| The Datasheet Archive - 100 Million Datasheets from 7500 Manufacturers. |
REFERENCE DESIGN PMC-970285 ISSUE SONET/SDH NODE OPTICAL INTERFACE NET
Top Searches for this datasheetPM5342 SPECTRA-155 REFERENCE DESIGN REFERENCE DESIGN PMC-970285 ISSUE SONET/SDH NODE OPTICAL INTERFACE NETWORK REFERENCE DESIGN (SNOW BOARD) PM5342 SPECTRA-155 SONET/SDH NODE OPTICAL INTERFACE NETWORKS REFERENCE DESIGN (SNOW BOARD) REFERENCE DESIGN ISSUE APRIL 1998 PROPRIETARY CONFIDENTIAL PMC-SIERRA, INC., ITS. CUSTOMERS INTERNAL PM5342 SPECTRA-155 REFERENCE DESIGN REFERENCE DESIGN PMC-970285 ISSUE SONET/SDH NODE OPTICAL INTERFACE NETWORK REFERENCE DESIGN (SNOW BOARD) This page intentionally left blank PROPRIETARY CONFIDENTIAL PMC-SIERRA, INC., ITS. CUSTOMERS INTERNAL PM5342 SPECTRA-155 REFERENCE DESIGN REFERENCE DESIGN PMC-970285 ISSUE SONET/SDH NODE OPTICAL INTERFACE NETWORK REFERENCE DESIGN (SNOW BOARD) TABLE CONTENTS FEATURES GENERAL SPECTRA-155 FEATURES. 1.2.1 SONET/SDH REGENERATOR MULTIPLEX SECTION 1.2.2 SONET/SDH PATH 1.2.3 SYSTEM INTERFACE SOFTWARE APPLICATIONS SYSTEM APPLICATION CIRCUIT EXAMPLES:. REFERENCES. DESIGN OVERVIEW FUNCTIONAL DESCRIPTION. LEVEL RS232 INTERFACE FPGA MICROCONTROLLER 5.4.1 MICROPROCESSOR TIMING. 5.4.2 MICRO INTERFACE SIGNALS FLASH SPECTRA-155 REFERENCE CLOCK. SYSTEM CLOCK PROPRIETARY CONFIDENTIAL PMC-SIERRA, INC., ITS. CUSTOMERS INTERNAL PM5342 SPECTRA-155 REFERENCE DESIGN REFERENCE DESIGN PMC-970285 ISSUE SONET/SDH NODE OPTICAL INTERFACE NETWORK REFERENCE DESIGN (SNOW BOARD) 5.10 5.11 5.12 5.13 OPTICAL INTERFACE SPECTRA-155 SYSTEM INTERFACE. RING EXPANSION INTERFACE DISPLAYS BOARD CONNECTOR DESCRIPTIONS EXTERNAL INTERFACE SIGNAL DESCRIPTION. RS232 INTERFACE OPTICAL INTERFACE SYSTEM INTERFACE CONNECTOR SIGNALS RING EXPANSION INTERFACE CONNECTOR IMPLEMENTATION DESCRIPTION. 7.10 7.11 SHEET SPECTRA_ROOT DRAWING. SHEET SPECTRA-155 SHEET OPTICS SHEET MICROCONTROLLER SHEET RS232. SHEET MEMORY. SHEET CIRCUITRY FPGA SHEET SYSTEM INTERFACE MICRO BUS. SHEET SYSTEM INTERFACE DROP SHEET SYSTEM INTERFACE SHEET SYSTEM INTERFACE CONNECTOR PROPRIETARY CONFIDENTIAL PMC-SIERRA, INC., ITS. CUSTOMERS INTERNAL PM5342 SPECTRA-155 REFERENCE DESIGN REFERENCE DESIGN PMC-970285 ISSUE SONET/SDH NODE OPTICAL INTERFACE NETWORK REFERENCE DESIGN (SNOW BOARD) 7.12 7.13 7.14 7.15 SHEET RING EXPANSION INTERFACE BUS. SHEET RING EXPANSION INTERFACE CONNECTOR. SHEET MICRO_RW (FPGA SCHEMATIC) SHEET I/F_CONTROL (FPGA SCHEMATIC) LAYOUT DESCRIPTION COMPONENT PLACEMENT LAYER STACKING IMPEDANCE MATCHING POWER GROUND. DECOUPLING. SOFTWARE REGISTER CONFIGURATION. MEMORY MAPPING SOFTWARE REGISTER CONFIGURATION OPERATIONS 10.1 10.2 OPERATION ENVIRONMENT OPERATING MODES. 10.2.1 INTERFACE SIGNALS BYTE SERIAL TELECOM MODE CONFIGURATION 10.2.2 INTERFACE SIGNALS NIBBLE SERIAL TELECOM MODE CONFIGURATION 10.2.3 INTERFACE SIGNALS SERIAL TELECOM MODE CONFIGURATION 10.2.4 INTERFACE SIGNALS BYTE SERIAL DATACOM MODE CONFIGURATION PROPRIETARY CONFIDENTIAL PMC-SIERRA, INC., ITS. CUSTOMERS INTERNAL PM5342 SPECTRA-155 REFERENCE DESIGN REFERENCE DESIGN PMC-970285 ISSUE SONET/SDH NODE OPTICAL INTERFACE NETWORK REFERENCE DESIGN (SNOW BOARD) 10.2.5 INTERFACE SIGNALS NIBBLE SERIAL DATACOM MODE CONFIGURATION 10.2.6 INTERFACE SIGNALS SERIAL DATACOM MODE CONFIGURATION 10.2.7 INTERFACE SIGNALS CONFIGURATION 10.3 SIGNAL SELECTION OPTIONS. 10.3.1 BOPERATION 10.3.2 NOPERATION 10.3.3 SOPERATION 10.3.4 OPERATION 10.3.5 OPERATION. 10.3.6 OPERATION 10.3.7 OPERATION APPENDIX SCHEMATICS APPENDIX BILL MATERIAL APPENDIX LAYOUTS PROPRIETARY CONFIDENTIAL PMC-SIERRA, INC., ITS. CUSTOMERS INTERNAL PM5342 SPECTRA-155 REFERENCE DESIGN REFERENCE DESIGN PMC-970285 ISSUE SONET/SDH NODE OPTICAL INTERFACE NETWORK REFERENCE DESIGN (SNOW BOARD) LIST FIGURES FIGURE APPLICATION. FIGURE STS-3/STS3C APPLICATION. FIGURE PACKET OVER SONET/SDH APPLICATION FIGURE BLOCK DIAGRAM FIGURE R/WB RE-TIMING CIRCUITRY. FIGURE NORTH/SOUTH CONFIGURATION FIGURE WEST-EAST CONFIGURATION FIGURE CHIP SELECT SIGNALS MEMORY MAPPING. FIGURE SNOW BOARD OPERATION FIGURE INTERFACE SIGNALS BCONFIGURATION. FIGURE INTERFACE SIGNALS NCONFIGURATION. FIGURE INTERFACE SIGNALS SCONFIGURATION. FIGURE INTERFACE SIGNALS CONFIGURATION FIGURE INTERFACE SIGNALS CONFIGURATION FIGURE INTERFACE SIGNALS CONFIGURATION FIGURE INTERFACE SIGNALS MODE CONFIGURATION. FIGURE SIGNAL SELECTION BYTE SERIAL TELECOM MODE FIGURE SIGNAL SELECTION NIBBLE SERIAL TELECOM MODE FIGURE SIGNAL SELECTION SERIAL TELECOM MODE. FIGURE SIGNAL SELECTION BYTE SERIAL DATACOM MODE FIGURE SIGNAL SELECTION NIBBLE SERIAL DATACOM MODE PROPRIETARY CONFIDENTIAL PMC-SIERRA, INC., ITS. CUSTOMERS INTERNAL PM5342 SPECTRA-155 REFERENCE DESIGN REFERENCE DESIGN PMC-970285 ISSUE SONET/SDH NODE OPTICAL INTERFACE NETWORK REFERENCE DESIGN (SNOW BOARD) FIGURE SIGNAL SELECTION SERIAL DATACOM MODE FIGURE SIGNAL SELECTION MODE PROPRIETARY CONFIDENTIAL PMC-SIERRA, INC., ITS. CUSTOMERS INTERNAL PM5342 SPECTRA-155 REFERENCE DESIGN REFERENCE DESIGN PMC-970285 ISSUE SONET/SDH NODE OPTICAL INTERFACE NETWORK REFERENCE DESIGN (SNOW BOARD) LIST TABLES TABLE TABLE TABLE TABLE TABLE TABLE TABLE TABLE TABLE MC68HC16 MICROPROCESSOR CHIP SELECT SIGNALS MICRO INTERFACE SIGNALS. RS232 INTERFACE SIGNALS DESCRIPTIONS (DCE CONFIGURATION) OPTICAL INTERFACE SIGNALS DESCRIPTIONS SYSTEM INTERFACE CONNECTOR SIGNAL DESCRIPTION. RING EXPANSION INTERFACE CONNECTOR SIGNALS DESCRIPTION CHIP SELECT SIGNAL MEMORY SPACE MAPPING. VT100 BASIC COMMANDS. SYSTEM INTERFACE RING EXPANSION INTERFACE CONFIGURATION REGISTER (00H) TABLE SYSTEM INTERFACE OPERATION MODES. TABLE SYSTEM INTERFACE SIGNALS BAPPLICATION TABLE INTERFACE SIGNALS NAPPLICATION TABLE INTERFACE SIGNALS SAPPLICATION TABLE INTERFACE SIGNALS APPLICATION. TABLE INTERFACE SIGNALS APPLICATION. TABLE INTERFACE SIGNALS APPLICATION. TABLE INTERFACE SIGNALS APPLICATION. TABLE SNOW BOARD BILL MATERIAL PROPRIETARY CONFIDENTIAL PMC-SIERRA, INC., ITS. CUSTOMERS INTERNAL PM5342 SPECTRA-155 REFERENCE DESIGN REFERENCE DESIGN PMC-970285 ISSUE SONET/SDH NODE OPTICAL INTERFACE NETWORK REFERENCE DESIGN (SNOW BOARD) LIST REGISTERS REGISTER 00H: SYSTEM RING EXPANSION INTERFACE CONFIGURATION REGISTER REGISTER 01H-03H: RESERVED. PROPRIETARY CONFIDENTIAL PMC-SIERRA, INC., ITS. CUSTOMERS INTERNAL viii PM5342 SPECTRA-155 REFERENCE DESIGN REFERENCE DESIGN PMC-970285 ISSUE SONET/SDH NODE OPTICAL INTERFACE NETWORK REFERENCE DESIGN (SNOW BOARD) FEATURES General Utilizes SPECTRA-155 implement stand alone SONET/SDH aggregate interface STS-1 (STM-0/AU3), STS-3 (STM-1/AU3) STS-3c (STM-1/AU4). Aggregate Interface with line side optical system interface. Provides Ring Expansion Interface connection another SNOW board perform ring based node function. Provides System Interface connect application specific daughter board Uses monolithic SONET/SDH PAYLOAD EXTRACTOR/ALIGNER chip (PM5342) STS-1 (STM-0/AU3), STS-3 (STM-1/AU3) STS-3c (STM-1/AU4) interface applications, operating serial interface speeds 155.52 Mbit/s. Uses SPECTRA-155 provide termination SONET Section Line, Regenerator Section Multiplexer Section transport overhead, path overhead three STS-1 (STM-0/AU3) paths single STS-3c (STM-1/AU4) path. Uses SPECTRA-155 three STS-1 (STM-0/AU3) payloads single STS-3c (STM-1/AU4) payload system timing reference, accommodating plesiochronous timing offsets between references through pointer processing. Uses SPECTRA-155 three streams into STS-3 (STM-1/AU3) frame. Uses SPECTRA-155 three HDLC data streams into STS-3 (STM-1/AU3) frame single HDLC data stream into STS-1 (STM-0/AU3) STS-3c (STM-1/AU4) payload. Uses SPECTRA-155 support line loopback from line side receive stream transmit stream system side drop stream stream. Uses SPECTRA-155 support diagnostic loopback from system side stream drop stream. PROPRIETARY CONFIDENTIAL PMC-SIERRA, INC., ITS. CUSTOMERS INTERNAL PM5342 SPECTRA-155 REFERENCE DESIGN REFERENCE DESIGN PMC-970285 ISSUE SONET/SDH NODE OPTICAL INTERFACE NETWORK REFERENCE DESIGN (SNOW BOARD) SPECTRA-155 Features 1.2.1 SONET/SDH Regenerator Multiplex Section Frames STS-1 (STM-0/AU3) STS-3/3c (STM-1/AU3/AU4) receive stream inserts framing bytes (A1, section trace (J0) into transmit stream; descrambles receive stream scrambles transmit stream. Calculates compares interleaved parity (BIP) error detection codes (B1, receive stream calculates inserts transmit stream; accumulates near errors (B1, errors (M1) inserts line remote error indications (REI) into (M1) growth byte based received errors. Detects signal degrade (SD) signal fail (SF) threshold crossing alarms based received errors. Extracts serializes order wire channels (E1, E2), data communication channels (D1-D3, D4-D12) section user channel (F1) from receive stream, inserts corresponding signals into transmit stream. Extracts serializes automatic protection switch (APS) channel (K1, bytes, filtering extracting them into internal registers receive stream. Inserts channel into transmit stream. Extracts filters synchronization status message (Z1/S1) byte into internal register receive stream. Inserts synchronization status message (Z1/S1) byte into transmit stream. Extracts byte byte section trace (J0) message using internal register bank receive stream. Detects unstable section trace message mismatch with expected message, inserts Path drop upon either these conditions. Inserts byte byte section trace (J0) message using internal register bank transmit stream. Detects loss signal (LOS), frame (OOF), loss frame (LOF), line remote defect indication (RDI), line alarm indication signal (AIS), protection switching byte failure alarms receive stream. Optionally inserts line line transmit stream. PROPRIETARY CONFIDENTIAL PMC-SIERRA, INC., ITS. CUSTOMERS INTERNAL PM5342 SPECTRA-155 REFERENCE DESIGN REFERENCE DESIGN PMC-970285 ISSUE SONET/SDH NODE OPTICAL INTERFACE NETWORK REFERENCE DESIGN (SNOW BOARD) Provides transmit receive ring control port, allowing alarm maintenance signal control status passed between mate board ring-based drop multiplexer applications. 1.2.2 SONET/SDH Path Accepts multiplex three STS-1 (STM-0/AU3) streams single STS-3c (STM-1/AU4) stream, interprets (AU) pointer bytes (H1, H3), extracts synchronous payload envelope(s) processes path overhead receive stream. Constructs byte serial multiplex three STS-1 (STM-0/AU3) streams STS-3c (STM-1/AU4) stream transmit side. Detects loss pointer (LOP), loss tributary multiframe (LOM), path alarm indication signal (PAIS) path (auxiliary enhanced) remote defect indication (RDI) receive stream. Optionally inserts path alarm indication signal (PAIS), path remote defect indication (RDI) path remote anomaly indication (RAI) transmit stream. Extracts serializes entire path overhead from three STS-1 (STM-0/AU3) single STS-3c (STM-1/AU4) receive streams. Inserts path overhead bytes three STS-1 (STM-0/AU3) single STS-3c (STM-1/AU4) stream transmit stream. path overhead bytes sourced from internal registers from serial path overhead input streams. Path overhead insertion also disabled. Extracts received path signal label (C2) byte into internal register detects path signal label unstable signal label mismatch with expected signal label that downloaded microprocessor. Inserts path signal label (C2) byte from internal register transmit stream. Extracts byte byte path trace (J1) message using internal register bank receive stream. Detects unstable path trace message mismatch with expected message, inserts Path upon either these conditions. Inserts byte byte path trace (J1) message using internal register bank transmit stream. Detects received path BIP-8 counts received path BIP-8 errors performance monitoring purposes. BIP-8 errors selectable treated basis block basis. Optionally calculates inserts path BIP-8 error detection codes transmit stream. PROPRIETARY CONFIDENTIAL PMC-SIERRA, INC., ITS. CUSTOMERS INTERNAL PM5342 SPECTRA-155 REFERENCE DESIGN REFERENCE DESIGN PMC-970285 ISSUE SONET/SDH NODE OPTICAL INTERFACE NETWORK REFERENCE DESIGN (SNOW BOARD) Counts received path remote error indications (REIs) performance monitoring purposes. Optionally inserts path count into path status byte (G1) basis block BIP-8 errors detected receive path. Reporting BIP-8 errors block basis independent accumulation BIP-8 errors. Supports tandem connection origination applications sourcing tandem path maintenance byte (Z5) reporting received BIP-8 errors data link message correcting subsequent path BIP-8 bytes (B3) reflect change Supports tandem connection termination applications accumulating incoming error count (IEC) extracting tandem connection data link carried tandem path maintenance byte (Z5). Maintains existing pointer value during incoming signal failures tandem path terminating mode. Maintains existing tributary multiframe sequence byte until phase alignment been verified. Provides serial alarm port communication path path alarms transmit stream mate SPECTRA-155 returning direction. 1.2.3 System Interface Supports Telecombus interfaces indicating/accepting location identification byte (C1), optionally path trace byte(s) (J1), optionally first tributary overhead byte(s) (V1), synchronous payload envelope bytes byte serial stream. Supports serial nibble "Telecombus" interfaces indicating/accepting location identification byte (C1), path trace byte(s) (J1), optionally first tributary overhead byte(s) (V1), synchronous payload envelope bytes stream. Telecombus interfaces, accommodates phase frequency differences between receive/transmit streams DROP/Add Buses pointer adjustments. Supports serial, nibble byte data mode interfaces supplying appropriate clock. PROPRIETARY CONFIDENTIAL PMC-SIERRA, INC., ITS. CUSTOMERS INTERNAL PM5342 SPECTRA-155 REFERENCE DESIGN REFERENCE DESIGN PMC-970285 ISSUE SONET/SDH NODE OPTICAL INTERFACE NETWORK REFERENCE DESIGN (SNOW BOARD) data mode interfaces, optionally applies X^43+1 scrambler/descrambler stream. Supports serial clock data interface mapping into STS-1 (STM-0/AU3) STS-3 (STM-1/AU3) SPEs. interface, provides optional insertion framed both DROP directions. Microprocessor Provides board single chip 16-bit microprocessor with background debug mode (BDM) interface serial RS232 interface configuration, control, status monitoring. Provides micro interface system application daughter board configuration, control, status monitoring. Provides board FLASH running loading user programs. Software Provides executable firmware FLASH VT100 terminal access. PROPRIETARY CONFIDENTIAL PMC-SIERRA, INC., ITS. CUSTOMERS INTERNAL PM5342 SPECTRA-155 REFERENCE DESIGN REFERENCE DESIGN PMC-970285 ISSUE SONET/SDH NODE OPTICAL INTERFACE NETWORK REFERENCE DESIGN (SNOW BOARD) APPLICATIONS General applications SNOW board includes: SONET/SDH Drop Multiplexers SONET/SDH Terminal Multiplexers SONET/SDH Line Multiplexers SONET/SDH Subscriber Access Multiplexers SONET/SDH Cross Connects SONET/SDH Tandem Path Termination Equipment Switches Hubs Routers PROPRIETARY CONFIDENTIAL PMC-SIERRA, INC., ITS. CUSTOMERS INTERNAL PM5342 SPECTRA-155 REFERENCE DESIGN REFERENCE DESIGN PMC-970285 ISSUE SONET/SDH NODE OPTICAL INTERFACE NETWORK REFERENCE DESIGN (SNOW BOARD) System Application Circuit Examples: Figure shows example using D3MX (PM8313) application Figure Application TRANSMIT TRANSPORT PATH OVERHEAD ACCESS TRANSMIT SECTION, LINE, PATH ALARM INSERT SIGNALS Syst ppli Boar SMODE[2:0]="110 44.736 TICLK TXD+/DS3TICLK[3:1] DS3TDAT[3:1] TCLK TDAT PM7345 SUNI-PDH PM8313 D3MX DS3ROCLK[3:1] DS3RDAT[3:1] RCLK RDAT PM5342 SPECTRA-155 RXD+/- DS3RICLK[3:1] RECEIVE TRANSPORT PATH OVERHEAD ACCESS RECEIVE SECTION, LINE, PATH ALARM DETECT SIGNALS MICRO CONFIG, STATUS CONTROL 44.928 gaped 44.736 receive clocks External board implemented this Reference Design PROPRIETARY CONFIDENTIAL PMC-SIERRA, INC., ITS. CUSTOMERS INTERNAL PM5342 SPECTRA-155 REFERENCE DESIGN REFERENCE DESIGN PMC-970285 ISSUE SONET/SDH NODE OPTICAL INTERFACE NETWORK REFERENCE DESIGN (SNOW BOARD) Figure shows example using TUPP/TUPP+ (PM5361/PM5362) SONET/SDH tributary units (TUs) processing. Figure STS-3/STS3c Application TRANSMIT TRANSPORT PATH OVERHEAD ACCESS TRANSMIT SECTION, LINE, PATH ALARM INSERT SIGNALS Syst Boar SMODE[2:0]="000 19.44 38.88Mhz clock SCLK IC1J1 ID[7:0] TXD+/- PM5342 SPECTRA-155 DC1J1V1 DD[7:0] AD[7:0]/ADP AC1J1V1 RXD+/APL PM5362 TUPP-Plus PM5361 TUPP RECEIVE TRANSPORT PATH OVERHEAD ACCESS RECEIVE SECTION, LINE, PATH ALARM DETECT SIGNALS MICRO CONFIG, STATUS CONTROL External board implemented this Reference Design PROPRIETARY CONFIDENTIAL PMC-SIERRA, INC., ITS. CUSTOMERS INTERNAL PM5342 SPECTRA-155 REFERENCE DESIGN REFERENCE DESIGN PMC-970285 ISSUE SONET/SDH NODE OPTICAL INTERFACE NETWORK REFERENCE DESIGN (SNOW BOARD) Figure shows example using type circuit data communications. Figure Packet Over SONET/SDH Application MODE=BDM DMROCLK Application Board HDLC Processor DMRICLK DMRDAT[7:0] Receive HDLC Controller FIFO TXD+/- DMRDAT[7:0] PM5342 SPECTRA-155 RXD+/- DMTICLK DMTDAT[7:0] DMTOCLK DMTOCLK DMTDAT[7:0] DMTICLK Transmit HDLC Controller FIFO Provides self-sync payload scrambling descrambling using External board implemented this Reference Design PROPRIETARY CONFIDENTIAL PMC-SIERRA, INC., ITS. CUSTOMERS INTERNAL PM5342 SPECTRA-155 REFERENCE DESIGN REFERENCE DESIGN PMC-970285 ISSUE SONET/SDH NODE OPTICAL INTERFACE NETWORK REFERENCE DESIGN (SNOW BOARD) REFERENCES PM5342 SPECTRA-155 SONET/SDH Payload Extractor/Aligner Data Sheet, Issue December 1997 PM5362 TUPP-PLUS SONET/SDH Tributary Unit Payload Processor Performance Monitor Data Sheet Issue June, 1996 PM8313 D3MX Multiplexer Data Sheet, July, 1994 PM7345 S/UNI-PDH Saturn User Network Interface APlesiochronous Digital Hierarchy Data Sheet Issue April, 1995 American National Standard Telecommunications Digital Hierarchy Optical Interface Rates Formats Specification, ANSI T1.105-1991 American National Standard Telecommunications Layer In-Service Digital Transmission Performance Monitoring, T1X1.3/93-005R1, April 1993. Committee Contribution, "Draft T1.105 SONET Rates Formats", T1X1.5/94-033R2-1994. Bell Communications Research SONET Transport Systems: Common Generic Criteria, GR-253-CORE Issue December 1995. ETSI DE/TM1015, "Generic Functional Requirement Transmission Equipment", Version 0.4, February 1993. ITU, Recommendation G.707 "Network Node Interface Synchronous Digital Hierarchy", 1996. ITU-T Recommendation G.709 "Synchronous Multiplexing Structure," Helsinki, March 1993. Study Group XVII Contribution D2166 "Tandem Connection Tandem Connection Bundle Maintenance Working Solution", June 1992. PROPRIETARY CONFIDENTIAL PMC-SIERRA, INC., ITS. CUSTOMERS INTERNAL PM5342 SPECTRA-155 REFERENCE DESIGN REFERENCE DESIGN PMC-970285 ISSUE SONET/SDH NODE OPTICAL INTERFACE NETWORK REFERENCE DESIGN (SNOW BOARD) DESIGN OVERVIEW SNOW (SONET/SDH Node Optical Interface Networks Reference Design) Board proven reference design SPECTRA-155 chip. illustrates implement front-end optics using SDX1155 single mode transceiver applications. SNOW board been especially designed mate with another SNOW board, system side application daughter board form complete ATM, HDLC SONET/SDH Cross Connect System. This document describes functionality this reference design provides complete layout information that board easily duplicated used part other reference designs. board utilizes SPECTRA-155 chip with commercially available optical transceiver make compliant SONET/SDH node element. SONET/SDH transport overhead (the section line), path overhead pointer interpretation, optional data mapping/demapping handled SPECTRA-155 chip. utilizing flexible interface SPECTRA-155, system side board able connect many different types potential future application circuits. Some these examples show Figure 1-3. receive direction, optical transceiver receives OC-3 OC-1) optical signal performs optical-to-electrical conversion differential serial STS-3/STM-1(AU3) STS-3c/STM-1(AU4) STS-1 stream. This serial stream directly sent input SPECTRA-155. chip extracts clock data then performs serial parallel conversion terminates section line path transport overhead. Also, SPECTRA-155 supports decoupling line side synchronous timing system side synchronous timing. differing clock rates between line-side system-side being adapted pointer justifications. transmit direction, reverse process receive direction implemented. SPECTRA-155 receives signal from either System Interface Ring Expansion Interface (configurable). Then inserts path overhead, processes line section overhead, serializes data STS-3 STS-1 rate transfers data optics. OC3/OC-1 signal then transmitted line. Motorola MC68HC16Z1 type microprocessor, with some decoding logic registers allows configuration, control, status monitoring communication with other functional blocks board. microprocessor's chip selects PROPRIETARY CONFIDENTIAL PMC-SIERRA, INC., ITS. CUSTOMERS INTERNAL PM5342 SPECTRA-155 REFERENCE DESIGN REFERENCE DESIGN PMC-970285 ISSUE SONET/SDH NODE OPTICAL INTERFACE NETWORK REFERENCE DESIGN (SNOW BOARD) extended System Interface. This feature simplifies application daughter board design. microcontroller connected VT-100 type dumb terminal through parallel interface when background debug mode (DBM) used. Alternatively RS232 serial interface connected. FLASH SNOW board used running storing user programs. Xilinx XC4005 FPGA also provided glue logic purposes. SNOW board used design reference many different types SONET/SDH network elements including switches, terminal multiplexers, add-drop multiplexers other datacom applications using ATM, HDLC over SONET/SDH network. such applications, System Interface SNOW board interfaced standard Telecombus, three signal other Datacom sources. Figure shows block diagram this reference design. PROPRIETARY CONFIDENTIAL PMC-SIERRA, INC., ITS. CUSTOMERS INTERNAL PMC-970285 REFERENCE DESIGN BACKGROUND DEBUG RS232 INTERFACE PROPRIETARY CONFIDENTIAL PMC-SIERRA, INC., ITS. CUSTOMERS INTERNAL MICRO INTERFACE SIGNALS Figure MC68HC 16Z1 µPROCESSOR FLASH FPGA Block Diagram SYSTEM CLOCK 19.44 38.88 INTERFACE CONTROL SYSTEM INTERFACE SIGNALS ISSUE RESERVED INPUT OPICAL TRANSCEIVER MICRO_INTERFACE RCLK DROP FIBERS RXD+/DROP SIGNALS BUFFER REFERENCE CLOCK 19.44MHz RRCLK+/- PM5342 SPECTRA-155 TXD+/TRCLK+/ALARMS SCPO[0] SIGNALS RRCPCLK TRCPCLK MODE_SELECT SONET/SDH NODE OPTICAL INTERFACE NETWORK REFERENCE DESIGN (SNOW BOARD) PM5342 SPECTRA-155 REFERENCE DESIGN DISPLAY RING EXPANSION INTERFACE PM5342 SPECTRA-155 REFERENCE DESIGN REFERENCE DESIGN PMC-970285 ISSUE SONET/SDH NODE OPTICAL INTERFACE NETWORK REFERENCE DESIGN (SNOW BOARD) FUNCTIONAL DESCRIPTION Level SNOW board Reference Design consists main blocks. There four external interfaces: RS232, Optical Interface, System Interface, Ring Expansion Interface. board also equipped with microprocessor on-board memory. display implemented indicate board status. There Field Programmable Gate Array that provides control logic programming SPECTRA-155 into different operating modes. Moreover, buffers implemented provide data latching signal integrity protection signal traveling system side. Finally there SPECTRA-155 device, which heart this reference design. SPECTRA-155 also supports extensive line system configuration options, thus there multiplexers place SPECTRA-155 select these various options. crystal oscillators used provide reference clocks, line side another System Interface when operating byte nibble telecom modes. RS232 Interface RS232 Interface converts serial interface signal MC68HC16Z1 RS232 (V28) levels. RS232 interface 3-wire RS232 data terminal equipment (DTE) interface which utilizes female type connector. FPGA FPGA performs various tasks necessary SNOW board operate. programmed several different functions. This includes register System Interface Ring Expansion Interface configuration, glue logic System Interface Ring Expansion Interface, configuration decoding circuit microprocessor R/WB re-timing circuit. Microcontroller Microcontroller block consists MC68HC16Z1 microprocessor some glue logic implemented FPGA. Motorola MC68HC16 microprocessor, running 16.7 MHz. FLASH EPROM associated with microprocessor operation. microprocessor configures, controls monitors SPECTRA-155, System Interface Ring Expansion Interface PROPRIETARY CONFIDENTIAL PMC-SIERRA, INC., ITS. CUSTOMERS INTERNAL PM5342 SPECTRA-155 REFERENCE DESIGN REFERENCE DESIGN PMC-970285 ISSUE SONET/SDH NODE OPTICAL INTERFACE NETWORK REFERENCE DESIGN (SNOW BOARD) configuration monitoring registers FPGA. FPGA glue logic delays R/WB signal microprocessor provides proper chip select signals selecting SPECTRA-155 other board registers. detailed description these signals configured Section 5.4.1. address data buses also routed System Interface connector that same microprocessor used control other devices system daughter boards. Section 5.4.2 description micro interface signals. Chip selects also sent system connector facilitate system daughter board chip selection. microprocessor monitors performance SPECTRA-155 report errors status through D-SUB RS-232 serial port connector. This serial port connected serial (COM) port personal computer, linking on-board microprocessor. simple commands designed user review easily modify configuration PMC-Sierra chips other on-board registers. MC68HC16 runs FORTH kernel main program loop reside FLASH time-critical functions (i.e., user input). chip selects output from MC68HC16 assigned show Table below. total available address space microprocessor divided into blocks CSX_B signals. These CSX_B signals decode block addresses. When CSX_B decoded block FPGA, when CSX_B decoded block SPECTRA-155 when CSX_B "CI" (I=1,2,3) decoded block System Interface Connector. Also refer Section "Software Register Configuration" more details. Table shows microprocessor chip select signals assigned each address blocks. PROPRIETARY CONFIDENTIAL PMC-SIERRA, INC., ITS. CUSTOMERS INTERNAL PM5342 SPECTRA-155 REFERENCE DESIGN REFERENCE DESIGN PMC-970285 ISSUE SONET/SDH NODE OPTICAL INTERFACE NETWORK REFERENCE DESIGN (SNOW BOARD) Table MC68HC16 Microprocessor Chip Select Signals Selection Reserved FPGA Reserved FPGA interface configuration register FPGA SPECTRA-155 configuration registers Reserved FPGA FLASH Reserved System daughter board System daughter board System daughter board FLASH Board Level Chip Select Signal Name CSB_RAM CSB[1] CSB[2] CSB[3] CSB[4] CSB[5] CSB_FLASH CSB1 CSB2 CSB3 CSBOOTB MC68HC16 Signal Name CS0_B CS1_B CS2_B CS3_B CS4_B CS5_B CS6_B CS7_B CS8_B CS9_B CS10_B CSBOOT_B PROPRIETARY CONFIDENTIAL PMC-SIERRA, INC., ITS. CUSTOMERS INTERNAL PM5342 SPECTRA-155 REFERENCE DESIGN REFERENCE DESIGN PMC-970285 ISSUE SONET/SDH NODE OPTICAL INTERFACE NETWORK REFERENCE DESIGN (SNOW BOARD) 5.4.1 Microprocessor Timing Some external circuitry required improve setup hold times SNOW board cases where loading address data buses becomes significant. improve address setup time, Address Strobe (ASB) signal from microprocessor delayed microprocessor clock cycle then distributed PMC-Sierra chips Address Latch Enable (ALE). This provides enough address settling time before PMC-Sierra chips latch address value internally. This alone improves setup time. address hold time also improved because address will still latched inside even after microprocessor removes ASBAR address. read cycle need allow external chips have enough time respond with valid data. Introducing extra wait state MC68HC16 this. write operation signal narrowed that rising edge occurs while address data still stable. Figure shows schematic R/WB re-timing signals. Figure CSB1 R/WB Re-Timing Circuitry evice 16.7 PROPRIETARY CONFIDENTIAL PMC-SIERRA, INC., ITS. CUSTOMERS INTERNAL PM5342 SPECTRA-155 REFERENCE DESIGN REFERENCE DESIGN PMC-970285 ISSUE SONET/SDH NODE OPTICAL INTERFACE NETWORK REFERENCE DESIGN (SNOW BOARD) 5.4.2 Micro Interface Signals signals generated re-timing circuitry ALE, RDB. These signals together with Address Data buses consist complete micro interface signal SNOW board. Table shows micro interface signals used each block SNOW board Table Micro Interface Signal Name A[16:0] Micro Interface Signals Description 17-bit [16:0] address used FLASH. 2-bit [1:0] address used registers FPGA. 10-bit [9:0] address used SPECTRA-155. 16-bit [15:0] address used system application daughter board. D[15:8] INTB R/WB RSTB 8-bit data used registers. active interrupt signal used SPECTRA-155 other IC's system application daughter board generate interrupt. Active high read operation/active write operation signal Flash. Active read operation signal SPECTRA-155 System Interface. Active Write operation signal SPECTRA-155 System Interface. active reset signal SPECTRA-155 System Interface. address latch enable signal used SPECTRA-155 System Interface. PROPRIETARY CONFIDENTIAL PMC-SIERRA, INC., ITS. CUSTOMERS INTERNAL PM5342 SPECTRA-155 REFERENCE DESIGN REFERENCE DESIGN PMC-970285 ISSUE SONET/SDH NODE OPTICAL INTERFACE NETWORK REFERENCE DESIGN (SNOW BOARD) FLASH FLASH used store configuration, interpreters user application programs. used program execution. Section "Memory Mapping" more details. SPECTRA-155 Reference Clock Reference Clock 19.44 TTL/CMOS oscillator required clock data recovery SPECTRA-155. receive SPECTRA-155 utilizes this clock generate 155.52 51.84 clock absence input data, improves lock time inside SPECTRA-155. optionally used transmit reference clock. System Clock System Clock 38.88/19.44 TTL/CMOS level clock used nibble/byte system clock drive SPECTRA-155 (drop side). This clock also accompanies data sent System Interface. Optical Interface Optical Interface consists SDX1155 intermediate range single mode optical transceiver (capable operating over link loss wavelength). This device interchangeable with multi-sourced transceiver, multimode transceiver short haul applications. designs requiring more than 10km distance, SDX1155 recommended such long distance application. those designs suitable transmit receive optics module must used layout must changed accompany footprints separate transmit receive optics pair. receive direction, SDX1155 converts OC-1 OC-3 optical signal two-level (NRZ) serial electrical data stream STS-1 STS-3 (STM-1) rate. transmit direction, SDX1155 takes serial STS-1 STS-3 signal modulates laser output OC-1 OC-3 optical data stream. optical transceiver uses dual SC/PC connector with single mode 9/125µm fiber. PROPRIETARY CONFIDENTIAL PMC-SIERRA, INC., ITS. CUSTOMERS INTERNAL PM5342 SPECTRA-155 REFERENCE DESIGN REFERENCE DESIGN PMC-970285 ISSUE SONET/SDH NODE OPTICAL INTERFACE NETWORK REFERENCE DESIGN (SNOW BOARD) SPECTRA-155 PM5342 SONET/SDH PAYLOAD EXTRACTOR/ALIGNER (SPECTRA-155) terminates transport path overhead STS-1 (STM-0/AU3), STS-3/3c (STM-1/AU3/AU4) streams 51.84 Mbit/s 155.52 Mbit/s respectively. SPECTRA-155 implements functionality required SONET/SDH compliant line interface. SPECTRA-155 receives SONET/SDH frames serial interface, recovers clock data, terminates SONET/SDH section (regenerator section), line (multiplexer section), path overhead. performs framing (A1, descrambling, detects alarm conditions, monitors section line interleaved parity (BIP) (B1, B2), accumulating error counts each level performance monitoring purposes. errors also monitored detect signal fail signal degrade threshold-crossing alarms. Line remote error indications (M1) also accumulated. byte section trace (J0) message buffered compared against expected message. addition, SPECTRA-155 interprets received payload pointers (H1, H2), detects path alarm conditions, detects accumulates path BIPs (B3), monitors accumulates path Remote Error Indications (REIs), accumulates compares byte path trace (J1) message against expected result extracts synchronous payload envelope (virtual container). Note, transport path overhead bytes extracted serialized lower rate interfaces, allowing additional external processing overhead, desired. extracted (VC) either placed Telecombus Drop Bus, serialized into streams data streams. Telecombus applications, frequency offsets (e.g., plesiochronous network boundaries loss primary referenced timing source) phase differences (due normal network operation) between received data stream Drop accommodated pointer adjustments Drop Bus. application, SPECTRA-155 demaps three DS3s from STS-3 (STM-1/AU3) provides serialized streams with derived clocks. data applications, SPECTRA-155 either presents extracted (VC) byte/nibble serial stream with associated clock demaps STS-3 (STM-1/AU3) into three serial streams with associated clocks. SPECTRA-155 transmits SONET/SDH frames, serial interface, formats section (regenerator section), line (multiplexer section), path overhead appropriately. SPECTRA-155 provides transmit path origination SONET/SDH STS-1 (STM-0/AU3), STS-3 (STM-1/AU3) STS-3c PROPRIETARY CONFIDENTIAL PMC-SIERRA, INC., ITS. CUSTOMERS INTERNAL PM5342 SPECTRA-155 REFERENCE DESIGN REFERENCE DESIGN PMC-970285 ISSUE SONET/SDH NODE OPTICAL INTERFACE NETWORK REFERENCE DESIGN (SNOW BOARD) (STM-1/AU4) stream. performs framing pattern insertion (A1, A2), scrambling, alarm signal insertion, creates section line BIPs (B1, required allow performance monitoring end. Line remote error indications (M1) optionally inserted. byte section trace (J0) message inserted. addition, SPECTRA-155 generates transmit payload pointers (H1, H2), creates inserts path optionally inserts byte path trace (J1) message, optionally inserts path status byte (G1). Note, addition basic processing transmit SONET/SDH overhead, SPECTRA155 provides convenient access overhead bytes, which inserted serially lower rate interfaces, allowing additional external sourcing overhead, desired. SPECTRA-155 also supports insertion large variety errors into transmit stream, such framing pattern errors errors, which useful system diagnostics tester applications. inserted (VC) either sourced from Telecombus stream, from serial streams from data streams. Telecombus applications, SPECTRA-155 maps from Telecombus into transmit stream. Frequency offsets (e.g., plesiochronous network boundaries, loss primary reference timing source) phase differences (due normal network operation) between transmit data stream accommodated pointer adjustments transmit stream. application, SPECTRA-155 maps three DS3s into STS-3 (STM-1/AU3) SPE. data applications, SPECTRA-155 maps byte/nibble serial data stream into STS-1 (STM-0/AU3) STS-3c (STM-1/AU4) transmit stream maps three serial streams into STS-3 (STM-1/AU3) transmit stream. SPECTRA-155 supports tandem connection termination applications where tandem connection maintenance byte (Z5) carries incoming BIP-8 error count, tandem data link, path code. incoming error count accumulated receive data link serialized external processing. data link inserted from speed serial input. incoming signal failure alarm (ISF) used convey path place all-ones pointer (H1, H2). transmitter receiver independently configurable allow asymmetric interfaces. Ring control ports provide pass control status information between mate transceivers. SPECTRA-155 configured, controlled monitored generic 8-bit microprocessor interface board microprocessor. more detail description SPECTRA-155 device, please refer datasheet listed reference section. PROPRIETARY CONFIDENTIAL PMC-SIERRA, INC., ITS. CUSTOMERS INTERNAL PM5342 SPECTRA-155 REFERENCE DESIGN REFERENCE DESIGN PMC-970285 ISSUE SONET/SDH NODE OPTICAL INTERFACE NETWORK REFERENCE DESIGN (SNOW BOARD) 5.10 System Interface System Interface allows interfacing specific system application circuits. example, VT/TU cross connection circuit (implemented using PM5362 TUPP-Plus PM5371 devices) mapper application circuit (can implemented using PM8313 D3MX). SONET/SDH drop traffic interfaced System Interface application daughter board. Drop signals from SPECTRA-155, signal from System Interface Ring Expansion Interface presented this interface. micro controller signals also connected System Interface application daughter board configuring, controlling status monitoring. details board signals different operating mode, refer Section Operations. 5.11 Ring Expansion Interface Ring Expansion Interface contains necessary signals interconnection between SNOW boards. single SNOW board equivalent single ring network element. construct dual ring network element, second board required provide counter rotating protection path. SNOW board dedicated ring while other board dedicated counter rotating ring. Ring Expansion Interface required pass ring alarm signals between boards. Figure Shows North/South configuration Figure Shows West-East configuration. These configurations require SPECTRA-155 devices programmed different ways. that enables ring control port, other that disables ring control port. first configuration, where clockwise ring constructed utilizing board counter-clockwise ring constructed utilizing board SPECTRA-155 devices must configured such that communicate errors ring control port. second configuration, where clockwise ring constructed utilizing half SPECTRA-155 device board other half SPECTRA-155 device board ring control port must disabled. This will referred "North/South Cut" configuration. There need interconnect boards Ring Expansion Interface. PROPRIETARY CONFIDENTIAL PMC-SIERRA, INC., ITS. CUSTOMERS INTERNAL PM5342 SPECTRA-155 REFERENCE DESIGN REFERENCE DESIGN PMC-970285 ISSUE SONET/SDH NODE OPTICAL INTERFACE NETWORK REFERENCE DESIGN (SNOW BOARD) Figure North/South configuration Ring Alarm Port Connection Lines Drop SNOW Board Ring System Interfaces Drop SNOW Board Ring Lines Cross Connections Add/Drop Figure West-East Configuration Ring Alarm Port Connection required Lines Ring Drop System Interfaces Drop Ring Cross Connections SNOW Board Ring Lines SNOW Board Ring Add/Drop Ring Expansion Interface only useful when implementing architecture shown Figure this configuration, receive clockwise ring utilizes half PROPRIETARY CONFIDENTIAL PMC-SIERRA, INC., ITS. CUSTOMERS INTERNAL PM5342 SPECTRA-155 REFERENCE DESIGN REFERENCE DESIGN PMC-970285 ISSUE SONET/SDH NODE OPTICAL INTERFACE NETWORK REFERENCE DESIGN (SNOW BOARD) circuitry board whilst transmit counter-clockwise ring utilizes half circuitry board Consequently, circuitry adjoining SNOW board must linked through ring control port. Ring Expansion Interface contains control signals data required interconnect traffic from SNOW board adjoining SNOW board. This includes ring control signals that allow communications between remote halves each SPECTRA-155 device from board other. Ring Expansion Interface activated automatically when boards mated. 5.12 Displays Eight displays provided indicate status SPECTRA-155 devices. When LED's they indicate active alarm condition SALM, LOF, LOS, LAIS, LRDI alarm conditions RALM[3:1] outputs SPECTRA-155. When Ring Expansion Interface enabled, signals must disabled setting SCPO1 output SPECTRA-155. 5.13 Board Connector Descriptions SNOW board Edge Connectors. first connector (P1) System Interface connector that includes signals required connect SNOW board system application daughter board. system add/drop signals buffered TTL/CMOS compatible operate maximal rate 51.84 Mb/sec. microprocessor interface signals system application daughter board also present this connector. This microprocessor interface also operates TTL/CMOS signal level. System Interface this reference design designed multipurpose applications. These applications include byte serial telecom mode (BTM), nibble serial telecom mode (NTM), serial telecom mode (STM), byte serial datacom mode (BDM), nibble serial datacom mode (NDM), serial datacom mode (SDM) mode (DS3). second connector (P3) provides ring expansion connection mating SNOW boards together construct dual ring add/drop multiplex SONET/SDH node. Signal descriptions designations these connectors described Section PROPRIETARY CONFIDENTIAL PMC-SIERRA, INC., ITS. CUSTOMERS INTERNAL PM5342 SPECTRA-155 REFERENCE DESIGN REFERENCE DESIGN PMC-970285 ISSUE SONET/SDH NODE OPTICAL INTERFACE NETWORK REFERENCE DESIGN (SNOW BOARD) EXTERNAL INTERFACE SIGNAL DESCRIPTION SNOW board Reference Design four external interfaces, RS232 interface, Optical interface, System Interface Ring Expansion Interface. groups also provided visual indication exiting alarm conditions RS232 Interface configured type interface provides interface controlling monitoring board. Optical Interface provides line side OC-3/OC-1 rate interface. System Interface provides interface various system applications. Ring Expansion Interface provides ring connection interface dual ring application. RS232 Interface Table Signal RS232 Interface Signals Descriptions (DCE Configuration) Type Description Serial Transmit Data Serial Receive Data Signal Ground Optical Interface Table Signal Optical Interface Signals Descriptions Type Description PECL signal detect output signal (ALOS+/-) differential input SPECTRA-155 OC-1/OC-3 received bit-serial PECL output line signal RXDP PROPRIETARY CONFIDENTIAL PMC-SIERRA, INC., ITS. CUSTOMERS INTERNAL PM5342 SPECTRA-155 REFERENCE DESIGN REFERENCE DESIGN PMC-970285 ISSUE SONET/SDH NODE OPTICAL INTERFACE NETWORK REFERENCE DESIGN (SNOW BOARD) Signal RXDN TXDP TXDN RX-VCC TX-VCC VEET VEER Type Description OC-1/OC-3 received bit-serial PECL output line signal OC-1/OC-3 bit-serial PECL input line transmit signal OC-1/OC-3 bit-serial PECL input line transmit signal analogue receive power analogue transmit power transmit signal ground receive signal ground System Interface Connector Signals System Interface connector signals multi purpose signals. Table bellow describes specific case. Please refer Operations section Section more detailed description about when System Interface operates particular mode. Table Signal SYS_CONNECT ED_ENABLE System Interface Connector Signal Description Type Description System Interface Connector Enable connected pulled resistor. External pull down will enable System Interface buffers system signal (SYS_ADD) traveling Ring Expansion Interface Connector SYS_ADD traveling Ring Expansion Interface Connector SYS_AICLK1 SYS_ADAT0 /AICLK2 PROPRIETARY CONFIDENTIAL PMC-SIERRA, INC., ITS. CUSTOMERS INTERNAL PM5342 SPECTRA-155 REFERENCE DESIGN REFERENCE DESIGN PMC-970285 ISSUE SONET/SDH NODE OPTICAL INTERFACE NETWORK REFERENCE DESIGN (SNOW BOARD) Signal SYS_ADAT1/ AICLK3 SYS_ADAT2 /DS3RAIS1 SYS_ADAT3 /DS3RAIS2 SYS_ADAT4 /DS3RAIS3 SYS_ADAT5 Type Description SYS_ADD traveling Ring Expansion Interface Connector SYS_ADD traveling Ring Expansion Interface Connector SYS_ADD traveling Ring Expansion Interface Connector SYS_ADD traveling Ring Expansion Interface Connector SYS_ADD traveling Ring Expansion Interface Connector SYS_ADD traveling Ring Expansion Interface Connector SYS_ADD traveling Ring Expansion Interface Connector SYS_ADD traveling Ring Expansion Interface Connector SYS_ADD traveling Ring Expansion Interface Connector SYS_ADD traveling Ring Expansion Interface Connector SYS_ADD traveling Ring Expansion Interface Connector SYS_ADAT6 SYS_ADAT7 SYS_ADAT8 SYS_ADAT9 SYS_ADAT10 GDAT0 PROPRIETARY CONFIDENTIAL PMC-SIERRA, INC., ITS. CUSTOMERS INTERNAL PM5342 SPECTRA-155 REFERENCE DESIGN REFERENCE DESIGN PMC-970285 ISSUE SONET/SDH NODE OPTICAL INTERFACE NETWORK REFERENCE DESIGN (SNOW BOARD) Signal GDAT1 Type Description SYS_ADD traveling Ring Expansion Interface Connector SYS_ADD traveling Ring Expansion Interface Connector SYS_ADD traveling Ring Expansion Interface Connector SYS_ADD traveling Ring Expansion Interface Connector SYS_ADD traveling Ring Expansion Interface Connector SYS_ADD traveling Ring Expansion Interface Connector SYS_ADD traveling Ring Expansion Interface Connector SYS_ADD traveling Ring Expansion Interface Connector SYS_ADD traveling Ring Expansion Interface Connector Transmit line clock Transmit reference clock Drop side input clock Drop side input clock Drop side input clock GDAT2 /SDMTOCLK1 GDAT3 /SDMTOCLK2 GDAT4 /SDMTOCLK3 GDAT5 GDAT6 SYS_DS3TAIS1 SYS_DS3TAIS2 SYS_DS3TAIS3 TCLK TRCLKN2 DICLK1 DICLK2 DICLK3 PROPRIETARY CONFIDENTIAL PMC-SIERRA, INC., ITS. CUSTOMERS INTERNAL PM5342 SPECTRA-155 REFERENCE DESIGN REFERENCE DESIGN PMC-970285 ISSUE SONET/SDH NODE OPTICAL INTERFACE NETWORK REFERENCE DESIGN (SNOW BOARD) Signal Type Description Drop Frame Pulse from System Interface SPECTRA-155 Drop side output clock Drop side output clock Drop side output clock Drop side Data Drop side Data Drop side Data Drop side Data Drop side Data Drop side Data Drop side Data Drop side Data Drop side Data Drop side Data Drop side Data active system interrupt active read enable originated microprocessor active write enable originated microprocessor Latch Enable from microprocessor active RESET signal from microprocessor Chip select signal Chip select signal Chip select signal DOCLK1 DOCLK2 DOCLK3 DDAT0 DDAT1 DDAT2 DDAT3 DDAT4 DDAT5 DDAT6 DDAT7 DDAT8 DDAT9 DDAT10 SYS_INTB SYS_RDB SYS_WRB SYS_ALE SYS_RSTB CSB1 CSB2 CSB3 PROPRIETARY CONFIDENTIAL PMC-SIERRA, INC., ITS. CUSTOMERS INTERNAL PM5342 SPECTRA-155 REFERENCE DESIGN REFERENCE DESIGN PMC-970285 ISSUE SONET/SDH NODE OPTICAL INTERFACE NETWORK REFERENCE DESIGN (SNOW BOARD) Signal Type Description 19-bit address A[18:0] 8-bit bi-directional data D[7:0] sends receive data from buffer. PROPRIETARY CONFIDENTIAL PMC-SIERRA, INC., ITS. CUSTOMERS INTERNAL PM5342 SPECTRA-155 REFERENCE DESIGN REFERENCE DESIGN PMC-970285 ISSUE SONET/SDH NODE OPTICAL INTERFACE NETWORK REFERENCE DESIGN (SNOW BOARD) Signal Type Power Description Digital Signal Power. A100 Digital Signal Ground. connected PROPRIETARY CONFIDENTIAL PMC-SIERRA, INC., ITS. CUSTOMERS INTERNAL PM5342 SPECTRA-155 REFERENCE DESIGN REFERENCE DESIGN PMC-970285 ISSUE SONET/SDH NODE OPTICAL INTERFACE NETWORK REFERENCE DESIGN (SNOW BOARD) Ring Expansion Interface Connector expansion interface allows SNOW boards connected together ring based application. This application shown Figure Section 5.11. Table Signal RRCPFP Ring Expansion Interface Connector Signals Description Type Description receive ring control port frame position (RRCPFP) signal identifies positions receive ring control port data mated board through Ring Expansion Interface when port enable. receive ring control port clock mated board through Ring Expansion Interface when port enable. receive ring control port data mated board through Ring Expansion Interface when port enable. receive path overhead frame position signal used locate individual path overhead bits path overhead data stream mated board through Ring Expansion Interface when port enable. RRCPCLK RRCPDAT RPOHFP PROPRIETARY CONFIDENTIAL PMC-SIERRA, INC., ITS. CUSTOMERS INTERNAL PM5342 SPECTRA-155 REFERENCE DESIGN REFERENCE DESIGN PMC-970285 ISSUE SONET/SDH NODE OPTICAL INTERFACE NETWORK REFERENCE DESIGN (SNOW BOARD) Signal RPOHCLK Type Description receive path overhead clock provide timing process B3E[3:1] signals, insert tandem path incoming error count data link, sample extracted path overhead corresponding STS-1 data stream mated board through Ring Expansion Interface when port enable. receive alarm port data signal contains path error count path remote alarm indication status receive stream. Moreover, contains transmit bytes mated board through Ring Expansion Interface when port enable. clock input from mated board through Ring Expansion Interface. data clock input from mated board through Ring Expansion Interface. data clock input from mated board through Ring Expansion Interface. data receive control input from mated board through Ring Expansion Interface. data receive control input from mated board through Ring Expansion Interface. EXP_AICLK1 EXP_ADAT0 /AICLK2 EXP_ADAT1 /AICLK3 EXP_ADAT2 /DS3RAIS1 EXP_ADAT3 /DS3RAIS2 PROPRIETARY CONFIDENTIAL PMC-SIERRA, INC., ITS. CUSTOMERS INTERNAL PM5342 SPECTRA-155 REFERENCE DESIGN REFERENCE DESIGN PMC-970285 ISSUE SONET/SDH NODE OPTICAL INTERFACE NETWORK REFERENCE DESIGN (SNOW BOARD) Signal EXP_ADAT4 /DS3RAIS3 Type Description data receive control input from mated board through Ring Expansion Interface. data input from mated board through Ring Expansion Interface. data input from mated board through Ring Expansion Interface. data input from mated board through Ring Expansion Interface. data input from mated board through Ring Expansion Interface. data input from mated board through Ring Expansion Interface. data input from mated board through Ring Expansion Interface. Generated data input from mated board through Ring Expansion Interface. Generated data input from mated board through Ring Expansion Interface. Generated data input transmit output clock from/to mated board through Ring Expansion Interface. EXP_ADAT5 EXP_ADAT6 EXP_ADAT7 EXP_ADAT8 EXP_ADAT9 EXP_ADAT10 EXP_GDAT0 EXP_GDAT1 EXP_GDAT2 /SDMTOCLK1 PROPRIETARY CONFIDENTIAL PMC-SIERRA, INC., ITS. CUSTOMERS INTERNAL PM5342 SPECTRA-155 REFERENCE DESIGN REFERENCE DESIGN PMC-970285 ISSUE SONET/SDH NODE OPTICAL INTERFACE NETWORK REFERENCE DESIGN (SNOW BOARD) Signal EXP_GDAT3 /SDMTOCLK2 Type Description Generated data input transmit output clock from/to mated board through Ring Expansion Interface. Generated data input transmit output clock from/to mated board through Ring Expansion Interface. Generated data input from mated board through Ring Expansion Interface. Generated data input from mated board through Ring Expansion Interface. transmit control input from mated board through Ring Expansion Interface. transmit control input from mated board through Ring Expansion Interface. transmit control input from mated board through Ring Expansion Interface. Transmit ring control port frame position signal identifier from mated board through Ring Expansion Interface when port enable. transmit ring control clock from mated board through Ring Expansion Interface when port enable. EXP_GDAT4 /SDMTOCLK3 EXP_GDAT5 EXP_GDAT6 EXP_DS3TAIS1 EXP_DS3TAIS2 EXP_DS3TAIS3 EXP_TRCPFP EXP_TRCPCLK PROPRIETARY CONFIDENTIAL PMC-SIERRA, INC., ITS. CUSTOMERS INTERNAL PM5342 SPECTRA-155 REFERENCE DESIGN REFERENCE DESIGN PMC-970285 ISSUE SONET/SDH NODE OPTICAL INTERFACE NETWORK REFERENCE DESIGN (SNOW BOARD) Signal EXP_TRCPDAT Type Description transmit ring control data from mated board through Ring Expansion Interface when port enable. transmit path overhead frame position signal marks first transmit alarm message each SONET/SDH frame from mated board through Ring Expansion Interface when port enable. transmit alarm port clock (TACK) provides timing transmit alarm port. TACK nominally clock. Inputs TAFP sampled rising edge from mated board through Ring Expansion Interface when port enable. Transmit alarm port data signal contains path error count path remote alarm indication status receive stream from mated board through Ring Expansion Interface when port enable. Enable signal connected pull resistor. When SNOW boards mated together, will enable another. System Signal from mated board through Ring Expansion Interface when port enable. EXP_TAFP EXP_TACK EXP_TAD EXP_CONNECT ED_ENABLE A100 SYS_ADD[21] PROPRIETARY CONFIDENTIAL PMC-SIERRA, INC., ITS. CUSTOMERS INTERNAL PM5342 SPECTRA-155 REFERENCE DESIGN REFERENCE DESIGN PMC-970285 ISSUE SONET/SDH NODE OPTICAL INTERFACE NETWORK REFERENCE DESIGN (SNOW BOARD) Signal SYS_ADD[20] Type Description System Signal from mated board through Ring Expansion Interface when port enable. System Signal from mated board through Ring Expansion Interface when port enabled. System Signal from mated board through Ring Expansion Interface when port enabled. System Signal from mated board through Ring Expansion Interface when port enabled. System Signal from mated board through Ring Expansion Interface when port enabled. System Signal from mated board through Ring Expansion Interface when port enabled. Bi-directional system Signal to/from mated board through Ring Expansion Interface when port enable System Signal from mated board through Ring Expansion Interface when port enabled. System Signal from mated board through Ring Expansion Interface when port enabled. SYS_ADD[19] SYS_ADD[18] SYS_ADD[17] SYS_ADD[16] SYS_ADD[15] SYS_ADD[14] SYS_ADD[13] SYS_ADD[12] PROPRIETARY CONFIDENTIAL PMC-SIERRA, INC., ITS. CUSTOMERS INTERNAL PM5342 SPECTRA-155 REFERENCE DESIGN REFERENCE DESIGN PMC-970285 ISSUE SONET/SDH NODE OPTICAL INTERFACE NETWORK REFERENCE DESIGN (SNOW BOARD) Signal SYS_ADD[11] Type Description System Signal from mated board through Ring Expansion Interface when port enabled. System Signal from mated board through Ring Expansion Interface when port enabled. System Signal from mated board through Ring Expansion Interface when port enabled. System Signal from mated board through Ring Expansion Interface when port enabled. System Signal from mated board through Ring Expansion Interface when port enabled. System Signal from mated board through Ring Expansion Interface when port enabled. System Signal from mated board through Ring Expansion Interface when port enabled. System Signal from mated board through Ring Expansion Interface when port enabled. System Signal from mated board through Ring Expansion Interface when port enabled. SYS_ADD[10] SYS_ADD[9] SYS_ADD[8] SYS_ADD[7] SYS_ADD[6] SYS_ADD[5] SYS_ADD[4] SYS_ADD[3] PROPRIETARY CONFIDENTIAL PMC-SIERRA, INC., ITS. CUSTOMERS INTERNAL PM5342 SPECTRA-155 REFERENCE DESIGN REFERENCE DESIGN PMC-970285 ISSUE SONET/SDH NODE OPTICAL INTERFACE NETWORK REFERENCE DESIGN (SNOW BOARD) Signal SYS_ADD[2] Type Description System Signal from mated board through Ring Expansion Interface when port enabled. System Signal from mated board through Ring Expansion Interface when port enabled. System Signal from mated board through Ring Expansion Interface when port enabled. SYS_ADD[1] SYS_ADD[0] PROPRIETARY CONFIDENTIAL PMC-SIERRA, INC., ITS. CUSTOMERS INTERNAL PM5342 SPECTRA-155 REFERENCE DESIGN REFERENCE DESIGN PMC-970285 ISSUE SONET/SDH NODE OPTICAL INTERFACE NETWORK REFERENCE DESIGN (SNOW BOARD) Signal Type Description Signal Ground PROPRIETARY CONFIDENTIAL PMC-SIERRA, INC., ITS. CUSTOMERS INTERNAL PM5342 SPECTRA-155 REFERENCE DESIGN REFERENCE DESIGN PMC-970285 ISSUE SONET/SDH NODE OPTICAL INTERFACE NETWORK REFERENCE DESIGN (SNOW BOARD) Signal Type Description Signal Ground connected PROPRIETARY CONFIDENTIAL PMC-SIERRA, INC., ITS. CUSTOMERS INTERNAL PM5342 SPECTRA-155 REFERENCE DESIGN REFERENCE DESIGN PMC-970285 ISSUE SONET/SDH NODE OPTICAL INTERFACE NETWORK REFERENCE DESIGN (SNOW BOARD) IMPLEMENTATION DESCRIPTION SNOW board schematic captured using Cadence Software Concept Schematic Capture tool. These schematics shown Appendix "Schematics". FPGA schematics were captured using Actives Foundation Schematic capture tool. Routing FPGA done using Xilinx's Program Placement Routing. FPGA schematics shown Appendix "Schematics". SNOW board schematics consist total sheets. following sections describe details each sheet. Sheet Spectra_Root Drawing This sheet provides overview design. shows general layout main blocks interfacing signals between them. Brief descriptions each main block Section "Functional Description". Please notice that some input output signals FPGA actually used. These reserved future use. Sheet SPECTRA-155 SPECTRA-155 (32) configured operate different modes. These modes configured using SMODE[2:0] bits microprocessor interface. Separate decoupling circuits used filter various analog power pins. digital power, 0.01µF decoupling capacitor placed close each reduce noise power supply. multiplexer implemented select source line reference clock inputs (RRCLK- TRCLK-) SPECTRA-155. These clocks come from either local 19.44 reference clock (Y2) reserved input clock. PECL Terminations termination used properly terminate receive differential data inputs (RXD+/-). RRCLK+/- TRCLK+/-, which driven common oscillator terminated single-ended output termination described application notes Suggestions SPECTRA-155 PECL Terminations. PROPRIETARY CONFIDENTIAL PMC-SIERRA, INC., ITS. CUSTOMERS INTERNAL PM5342 SPECTRA-155 REFERENCE DESIGN REFERENCE DESIGN PMC-970285 ISSUE SONET/SDH NODE OPTICAL INTERFACE NETWORK REFERENCE DESIGN (SNOW BOARD) Several pins SPECTRA-155, instance active enable such MBEB, etc., always pulled high prevent noise coupling through input pins. further details SPECTRA-155, please refer data sheet. Sheet Optics main part optical interface SDX1155 intermediate range single mode optical transceiver that does conversion between optical electric signals. There three types signals associated with optical interface: transmit differential inputs, receive differential outputs, output which connected analog loss signals (ALOS-) input SPECTRA-155 using single-end termination method. Separated receive (Rx) transmit (Tx) decoupling circuits used noise reduction analog power supply pins. Sheet Microcontroller Microcontroller block uses Motorola processor MC68HC clock speed 16.7 programming SNOW board also application daughter board that connected System Interface. temperature sensor LM50 this sheet attached input microprocessor. This sensor used monitoring VCXO circuitry Sheet signals, DADAT, DACLK LOAD connected digital-to-analog converter. signal IC1, IC2, AN4, PCLK connected FPGA. these signals function blocks related Sheet actually implemented. They reserved future development. this sheet also have header (J4) Background Debugging Mode (BDM) operation microprocessor. This header enables reset, freeze read registers microprocessor. Using background debug cable from Microcomputer Inc., full control from Personal Computer (PC) achievable. connection enables load program microprocessor into FLASH. FLASH also contains configuration file Xilinx FPGA. PROPRIETARY CONFIDENTIAL PMC-SIERRA, INC., ITS. CUSTOMERS INTERNAL PM5342 SPECTRA-155 REFERENCE DESIGN REFERENCE DESIGN PMC-970285 ISSUE SONET/SDH NODE OPTICAL INTERFACE NETWORK REFERENCE DESIGN (SNOW BOARD) RS232_RXD RS232_TXD signals connected LT1181A chip TTL/RS232 (V28) level converting Sheet There active chip select signals 17-bit address memory access. Some chip select signals select SPECTRA, System Interface Ring Expansion Interface Control Register extended system application daughter board. register mapping memory detailed Section "Memory Mapping". Three indicator signals, PE1, connected LED. This enables generation alarm signals that implemented software. 68HC16 microprocessor operates from 32.768KHz reference clock. Four sets decoupling capacitors used filter noise from microprocessor digital power pins. Sheet RS232 3-wire RS232 configuration interface implemented this sheet. female (J1) connector used RS-232 communication with LT1181A RS-232 chip that used convert RS-232 signals vice versa. LT1181A connected transmit receive ports UART microprocessor Sheet This enables serial asynchronous communication between microprocessor SNOW board. UART programmed operate 9600 baud, bits, parity, stop programming microprocessor internal registers. Zener diode (D7) implemented power terminal protect board from voltages above 6.8V. board also protected from high current fuse (F1). plus power input power block (P3). Sheet Memory 128Kx8 90ns FLASH EPROM AT29C010-90ns AT29C010A-70TC 128Kx8 70ns Static TC551001BTRL-70Lor KM681000BLT-7L implemented provide board memory design. parts memory share 17-bit address 8-bit data line. Flash chip select CSB_FLASH chip select CSB_RAM signals determine which memory used. PROPRIETARY CONFIDENTIAL PMC-SIERRA, INC., ITS. CUSTOMERS INTERNAL PM5342 SPECTRA-155 REFERENCE DESIGN REFERENCE DESIGN PMC-970285 ISSUE SONET/SDH NODE OPTICAL INTERFACE NETWORK REFERENCE DESIGN (SNOW BOARD) active chip select boot signal CSBOOTB allow microprocessor start from program stored FLASH during boot Sheet Circuitry FPGA circuitry this sheet reserved future development. single Read/Write signal R/WB from microprocessor separated into Read (RDB) Write (WRB) signals connecting SPECTRA-155 other system application daughter board micro interface. microprocessor configures SPECTRA-155 System Interface operation mode through FPGA. There mode select bits SMODE[2:0] sending from FPGA SPECTRA-155 selecting operation mode. Section "Register Configuration" Appendix "Schematics" more details. FPGA also controls data/clock buffer that between System Interface Ring Expansion Interface SPECTRA-155. Such control signals SEL_Nand SEL_LOCAL used control operating mode direction data/clock flow buffer. Section "Register Configuration" Appendix "Schematics" more details. Several signals SPECTRA-155, receive path overhead clocks (RPOHCLK), receive path overhead data (RPOH) receive path overhead frame position (RPOHFP) signals, 3-bit interleaved parity error signals B3E[3:1] connected FPGA preparing adding features future. Other signals, which mentioned here, reserved future developing. Sheet System Interface Micro There also decoupling circuit from this sheet. With exception SYS_INTB, signals that pass though this sheet buffered. 8-bit data always pulled when microprocessor loading data onto bus. system connection enable signal SYS_CONNECTED_ENABLE enables System Interface input/output buffers. PROPRIETARY CONFIDENTIAL PMC-SIERRA, INC., ITS. CUSTOMERS INTERNAL PM5342 SPECTRA-155 REFERENCE DESIGN REFERENCE DESIGN PMC-970285 ISSUE SONET/SDH NODE OPTICAL INTERFACE NETWORK REFERENCE DESIGN (SNOW BOARD) Sheet System Interface Drop main components system Drop switches signal buffers. switches used configure SPECTRA-155 operating modes, buffers implemented safeguards system stability. Drop optionally 38.88 19.44 board system reference clock. clock generated crystal 38.88 divided down 19.44 MHz. 38.88 clock Nibble Telecom operating mode 19.44 used under Byte Telecom operating mode. four select signals, SEL_BTM, SEL_NTM, SEL_SDM_DS3 SEL_NDM mutually exclusive. They control selection four possible Drop clock options. above select signals further gated with either SEL_EXTERNAL SEL_LOCAL signal. SEL_LOCAL signal selects external Drop clock, such DICLK1 input. Section "Operations" more details. active SYS_CONNECTED_ENABLE signal from System Interface connector enables buffers switches once corresponding mated connector pulled low. connector populated, then signal will tristated conserve power. Drop signals that comes through switches buffers from SPECTRA-155 FPGA terminated System Interface connector. 7.10 Sheet System Interface this sheet, system input signals selected either from System Interface Connector from Ring Expansion Interface Connector. output signals connect both Connectors directly. control signals, such SEL_SYSIF generated FPGA. main components this sheet switches signal buffers. switches used selected signals System Interface Connector coming from sheet active select signal SEL_SYSIF controls switches select select signal from System Interface Connector. switches this sheet connected parallel switches Sheet select signals from Ring Expansion Interface Connector). PROPRIETARY CONFIDENTIAL PMC-SIERRA, INC., ITS. CUSTOMERS INTERNAL PM5342 SPECTRA-155 REFERENCE DESIGN REFERENCE DESIGN PMC-970285 ISSUE SONET/SDH NODE OPTICAL INTERFACE NETWORK REFERENCE DESIGN (SNOW BOARD) avoid signal from System Interface Connector signals from Ring Expansion Interface Connector double driving bus, SEL_SYSIF signal SEL_EXPIF Sheet complementary. select signals SEL_SYSIF_Sand SEL_SYSIF STMB also complementary same reason above. When Smode configured, SEL_SYSIF_Ssignal selects GDAT2/SDMTOCLK1 input signal. Otherwise, output signal System Interface Connector. SYS_CONNECTED_ENABLE signals from System Interface Connector EXP_CONNECTED_ENABLE signal from Ring Expansion Interface Connector enables buffers appropriate bus. However plug board must force active signal level through connector SYS_CONNECTED_ENABLE EXP_CONNECTED_ENABLE pin. 7.11 Sheet System Interface Connector Section "System Interface Connector Signals" detail description these signals. 7.12 Sheet Ring Expansion Interface This schematic shows switches that parallel with swatches Sheet respectively. active select signal SEL_EXPIF selects signals from Ring Expansion Interface Connector. active select signal SEL_EXPIF_Sand SEL_EXPIF STMB complementary. When Smode configured, select signal SEL_EXPIF_Sselects Ring Expansion Interface Connector signal EXP_GDAT2/SDMTOCLK1 input signal. Otherwise, output signal Ring Expansion Connector. active EXP_CONNECTED_ENABLE signal from Ring Expansion Interface Connector enables buffers once corresponding mated connector pulled low. 7.13 Sheet Ring Expansion Interface Connector SONET/SDH ring control signals signals terminated this connector. PROPRIETARY CONFIDENTIAL PMC-SIERRA, INC., ITS. CUSTOMERS INTERNAL PM5342 SPECTRA-155 REFERENCE DESIGN REFERENCE DESIGN PMC-970285 ISSUE SONET/SDH NODE OPTICAL INTERFACE NETWORK REFERENCE DESIGN (SNOW BOARD) Section "Ring Interface Connector Signal" more details Note that pins this connector carefully arranged allow mating SNOW boards. 7.14 Sheet Micro_RW (FPGA Schematic) This sheet shows circuit regenerating read, write address latch enable signal. There levels schematic same sheet. schematic bottom second level one. Section 5.4.1 "Microprocessor Timing" more details this schematic. 7.15 Sheet I/F_Control (FPGA Schematic) System Expansion Interface Control Logic circuit consists bidirectional data register (only register address used), decade some glue logic. outputs control signals. SMODE[2:0] signals SPECTRA-155 configuration. remaining control signals control buffers swatches related System Expansion Interface. PROPRIETARY CONFIDENTIAL PMC-SIERRA, INC., ITS. CUSTOMERS INTERNAL PM5342 SPECTRA-155 REFERENCE DESIGN REFERENCE DESIGN PMC-970285 ISSUE SONET/SDH NODE OPTICAL INTERFACE NETWORK REFERENCE DESIGN (SNOW BOARD) LAYOUT DESCRIPTION Component Placement general, components SNOW board Reference Design placed with close reference Block Diagram shown Section components placed order that resembles data flow path minimize signals interconnection. instance, Optical Line Interface placed front SPECTRA-155, which then followed data buffers then interface connectors placed end. layout separates analog digital parts board, well transmit receive analog circuitry. four external interfaces SNOW board consists System Interface, Ring Expansion Interface, RS232 Optical Interface. These placed four sides board. power supply placed mid-bottom board reduce interference between digital analog parts. Some components shown schematic that relate Circuitry populated. Layer Stacking Impedance Matching SNOW board layers: signal (top), analog ground, power, signal digital ground (bottom). characteristic impedance front-end analog high-speed data/clock lines matched with other traces typically matching impedance. Power Ground SNOW board Reference Design ground planes power plane. power planes supplies both analog digital components board. There are, other hand, separate ground planes digital analog parts board. separation between analog ground digital ground minimize noise between types circuitry. Solder bridges, however, placed over SNOW board provide option connecting ground planes. This option evaluating effectiveness separate ground planes. PROPRIETARY CONFIDENTIAL PMC-SIERRA, INC., ITS. CUSTOMERS INTERNAL PM5342 SPECTRA-155 REFERENCE DESIGN REFERENCE DESIGN PMC-970285 ISSUE SONET/SDH NODE OPTICAL INTERFACE NETWORK REFERENCE DESIGN (SNOW BOARD) Decoupling Power supply bypassing decoupling critical operation high-speed design, particularly SNOW board which consists very sensitive analog circuitry. Every digital power pins each chip board bypassed 0.01µF capacitor, including SPECTRA-155 digital power pins (VCC). There analog power pins SPECTRA-155. Each these pins individually decoupled with resistor series, bypassed with 0.01µF, 0.1µF 4.7µF capacitors. Bypassing Reference Design board designed worst-case noise environment. Future characterization SNOW board show that fewer bypassing components needed. Note that SPECTRA-155 requires more than 30mA current entering individual analog power pins. Therefore estimate that maximum voltage drop across decoupling circuitry more than 81mV each pin. PROPRIETARY CONFIDENTIAL PMC-SIERRA, INC., ITS. CUSTOMERS INTERNAL PM5342 SPECTRA-155 REFERENCE DESIGN REFERENCE DESIGN PMC-970285 ISSUE SONET/SDH NODE OPTICAL INTERFACE NETWORK REFERENCE DESIGN (SNOW BOARD) SOFTWARE REGISTER CONFIGURATION Memory Mapping Figure shows microprocessor chip select signals assigned SNOW board memory register access. Figure Chip Select Signals memory mapping CSB_RAM CSB<1> CSB<2> CSB<3> CSB<4> MC68HC16 CSB<5> CSB<7> Microprocessor CSB<8> CSB<9> CSB<10> CSBOOTB CSB_FLASH A<16:0> D<15:8> R/WB FPGA Interface Configuration Register A<1:0> FLASH A<16:0> A<15:0> <9:0> SPECTRA-155 SYSTEM INTERFACE describe Section "Microcontroller", each Chip Select (CS) signal allocated address base. Table below lists address mapping description each address space usage. PROPRIETARY CONFIDENTIAL PMC-SIERRA, INC., ITS. CUSTOMERS INTERNAL PM5342 SPECTRA-155 REFERENCE DESIGN REFERENCE DESIGN PMC-970285 ISSUE SONET/SDH NODE OPTICAL INTERFACE NETWORK REFERENCE DESIGN (SNOW BOARD) Table Chip Select Signal Memory Space Mapping Signal CSBOOTB Description Memory space Vectors enable FLASH during boot Memory space 128x8 SRAM. Address Space Start: End: Start: End: Start: End: Start: End: Start: End: Start: End: Start: End: Start: End: 00000H 03FFFH 04000H 07FFFH 10000H 11A58H C0000H C0FFFH C1000H C1FFFH C2000H C2FFFH C3000H C3FFFH C4000H C4FFFH CSB_RAM CSB_FLASH Memory space 128x8 FLASH EPROM. Memory space SPECTRA155. Memory space FPGA registers. Memory space three chip select signals System Interface. Memory space three chip select signals System Interface. Memory space three chip select signals System Interface. CSB[4] CSB[3] CSB[8] CSB[9] CSB[10] Please refer SPECTRA-155 data sheet detailed descriptions SPECTRA-155 registers. Only address FPGA registers used configuring System Ring Expansion Interface operation mode. These registers described bellow. PROPRIETARY CONFIDENTIAL PMC-SIERRA, INC., ITS. CUSTOMERS INTERNAL PM5342 SPECTRA-155 REFERENCE DESIGN REFERENCE DESIGN PMC-970285 ISSUE SONET/SDH NODE OPTICAL INTERFACE NETWORK REFERENCE DESIGN (SNOW BOARD) Register 00H: System Ring Expansion Interface Configuration Register Type Function CONFIGD[7] CONFIGD[6] CONFIGD[5] CONFIGD[4] CONFIGD[3] CONFIGD[2] CONFIGD[1] CONFIGD[0] Default CONF[7:0]: Refer Section details Register 01H-03H: Reserved Type Function Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Default PROPRIETARY CONFIDENTIAL PMC-SIERRA, INC., ITS. CUSTOMERS INTERNAL PM5342 SPECTRA-155 REFERENCE DESIGN REFERENCE DESIGN PMC-970285 ISSUE SONET/SDH NODE OPTICAL INTERFACE NETWORK REFERENCE DESIGN (SNOW BOARD) Software SNOW board contains pre-loaded code allow board configuration control. This downloaded into board FLASH. instructions listed Table allow access SNOW board through VT100 type terminal using standard RS232 cable. However, other platforms developed. Table VT100 Basic Commands Description Read FPGA registers Write FPGA registers Read SPECTRA-155 registers Write SPECTRA-155 registers Read System Interface register group WTC1 Write System Interface register group Read System Interface register group WTC2 Write System Interface register group Read System Interface register group WTC3 Write System Interface register group Instruction Syntax <addr> <value> <addr> <value> <addr> <value> <addr> <value> <addr> <value> <addr> <addr> RDC1 <addr> RDC2 <addr> RDC3 <addr> case accidentally erasing FLASH, follow steps below download SNOW SNOW board Open shell before proceeding. Create directory called "SNOW_FIRMWARE". Copy SNOW board code into "SNOW_FIRMWARE". PROPRIETARY CONFIDENTIAL PMC-SIERRA, INC., ITS. CUSTOMERS INTERNAL PM5342 SPECTRA-155 REFERENCE DESIGN REFERENCE DESIGN PMC-970285 ISSUE SONET/SDH NODE OPTICAL INTERFACE NETWORK REFERENCE DESIGN (SNOW BOARD) Connect SNOW board port parallel port using Microcomputer System CPU16/CPU32 cable. "CD" "SNOW FIRMWARE" directory. Type BURN SNOW <return>. script should execute with error messages. Please contact PMC-Sierra SNOW board code. Register Configuration There register groups that accessed SNOW board. These SPECTRA-155 registers FPGA registers. configuring SPECTRA-155 register, please refer SPECTRA-155 Data Sheet. Four registers implemented FPGA, only addressed used. This register used configuring System Interface Ring Expansion operation mode. Table below shows configure this register. remaining three registers FPGA reserved future use. Table System Interface Ring Expansion Interface configuration Register (00H) Value (HEX) BTM-L-S BTM-L-E Byte Serial Telecom Mode with local drop clock signals from System Interface. Byte Serial Telecom Mode with local system drop clock signals from Ring Expansion Interface. Byte Telecom Mode with external system drop clock signals from System Interface. Byte Serial Telecom Mode with external system drop clock signals from Ring Expansion Interface. Nibble Serial Telecom Mode with local system drop clock signals from System Interface. Mode Description BTM-X-S BTM-X-E NTM-L-S PROPRIETARY CONFIDENTIAL PMC-SIERRA, INC., ITS. CUSTOMERS INTERNAL PM5342 SPECTRA-155 REFERENCE DESIGN REFERENCE DESIGN PMC-970285 ISSUE SONET/SDH NODE OPTICAL INTERFACE NETWORK REFERENCE DESIGN (SNOW BOARD) Value (HEX) Mode Description NTM-L-E Nibble Serial Telecom Mode with local system drop clock signals from Ring Expansion Interface. Nibble Serial Telecom Mode with external system drop clock signals from System Interface. Nibble Serial Telecom Mode with external system drop clock signals from Ring Expansion Interface. Serial Telecom Mode with external drop clocks signals from System Interface. Serial Telecom Mode with external drop clocks signals from Ring Expansion Interface. Byte Serial Telecom Mode with line drop clock signals from System Interface. Byte Serial Telecom Mode with line system drop clock signals from Ring Expansion Interface. Nibble Serial Telecom Mode with line system drop clock signals from System Interface. Nibble Serial Telecom Mode with line drop clock signals from Ring Expansion Interface. Serial Telecom Mode with line system drop clocks signals from System Interface. Serial Telecom Mode with line system drop clocks signals from Ring Expansion Interface. Mode with external system drop clocks, signal from System Interface. Mode with external drop clocks signals from Ring Expansion Interface. effect. NTM-X-S NTM-X-E STM-X-S STM-X-E BDM-L-S BDM-L-E NDM-L-S NDM-L-E SDM-L-S SDM-L-E DS3-X-S DS3-X-E Others PROPRIETARY CONFIDENTIAL PMC-SIERRA, INC., ITS. CUSTOMERS INTERNAL PM5342 SPECTRA-155 REFERENCE DESIGN REFERENCE DESIGN PMC-970285 ISSUE SONET/SDH NODE OPTICAL INTERFACE NETWORK REFERENCE DESIGN (SNOW BOARD) OPERATIONS 10.1 Operation Environment SNOW board primarily designed demonstrate functionality PM5342 SONET/SDH Payload Extractor Aligner (SPECTRA-155). connected test system shown line side, board supports OC-3 OC-1 traffic. board could then plugged with another application daughter board through System Interface, which allows application daughter board programmed SNOW board's board microprocessor. Also, there Ring Expansion Interface interconnection between SNOW boards. Connecting SNOW boards will provide dual ring network element (West-East traffic). mentioned Functional Description, Ring Expansion Interface needed when ring dual ring network utilizes half circuitry board receiving traffic other half adjoining SNOW board transmitting traffic West-East traffic configuration. Figure SNOW board Operation VT100 Term System Application Daughter Board OC-3 OC-1 Optical Traffic SNOW Board Ring Expansion Interface System Interface System Application Daughter Board OC-3 OC-1 Optical Traffic SNOW Board PROPRIETARY CONFIDENTIAL PMC-SIERRA, INC., ITS. CUSTOMERS INTERNAL PM5342 SPECTRA-155 REFERENCE DESIGN REFERENCE DESIGN PMC-970285 ISSUE SONET/SDH NODE OPTICAL INTERFACE NETWORK REFERENCE DESIGN (SNOW BOARD) There Mbit Flash Mbit SRAM implemented SNOW board configuring board executing software. Users access board registers through VT100 type terminal that connected SNOW board through RS232 terminal interface. SNOW board self initialized each powers this occur, BURN SNOW application program must first installed through Background Debug Port (DBM) Once BURN SNOW code been downloaded, SNOW board will boot from FLASH. Once board booted standard RS232 cable used access SNOW board normal operation. following procedure should followed accessing SNOW board RS232 interface (J1). Connect serial port connector SNOW board using RS232 cable. Open VT100 Terminal port configure operate 9600 baud, bits, parity, stop bit. instruction Section access SNOW board. PROPRIETARY CONFIDENTIAL PMC-SIERRA, INC., ITS. CUSTOMERS INTERNAL PM5342 SPECTRA-155 REFERENCE DESIGN REFERENCE DESIGN PMC-970285 ISSUE SONET/SDH NODE OPTICAL INTERFACE NETWORK REFERENCE DESIGN (SNOW BOARD) 10.2 Operating Modes SPECTRA-155 SONET/SDH Payload Extractor/Aligner device which support OC-3 optical traffic. processes section, line path overhead STS-1 (STM-0/AU3), STS-3c (STM-1/AU4), STS-3 (STM-1/AU3) data stream. SPECTRA-155 supports wide selection system configuration options. configured into different operating modes, which selected 3-bit mode select signal (SMODE[2:0]) generated FPGA. Table shows possible modes operation. Table SPECTRA155 Mode Code System Interface Operation Modes SNOW board Mode Name BNSBDM Mode Operation Byte Serial Telecom Mode Telecombus Nibble Serial Mode Telecombus Serial Mode Datacom Byte Serial Mode Datacom Nibble Serial Mode Datacom Serial Mode Datacom Mode Reserved SNOW board, user select SNOW board operating mode typing into VT-100 terminal. each above modes, SNOW board system interface configured differently according configuration register programming shown Section 9.3. figures Tables indicate System connector signals configured each these operating modes. PROPRIETARY CONFIDENTIAL PMC-SIERRA, INC., ITS. CUSTOMERS INTERNAL PM5342 SPECTRA-155 REFERENCE DESIGN REFERENCE DESIGN PMC-970285 ISSUE SONET/SDH NODE OPTICAL INTERFACE NETWORK REFERENCE DESIGN (SNOW BOARD) 10.2.1 Interface Signals Byte Serial Telecom Mode Configuration Figure shows drop signals System Interface Byte Serial Telecom Mode (BTM) operation. Figure Interface Signals BConfiguration Drop ss[0] ss[1] ss[2] ss[3] ss[4] ss[5] ss[6] ss[7] ss[8] ss[9] ss[10] ss[11] ss[12] ss[13] ss[14] ss[15] ss[16] ss[17] ss[18] ss[19] ss[20] ss[21] ss[22] ss[23] ss[24] ss[25] ss[26] ss[27] ss[28] ss[29] ss[30] ss[31] ss[32] ss[33] ss[34] AD[0] AD[1] AD[2] AD[3] AD[4] AD[5] AD[6] AD[7] AC1J1V1 GMFP GD[0] GD[1] GC1J1V1 DTPAIS[1] DTPAIS[2] DTPAIS[3] DD[0] DD[1] DD[2] DD[3] DD[4] DD[5] DD[6] DD[7] DC1J1V1 SYSTEM INTERFACE 5342 SPECTRA-155 SMODE 000(BTM) When operating BTM, drop data sourced from SPECTRA-155 System Interface connector. drop clock sourced from either local 19.44 system clock oscillator from system application daughter board configuring System Interface Ring Expansion Interface Configuration Register (refer Section 9.3). Bus, signals configured come from either System Interface Ring Expansion Interface. Table below more detail description these signals. PROPRIETARY CONFIDENTIAL PMC-SIERRA, INC., ITS. CUSTOMERS INTERNAL SYSTEM INTERFACE RING EXPANSION INTERFACE PM5342 SPECTRA-155 REFERENCE DESIGN REFERENCE DESIGN PMC-970285 ISSUE SONET/SDH NODE OPTICAL INTERFACE NETWORK REFERENCE DESIGN (SNOW BOARD) Table System Interface Signals Bapplication Signal Name BDCK DD[0] DD[1] DD[2] DD[3] DD[4] DD[5] DD[6] DD[7] DC1J1V1 AD[0] AD[1] AD[2] AD[3] AD[4] AD[5] AD[6] AD[7] AC1J1V1 GMFP GD[0] GD[1] Description Name DOCLK1 DDAT0 DDAT1 DDAT2 DDAT3 DDAT4 DDAT5 DDAT6 DDAT7 DDAT8 DDAT9 DDAT10 SYS_AICLK1 SYS_DAT0/AICLK2 SYS_DAT1/AICLK3 SYS_DAT2/DS3RAIS1 SYS_DAT3/DS3RAIS2 SYS_DAT4/DS3RAIS3 SYS_DAT5 SYS_DAT6 SYS_DAT7 SYS_ADAT8 SYS_ADAT9 SYS_ADAT10 GDAT0 GDAT1 GDAT2/ADMTOCLK1 GDAT3/ADMTOCLK2 GDAT4/ADMTOCLK3 19.44/6.48 drop clock Drop reference frame pulse Drop data Drop data Drop data Drop data Drop data Drop data Drop data Drop data Drop payload valid Drop C1J1V1 pulse Drop parity 19.44/6.48 clock data data data data data data data data payload valid C1J1V1 pulse parity Generated reference frame pulse Generated reference multi frame pulse Generated multi frame count data Generated multi frame count data Generated payload valid PROPRIETARY CONFIDENTIAL PMC-SIERRA, INC., ITS. CUSTOMERS INTERNAL PM5342 SPECTRA-155 REFERENCE DESIGN REFERENCE DESIGN PMC-970285 ISSUE SONET/SDH NODE OPTICAL INTERFACE NETWORK REFERENCE DESIGN (SNOW BOARD) Name GDAT5 GDAT6 SYS_DS3TAIS1 SYS_DS3TAIS1 SYS_DS3TAIS1 TCLK Signal Name BGC1J1V1 DTPAIS[1] DTPAIS[2] DTPAIS[3] Output Description Generated C1J1V1 pulse Generated parity Drop transmit path insert Drop transmit path insert Drop transmit path insert Reserved PROPRIETARY CONFIDENTIAL PMC-SIERRA, INC., ITS. CUSTOMERS INTERNAL PM5342 SPECTRA-155 REFERENCE DESIGN REFERENCE DESIGN PMC-970285 ISSUE SONET/SDH NODE OPTICAL INTERFACE NETWORK REFERENCE DESIGN (SNOW BOARD) 10.2.2 Interface Signals Nibble Serial Telecom Mode Configuration Figure shows drop signals System Interface Nibble Serial Telecom Mode (NTM) operation. Figure Interface Signals NConfiguration Drop ss[0] ss[1] ss[2] ss[3] ss[4] ss[5] DD[0] DD[1] DD[2] DD[3] SYSTEM INTERFACE ss[10] ss[11] ss[12] ss[13] ss[14] ss[15] ss[16] ss[17] DC1J1V1 5342 SPECTRA-155 SMODE 001(NTM) AD[0] AD[1] AD[2] AD[3] SYSTEM INTERFACE RING EXPANSION INTERFACE ss[22] ss[23] ss[24] ss[25] ss[26] ss[27] ss[28] ss[29] ss[30] ss[31] ss[32] ss[33] ss[34] AC1J1V1 GMFP GD[0] GD[1] GC1J1V1 DTPAIS[1] DTPAIS[2] DTPAIS[3] When operating NTM, drop data sourced from SPECTRA-155 System Interface connector. drop clock sourced from either local 38.88 system clock oscillator from system application daughter board configuring System Interface Ring Expansion Interface Configuration Register (refer Section 9.3). Bus, signals configured come from either System Interface Ring Expansion Interface. Table below more detail description these signals. PROPRIETARY CONFIDENTIAL PMC-SIERRA, INC., ITS. CUSTOMERS INTERNAL PM5342 SPECTRA-155 REFERENCE DESIGN REFERENCE DESIGN PMC-970285 ISSUE SONET/SDH NODE OPTICAL INTERFACE NETWORK REFERENCE DESIGN (SNOW BOARD) Table Interface Signals Napplication Signal Name NDCK DD[0] DD[1] DD[2] DD[3] Output Output Output Output DC1J1V1 AD[0] AD[1] AD[2] AD[3] Input Input Input Input AC1J1V1 GMFP GD[0] GD[1] Description Name DOCLK1 DDAT0 DDAT1 DDAT2 DDAT3 DDAT4 DDAT5 DDAT6 DDAT7 DDAT8 DDAT9 DDAT10 SYS_AICLK1 SYS_DAT0/AICLK2 SYS_DAT1/AICLK3 SYS_DAT2/DS3RAIS1 SYS_DAT3/DS3RAIS2 SYS_DAT4/DS3RAIS3 SYS_DAT5 SYS_DAT6 SYS_DAT7 SYS_ADAT8 SYS_ADAT9 SYS_ADAT10 GDAT0 GDAT1 GDAT2/ADMTOCLK1 GDAT3/ADMTOCLK2 GDAT4/ADMTOCLK3 38.88/12.96 drop clock Drop reference frame pulse Drop data Drop data Drop data Drop data Reserved Reserved Reserved Reserved Drop payload valid Drop C1J1V1 pulse Drop parity 38.88/12.96 clock Data Data Data Data Reserved input Reserved input Reserved input Reserved input payload valid C1J1V1 pulse parity check Generated reference frame pulse Generated reference multi frame pulse Generated multi frame count data Generated multi frame count data Generated payload valid PROPRIETARY CONFIDENTIAL PMC-SIERRA, INC., ITS. CUSTOMERS INTERNAL PM5342 SPECTRA-155 REFERENCE DESIGN REFERENCE DESIGN PMC-970285 ISSUE SONET/SDH NODE OPTICAL INTERFACE NETWORK REFERENCE DESIGN (SNOW BOARD) Name GDAT5 GDAT6 SYS_DS3TAIS1 SYS_DS3TAIS1 SYS_DS3TAIS1 TCLK Signal Name NGC1J1V1 DTPAIS[1] DTPAIS[2] DTPAIS[3] Output Description Generated C1J1V1 pulse Generated parity Receive transmit path insert Receive transmit path insert Receive transmit path insert Reserved PROPRIETARY CONFIDENTIAL PMC-SIERRA, INC., ITS. CUSTOMERS INTERNAL PM5342 SPECTRA-155 REFERENCE DESIGN REFERENCE DESIGN PMC-970285 ISSUE SONET/SDH NODE OPTICAL INTERFACE NETWORK REFERENCE DESIGN (SNOW BOARD) 10.2.3 Interface Signals Serial Telecom Mode Configuration Figure shows drop signals System Interface Serial Telecom Mode (STM) operation. Figure Interface Signals SConfiguration Drop ss[0] ss[2] ss[3] ss[4] ss[5] ss[6] ss[7] ss[8] ss[9] ss[10] ss[11] ss[12] SDCK[1] SDCK[2] SDCK[3] SDC1J1V1[1] SDC1J1V1[2] SDC1J1V1[3] SDD[1] SDD[2] SDD[3] SDPL[1] SDPL[2] SDPL[3] ss[13] ss[14] ss[15] ss[16] ss[17] ss[18] ss[19] ss[20] ss[21] ss[22] ss[23] ss[24] SACK[1] SACK[2] SACK[3] SAC1J1V1[1] SAC1J1V1[2] SAC1J1V1[3] SAD[1] SAD[2] SAD[3] SAPL[1] SAPL[2] SAPL[3] SYSTEM INTERFACE 5342 SPECTRA-155 SMODE 010(STM) SYSTEM INTERFACE RING EXPANSION INTERFACE ss[25] ss[26] ss[27] ss[32] ss[33] ss[34] SDFP[1] SDFP[2] SDFP[3] SDTPAIS[1] SDTPAIS[2] SDTPAIS[3] When operating STM, drop data sourced from SPECTRA-155 System Interface connector. 51.84 system drop clocks SDCK[3:1] inputted from system application daughter board configuring System Interface Ring Expansion Interface Configuration Register (refer Section 9.3). Bus, signals configured come from either System Interface Ring Expansion Interface. Table below more detail description these signals. PROPRIETARY CONFIDENTIAL PMC-SIERRA, INC., ITS. CUSTOMERS INTERNAL PM5342 SPECTRA-155 REFERENCE DESIGN REFERENCE DESIGN PMC-970285 ISSUE SONET/SDH NODE OPTICAL INTERFACE NETWORK REFERENCE DESIGN (SNOW BOARD) Table Interface Signals Sapplication Signal Name SSDCK[1] Input SDCK[2] SDCK[3] SDC1J1V1[1] SDC1J1V1[2] SDC1J1V1[3] SDD[1] SDD[2] SDD[3] SDPL[1] SDPL[2] SDPL[3] SACK[1] SACK[2] SACK[3] SAC1J1V1[1] SAC1J1V1[2] SAC1J1V1[3] SAD[1] SAD[2] SAD[3] SAPL[1] SAPL[2] SAPL[3] SDFP[1] SDFP[2] SDFP[3] Output Output Output Description 51.84 drop clock Reserved input 51.84 drop clock 51.84 drop clock Drop C1J1V1 pulse Drop C1J1V1 pulse Drop C1J1V1 pulse Drop serial data Drop serial data Drop serial data Drop payload valid Drop payload valid Drop payload valid 51.84 clock 51.84 clock 51.84 clock C1J1V1 pulse C1J1V1 pulse C1J1V1 pulse Data Data Data payload valid payload valid payload valid Drop reference frame pulse Drop reference frame pulse Drop reference frame pulse Reserved Reserved Reserved Name DOCLK1 DDAT0 DDAT1 DDAT2 DDAT3 DDAT4 DDAT5 DDAT6 DDAT7 DDAT8 DDAT9 DDAT10 SYS_AICLK1 SYS_DAT0/AICLK2 SYS_DAT1/AICLK3 SYS_DAT2/DS3RAIS1 SYS_DAT3/DS3RAIS2 SYS_DAT4/DS3RAIS3 SYS_DAT5 SYS_DAT6 SYS_DAT7 SYS_ADAT8 SYS_ADAT9 SYS_ADAT10 GDAT0 GDAT1 GDAT2/ADMTOCLK1 GDAT3/ADMTOCLK2 GDAT4/ADMTOCLK3 GDAT5 PROPRIETARY CONFIDENTIAL PMC-SIERRA, INC., ITS. CUSTOMERS INTERNAL PM5342 SPECTRA-155 REFERENCE DESIGN REFERENCE DESIGN PMC-970285 ISSUE SONET/SDH NODE OPTICAL INTERFACE NETWORK REFERENCE DESIGN (SNOW BOARD) Name GDAT6 SYS_DS3TAIS1 SYS_DS3TAIS1 SYS_DS3TAIS1 TCLK Signal Name SOutput SDTPAIS[1] SDTPAIS[2] SDTPAIS[3] Output Description Reserved Receive transmit path insert Receive transmit path insert Receive transmit path insert Reserved PROPRIETARY CONFIDENTIAL PMC-SIERRA, INC., ITS. CUSTOMERS INTERNAL PM5342 SPECTRA-155 REFERENCE DESIGN REFERENCE DESIGN PMC-970285 ISSUE SONET/SDH NODE OPTICAL INTERFACE NETWORK REFERENCE DESIGN (SNOW BOARD) 10.2.4 Interface Signals Byte Serial Datacom Mode Configuration Figure shows drop signals System Byte Serial Datacom Mode (BDM) operation. Figure Interface Signals Configuration Application Daughter Board DMROCLK SNOW Board Drop ss[0] ss[2] ss[3] ss[4] ss[5] ss[6] ss[7] ss[8] ss[9] SYSTEM INTERFACE DMRDAT[0] DMRDAT[1] DMRDAT[2] DMRDAT[3] DMRDAT[4] DMRDAT[5] DMRDAT[6] DMRDAT[7] maximal delay between DMTOCLK DMTICLK must less than clock cycle 5342 SPECTRA-155 SMODE 011(BDM) ss[13] ss[14] ss[15] ss[16] ss[17] ss[18] ss[19] ss[20] ss[21] DMTICLK DMTDAT[0] DMTDAT[1] DMTDAT[2] DMTDAT[3] DMTDAT[4] DMTDAT[5] DMTDAT[6] DMTDAT[7] data clock generator SYSTEM INTERFACE RING EXPANSION INTERFACE ss[28] DMTOCLK When operating BDM, drop data sourced from SPECTRA-155 System Interface connector. Both system drop clock DMROCLK clock DMTOCLK sourced from SPECTRA-155 line clock. Please refer Section configuration. Bus, signals configured come from either System Interface Ring Expansion Interface. Note that DMTOCLK clock used update transmit byte serial data stream must back daughter board together with byte serial data into PROPRIETARY CONFIDENTIAL PMC-SIERRA, INC., ITS. CUSTOMERS INTERNAL PM5342 SPECTRA-155 REFERENCE DESIGN REFERENCE DESIGN PMC-970285 ISSUE SONET/SDH NODE OPTICAL INTERFACE NETWORK REFERENCE DESIGN (SNOW BOARD) DMTICLK input. Table below contains more detailed description these signals. Table Interface Signals application Signal Name DMROCLK Input DMRDAT[0] DMRDAT[1] DMRDAT[2] DMRDAT[3] DMRDAT[4] DMRDAT[5] DMRDAT[6] DMRDAT[7] Output Output Output DMTICLK DMTDAT[0] DMTDAT[1] DMTDAT[2] DMTDAT[3] DMTDAT[4] DMTDAT[5] DMTDAT[6] DMTDAT[7] Input Input Input Input Input Input DMTOCLK Output Description Name DOCLK1 DDAT0 DDAT1 DDAT2 DDAT3 DDAT4 DDAT5 DDAT6 DDAT7 DDAT8 DDAT9 DDAT10 SYS_AICLK1 SYS_DAT0/AICLK2 SYS_DAT1/AICLK3 SYS_DAT2/DS3RAIS1 SYS_DAT3/DS3RAIS2 SYS_DAT4/DS3RAIS3 SYS_DAT5 SYS_DAT6 SYS_DAT7 SYS_ADAT8 SYS_ADAT9 SYS_ADAT10 GDAT0 GDAT1 GDAT2/ADMTOCLK1 GDAT3/ADMTOCLK2 GDAT4/ADMTOCLK3 18.72/6.192/6.048 Line gapped clock Reserved input Drop data Drop data Drop data Drop data Drop data Drop data Drop data Drop data Reserved Reserved Reserved 18.72/6.192/6.048 Line gapped clock data data data data data data data data Reserved input Reserved input Reserved input Reserved input Reserved input Reserved input 18.72/6.192/6.048 Line gapped clock Reserved PROPRIETARY CONFIDENTIAL PMC-SIERRA, INC., ITS. CUSTOMERS INTERNAL PM5342 SPECTRA-155 REFERENCE DESIGN REFERENCE DESIGN PMC-970285 ISSUE SONET/SDH NODE OPTICAL INTERFACE NETWORK REFERENCE DESIGN (SNOW BOARD) Name GDAT5 GDAT6 SYS_DS3TAIS1 SYS_DS3TAIS1 SYS_DS3TAIS1 TCLK Signal Name Output Output Input Input Input Output Description Reserved Reserved Reserved input Reserved input Reserved input Reserved PROPRIETARY CONFIDENTIAL PMC-SIERRA, INC., ITS. CUSTOMERS INTERNAL PM5342 SPECTRA-155 REFERENCE DESIGN REFERENCE DESIGN PMC-970285 ISSUE SONET/SDH NODE OPTICAL INTERFACE NETWORK REFERENCE DESIGN (SNOW BOARD) 10.2.5 Interface Signals Nibble Serial Datacom Mode Configuration Figure shows drop signals System Interface Nibble Serial Datacom Mode (NDM) operation. Figure Interface Signals Configuration RCLK nibble control signal presented System Interface Connector Drop ss[0] ss[2] ss[3] ss[4] ss[5] ss[6] ss[7] ss[8] ss[9] DMROCLK SNOW Board Application Daughter Board SYSTEM INTERFACE DMRDAT[0] DMRDAT[1] DMRDAT[2] DMRDAT[3] maximal delays between DMTOCLK DMTICLK, TCLK DMTMSN must less than nibble clock cycles 5342 SPECTRA-155 SMODE 100(NDM) ss[13] ss[14] ss[15] ss[16] ss[17] DMTICLK DMTDAT[0] DMTDAT[1] DMTDAT[2] DMTDAT[3] data clock generator ss[25] TCLK ss[28] DMTMSN TCLK DMTOCLK SYSTEM INTERFACE RING EXPANSION INTERFACE When operating NDM, drop data sourced from SPECTRA-155 System Interface connector. Both system drop clock DMROCLK clock DMTOCLK sourced from SPECTRA-155 line clock. Please refer Section configuration. Bus, signals configured PROPRIETARY CONFIDENTIAL PMC-SIERRA, INC., ITS. CUSTOMERS INTERNAL PM5342 SPECTRA-155 REFERENCE DESIGN REFERENCE DESIGN PMC-970285 ISSUE SONET/SDH NODE OPTICAL INTERFACE NETWORK REFERENCE DESIGN (SNOW BOARD) come from either System Interface Ring Expansion Interface. Note that DMTOCLK clock used update transmit nibble serial data stream must back daughter board together with byte serial data into DMTICLK input. Table below contains more detailed description these signals. Table Interface Signals application Signal Name DMROCLK Input DMRDAT[0] DMRDAT[1] DMRDAT[2] DMRDAT[3] Output Output Output Output Output Output Output DMTICLK DMTDAT[0] DMTDAT[1] DMTDAT[2] DMTDAT[3] Input Input Input Input Input Input Input DMTMSN Input Input Description Name DOCLK1 DDAT0 DDAT1 DDAT2 DDAT3 DDAT4 DDAT5 DDAT6 DDAT7 DDAT8 DDAT9 DDAT10 SYS_AICLK1 SYS_DAT0/AICLK2 SYS_DAT1/AICLK3 SYS_DAT2/DS3RAIS1 SYS_DAT3/DS3RAIS2 SYS_DAT4/DS3RAIS3 SYS_DAT5 SYS_DAT6 SYS_DAT7 SYS_ADAT8 SYS_ADAT9 SYS_ADAT10 GDAT0 GDAT1 GDAT2/ADMTOCLK1 37.44/12.384/12.096 Line gapped clock Reserved input Drop data Drop data Drop data Drop data Reserved Reserved Reserved Reserved Reserved Reserved Reserved 37.44/12.384/12.096 Line gapped clock data data data data Reserved input Reserved input Reserved input Reserved input Reserved input Reserved input Reserved input nibble control Reserved input Reserved input PROPRIETARY CONFIDENTIAL PMC-SIERRA, INC., ITS. CUSTOMERS INTERNAL PM5342 SPECTRA-155 REFERENCE DESIGN REFERENCE DESIGN PMC-970285 ISSUE SONET/SDH NODE OPTICAL INTERFACE NETWORK REFERENCE DESIGN (SNOW BOARD) Name GDAT3/ADMTOCLK2 GDAT4/ADMTOCLK3 GDAT5 GDAT6 SYS_DS3TAIS1 SYS_DS3TAIS1 SYS_DS3TAIS1 TCLK Signal Name DMTOCLK Output Output Output Input Input Input TCLK Description 37.44/12.384/12.096 Line gapped clock Reserved Reserved Reserved Reserved input Reserved input Reserved input Line TCLK clock used nibble control PROPRIETARY CONFIDENTIAL PMC-SIERRA, INC., ITS. CUSTOMERS INTERNAL PM5342 SPECTRA-155 REFERENCE DESIGN REFERENCE DESIGN PMC-970285 ISSUE SONET/SDH NODE OPTICAL INTERFACE NETWORK REFERENCE DESIGN (SNOW BOARD) 10.2.6 Interface Signals Serial Datacom Mode Configuration Figure shows drop signals System Interface Serial Datacom Mode (SDM) operation. Figure Interface Signals Configuration SNOW Board Drop SYSTEM INTERFACE ss[4] ss[5] ss[6] ss[8] ss[9] ss[10] SDMROCLK[1] SDMROCLK[2] SDMROCLK[3] SDMRDAT[1] SDMRDAT[2] SDMRDAT[3] Application Daughter Board 5342 SPECTRA-155 SMODE 101(SDM) ss[13] ss[14] ss[15] TICLK[1] TICLK[2] TICLK[3] data clock generator ss[19] ss[20] ss[21] SDMTDAT[1] SDMTDAT[2] SDMTDAT[3] ss[27] ss[28] ss[29] SDMTOCLK[1] SDMTOCLK[2] SDMTOCLK[3] SYSTEM INTERFACE RING EXPANSION INTERFACE When operating SDM, drop data sourced from SPECTRA-155 System Interface connector. Both system drop clocks SDMROCLK[3:1] clocks SDMTOCLK[3:1] sourced from SPECTRA-155 line clock. Bus, signals configured come from either System Interface Ring Expansion Interface. Note that SDMTOCLK[3:1] clocks used update transmit serial data streams device PROPRIETARY CONFIDENTIAL PMC-SIERRA, INC., ITS. CUSTOMERS INTERNAL PM5342 SPECTRA-155 REFERENCE DESIGN REFERENCE DESIGN PMC-970285 ISSUE SONET/SDH NODE OPTICAL INTERFACE NETWORK REFERENCE DESIGN (SNOW BOARD) daughter board they must feed back into SDMTICLK[3:1] inputs alone with SDMTDAT[3:1] inputs. Table below contains more detail description these signals. Table Interface Signals application Signal Name Input Input Input Input SDMROCLK[1] Description Reserved input Reserved input Reserved input Reserved input 49.536/48.384 Line gapped clock 49.536/48.384 Line gapped clock 49.536/48.384 Line gapped clock Drop serial data Drop serial data Drop serial data Reserved Reserved Reserved 49.536/48.384 Line gapped clock 49.536/48.384 Line gapped clock 49.536/48.384 Line gapped clock Reserved input Reserved input Reserved input serial data serial data serial data Name DOCLK1 DDAT0 DDAT1 DDAT2 DDAT3 DDAT4 DDAT5 DDAT6 DDAT7 DDAT8 DDAT9 DDAT10 SYS_AICLK1 SYS_DAT0/AICLK2 SYS_DAT1/AICLK3 SYS_DAT2/DS3RAIS SYS_DAT3/DS3RAIS SYS_DAT4/DS3RAIS SYS_DAT5 SYS_DAT6 SYS_DAT7 SDMROCLK[2] SDMROCLK[3] SDMRDAT[1] SDMRDAT[2] SDMRDAT[3] Output Output Output SDMTICLK[1] SDMTICLK[2] SDMTICLK[3] Input Input Input SDMTDAT[1] SDMTDAT[2] SDMTDAT[3] PROPRIETARY CONFIDENTIAL PMC-SIERRA, INC., ITS. CUSTOMERS INTERNAL PM5342 SPECTRA-155 REFERENCE DESIGN REFERENCE DESIGN PMC-970285 ISSUE SONET/SDH NODE OPTICAL INTERFACE NETWORK REFERENCE DESIGN (SNOW BOARD) Signal Name SYS_ADAT8 Input SYS_ADAT9 Input SYS_ADAT10 Input GDAT0 Input GDAT1 Input GDAT2/ADMTOCLK1 SDMTOCLK[1] GDAT3/ADMTOCLK2 SDMTOCLK[2] GDAT4/ADMTOCLK3 SDMTOCLK[3] GDAT5 GDAT6 SYS_DS3TAIS1 SYS_DS3TAIS1 SYS_DS3TAIS1 TCLK Output Output Input Input Input Output Name Description Reserved input Reserved input Reserved input Reserved input Reserved input 49.536/48.384 Line gapped clock 49.536/48.384 Line gapped clock 49.536/48.384 Line gapped clock Reserved Reserved Reserved input Reserved input Reserved input Reserved PROPRIETARY CONFIDENTIAL PMC-SIERRA, INC., ITS. CUSTOMERS INTERNAL PM5342 SPECTRA-155 REFERENCE DESIGN REFERENCE DESIGN PMC-970285 ISSUE SONET/SDH NODE OPTICAL INTERFACE NETWORK REFERENCE DESIGN (SNOW BOARD) 10.2.7 Interface Signals Configuration Figure shows drop signals System Interface Mode (DS3) operation. Figure Interface Signals Mode Configuration SNOW Board Drop ss[0] ss[1] ss[2] ss[3] ss[4] ss[5] ss[6] ss[7] ss[8] ss[9] ss[16] ss[17] ss[18 SYSTEM INTERFACE DS3RICLK[1] DS3RICLK[2] DS3RICLK[3] DS3ROCLK[1] DS3ROCLK[2] DS3ROCLK[3] DS3RDAT[1] DS3RDAT[2] DS3RDAT[3] DS3RAIS[1] DS3RAIS[2] DS3RAIS[3]] receive data buffers 5342 SPECTRA-155 ss[13] ss[14] ss[15] ss[19] ss[20] ss[21] ss[32] ss[33] ss[34] DS3TICLK[1] DS3TICLK[2] DS3TICLK[3] SMODE 110(DS3) DS3TDAT[1] DS3TDAT[2] DS3TDAT[3] DS3TAIS[1] DS3TAIS[2] DS3TAIS[3] SYSTEM INTERFACE RING EXPANSION INTERFACE Application Daughter Board When operating DS3, drop data sourced from SPECTRA-155 System Interface Connector. Both system drop clocks DS3RICLK[3:1] clocks DS3TICLK[3:1] sourced from system application daughter board. Note that DS3ROCLK[3:1] clocks true rate clock which gapped from DS3RICLK[3:1] clocks. These clocks used update serial data streams. Bus, signals PROPRIETARY CONFIDENTIAL PMC-SIERRA, INC., ITS. CUSTOMERS INTERNAL PM5342 SPECTRA-155 REFERENCE DESIGN REFERENCE DESIGN PMC-970285 ISSUE SONET/SDH NODE OPTICAL INTERFACE NETWORK REFERENCE DESIGN (SNOW BOARD) configured come from either System Interface Ring Expansion Interface. Table below more detail description these signals. Table Interface Signals application Signal Name DS3RICLK[1] Input DS3RICLK[2] DS3RICLK[3] DS3ROCLK[1] DS3ROCLK[2] DS3ROCLK[3] DS3RDAT[1] DS3RDAT[2] DS3RDAT[3] Output Output Output DS3TICLK[1] DS3TICLK[2] DS3TICLK[3] DS3RAIS[1] DS3RAIS[2] DS3RAIS[3] DS3TDAT[1] DS3TDAT[2] DS3TDAT[3] Input Input Input Description 44.928 receive clock Reserved input 44.928 receive clock 44.928 receive clock 44.736 output gapped clock 44.736 output gapped clock 44.736 output gapped clock Drop serial data Drop serial data Drop serial data Reserved Reserved Reserved 44.736 transmit clock 44.736 transmit clock 44.736 transmit clock receive insert receive insert receive insert serial data serial data serial data Reserved input Reserved input Reserved input Name DOCLK1 DDAT0 DDAT1 DDAT2 DDAT3 DDAT4 DDAT5 DDAT6 DDAT7 DDAT8 DDAT9 DDAT10 SYS_AICLK1 SYS_DAT0/AICLK2 SYS_DAT1/AICLK3 SYS_DAT2/DS3RAIS SYS_DAT3/DS3RAIS SYS_DAT4/DS3RAIS SYS_DAT5 SYS_DAT6 SYS_DAT7 SYS_ADAT8 SYS_ADAT9 SYS_ADAT10 PROPRIETARY CONFIDENTIAL PMC-SIERRA, INC., ITS. CUSTOMERS INTERNAL PM5342 SPECTRA-155 REFERENCE DESIGN REFERENCE DESIGN PMC-970285 ISSUE SONET/SDH NODE OPTICAL INTERFACE NETWORK REFERENCE DESIGN (SNOW BOARD) Signal Name GDAT0 Input GDAT1 Input GDAT2/ADMTOCLK1 Output GDAT3/ADMTOCLK2 Output GDAT4/ADMTOCLK3 Output GDAT5 Output GDAT6 Output SYS_DS3TAIS1 DS3TAIS[1] SYS_DS3TAIS1 SYS_DS3TAIS1 TCLK DS3TAIS[2] DS3TAIS[3] Output Name Description Reserved input Reserved input Reserved Reserved Reserved Reserved Reserved transmit insert transmit insert transmit insert Reserved PROPRIETARY CONFIDENTIAL PMC-SIERRA, INC., ITS. CUSTOMERS INTERNAL PM5342 SPECTRA-155 REFERENCE DESIGN REFERENCE DESIGN PMC-970285 ISSUE SONET/SDH NODE OPTICAL INTERFACE NETWORK REFERENCE DESIGN (SNOW BOARD) 10.3 Signal Selection Options This section contains system Ring Expansion Interface signal selection options seven operation modes SNOW board. Figure show SPECTRA-155 system signals connected system Ring Expansion Interface SNOW board each mode. Operator select their desired operation mode these figures interface signal reference application daughter board design. More detailed signal descriptions found either SPECTRA-155 Data Sheet previous sections this document. 10.3.1 BOperation signal selection options Bcan controlled programming `System Ring Expansion Interface Configuration register (FPGA register address 00H) 00H, 01H, 03H. further details refer Section 9.3, Table Figure Signal Selection Byte Serial Telecom Mode SNOW BOARD Micro Interface Signals SYS. CLOCK 19.44 TRANSMIT SECTION, LINE PATH ALARM INSERTION SIGNALS SYSTEM INTERFACE TXD+/SPECTRA-155 PM5342 DC1JIV1 DD[7:0]/DDP GD[1:0] GC1J1V1 GMFP DTPAIS[3:1] AC1J1V1 AD[7:0]/ADP RXD+/RECEIVE SECTION, LINE PATH ALARM DETECT SIGNALS RING EXPANSION INTERFACE PROPRIETARY CONFIDENTIAL PMC-SIERRA, INC., ITS. CUSTOMERS INTERNAL PM5342 SPECTRA-155 REFERENCE DESIGN REFERENCE DESIGN PMC-970285 ISSUE SONET/SDH NODE OPTICAL INTERFACE NETWORK REFERENCE DESIGN (SNOW BOARD) 10.3.2 NOperation signal selection options Ncan controlled programming `System Ring Expansion Interface Configuration register (FPGA register address 00H) 10H, 11H, 13H. further details refer Section 9.3, Table Figure Signal Selection Nibble Serial Telecom Mode SNOW BOARD Micro Interface Signals SYS. CLOCK 38.8 TRANSMIT SECTION, LINE PATH ALARM INSERTION SIGNALS SYSTEM INTERFACE TXD+/SPECTRA-155 PM5342 DC1JIV1 DD[3:0]/DDP GD[1:0] GC1J1V1 GMFP DTPAIS[3:1] AC1J1V1 AD[3:0]/ADP RXD+/RECEIVE SECTION, LINE PATH ALARM DETECT SIGNALS RING EXPANSION INTERFACE PROPRIETARY CONFIDENTIAL PMC-SIERRA, INC., ITS. CUSTOMERS INTERNAL PM5342 SPECTRA-155 REFERENCE DESIGN REFERENCE DESIGN PMC-970285 ISSUE SONET/SDH NODE OPTICAL INTERFACE NETWORK REFERENCE DESIGN (SNOW BOARD) 10.3.3 SOperation signal selection options Scan controlled programming `System Ring Expansion Interface Configuration register (FPGA register address 00H) 21H. further details refer Section 9.3, Table Figure Signal Selection Serial Telecom Mode SNOW BOARD Micro Interface Signals TRANSMIT SECTION, LINE PATH ALARM INSERTION SIGNALS SYSTEM INTERFACE SDCK[3:1] SDC1JIV1[3:1] SDPL[3:1] SDD[3:1] TXD+/SPECTRA-155 PM5342 RXD+/RECEIVE SECTION, LINE PATH ALARM DETECT SIGNALS SACK[3:1] SAPL[3:1] SAC1J1V1[3:1] SAD[3:1] SDTPAIS[3:1] RING EXPANSION INTERFACE PROPRIETARY CONFIDENTIAL PMC-SIERRA, INC., ITS. CUSTOMERS INTERNAL PM5342 SPECTRA-155 REFERENCE DESIGN REFERENCE DESIGN PMC-970285 ISSUE SONET/SDH NODE OPTICAL INTERFACE NETWORK REFERENCE DESIGN (SNOW BOARD) 10.3.4 Operation signal selection options controlled programming `System Ring Expansion Interface Configuration register (FPGA register address 00H) 31H. further details refer Section 9.3, Table Figure Signal Selection Byte Serial Datacom Mode SNOW BOARD Micro Interface Signals TRANSMIT SECTION, LINE PATH ALARM INSERTION SIGNALs SYSTEM INTERFACE TXD+/SPECTRA-155 PM5342 DMROCLK DMRDAT[7:0] DMTOCLK RXD+/RECEIVE SECTION, LINE PATH ALARM DETECT SIGNALS DMTICLK DMTDAT[7:0] RING EXPANSION INTERFACE PROPRIETARY CONFIDENTIAL PMC-SIERRA, INC., ITS. CUSTOMERS INTERNAL PM5342 SPECTRA-155 REFERENCE DESIGN REFERENCE DESIGN PMC-970285 ISSUE SONET/SDH NODE OPTICAL INTERFACE NETWORK REFERENCE DESIGN (SNOW BOARD) 10.3.5 Operation signal selection options controlled programming `System Ring Expansion Interface Configuration register (FPGA register address 00H) 41H. further details refer Section 9.3, Table Figure Signal Selection Nibble Serial Datacom Mode SNOW BOARD Micro Interface Signals TRANSMIT SECTION, LINE PATH ALARM INSERTION SIGNALS SYSTEM INTERFACE TXD+/SPECTRA-155 PM5342 DMROCLK DMRDAT[3:0] DMTOCLK RXD+/RECEIVE SECTION, LINE PATH ALARM DETECT SIGNALS DMTICLK DMTDAT[3:0] DMTMSN TCLK RING EXPANSION INTERFACE PROPRIETARY CONFIDENTIAL PMC-SIERRA, INC., ITS. CUSTOMERS INTERNAL PM5342 SPECTRA-155 REFERENCE DESIGN REFERENCE DESIGN PMC-970285 ISSUE SONET/SDH NODE OPTICAL INTERFACE NETWORK REFERENCE DESIGN (SNOW BOARD) 10.3.6 Operation signal selection options controlled programming `System Ring Expansion Interface Configuration register (FPGA register address 00H) 51H. further details refer Section 9.3, Table Figure Signal Selection Serial Datacom Mode SNOW BOARD Micro Interface Signals TRANSMIT SECTION, LINE PATH ALARM INSERTION SIGNALS SYSTEM INTERFACE TXD+/SPECTRA-155 PM5342 SDMROCLK[3:1] SDMRDAT[3:1] SDMTOCLK[3:1] RXD+/RECEIVE SECTION, LINE PATH ALARM DETECT SIGNALS SDMTICLK[3:1] SDMTDAT[3:1] RING EXPANSION INTERFACE PROPRIETARY CONFIDENTIAL PMC-SIERRA, INC., ITS. CUSTOMERS INTERNAL PM5342 SPECTRA-155 REFERENCE DESIGN REFERENCE DESIGN PMC-970285 ISSUE SONET/SDH NODE OPTICAL INTERFACE NETWORK REFERENCE DESIGN (SNOW BOARD) 10.3.7 Operation signal selection options mode controlled programming `System Ring Expansion Interface Configuration register (FPGA register address 00H) 61H. further details refer Section 9.3, Table Figure Signal Selection Mode SNOW BOARD Micro Interface Signals TRANSMIT SECTION, LINE PATH ALARM INSERTION SIGNALS SYSTEM INTERFACE TXD+/SPECTRA-155 PM5342 DS3ROCLK[3:1] DS3RDAT[3:1] DS3RICLK[3:1] RXD+/RECEIVE SECTION, LINE PATH ALARM DETECT SIGNALS DA3TICLK[3:1] DS3TDAT[3:1] DS3TAIS[3:1] RING EXPANSION INTERFACE PROPRIETARY CONFIDENTIAL PMC-SIERRA, INC., ITS. CUSTOMERS INTERNAL PM5342 SPECTRA-155 REFERENCE DESIGN REFERENCE DESIGN PMC-970285 ISSUE SONET/SDH NODE OPTICAL INTERFACE NETWORK REFERENCE DESIGN (SNOW BOARD) APPENDIX SCHEMATICS NOTE:The Schematic Sheet "Microcontroller" errors. pull down resisters R108, R120 R121 should connected ADDR address They must instead connected DATA respectively. These errors also reflected layout. modifications must done before board used. attached schematics arranged following order: SNOW board schematics Sheet Sheet Sheet Sheet Sheet Sheet Sheet Sheet Sheet Sheet Sheet Sheet Sheet Sheet Sheet Spectra root size PDF) SPECTRA-155 size PDF) Optics size PDF) Microcontroller size PDF) Sheet RS232 size PDF) Memory size PDF) WANCircuitry FPGA size PDF) System Interface Micro size PDF) System Interface Drop size PDF) System Interface size PDF) System Interface Connector size PDF) Ring Expansion Interface size PDF) Ring Expansion Interface Other recent searchesX02xxxN - X02xxxN X02xxxN Datasheet TMS370 - TMS370 TMS370 Datasheet PNA4613M00YB - PNA4613M00YB PNA4613M00YB Datasheet LBN14047 - LBN14047 LBN14047 Datasheet ISL6523 - ISL6523 ISL6523 Datasheet DS1881 - DS1881 DS1881 Datasheet DS1808 - DS1808 DS1808 Datasheet CMPT651 - CMPT651 CMPT651 Datasheet
Privacy Policy | Disclaimer |