Multifunction Card Interface Control Adapter Modem Ethernet Functions

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Multifunction Card Interface Control Adapter Modem Ethernet Functions

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PICA-M
Multifunction Card Interface Control Adapter Modem Ethernet Functions (PICA-M)
Rockwell
Rockwell Multifunction Card Interface Control Adapter Modem Ethernet Functions (PICA-M) provides functions necessary interface Rockwell RC144ACL/RC288ACL modem Ethernet controller Card Standard compliant bus. PICA-M device contains attribute memory decoding sets configuration status registers, modem interface Ethernet controller. Multiple function support includes programmable window size both modem Ethernet interfaces. interface external 512-byte Card Information Structure (CIS) memory also provided. This contains Card tuple information needed define functionality Card. Modem Function Support modem function contains Configuration Option Register, Configuration Status Register, Replacement Register, Event Register, 16-bit Base Register. Dedicated modem control status signals provided. addition, speaker input from audio analog-to-digital converter ring indicate input from telephone line interface supported. Ring indication handling support provided different methods. recommended method implements optional Event Indication Register statusing Card events. this approach, Ring indications registered Card status change process initiated. secondary method follows ExCA implementation approach whereby Ring indication directly routed status change signal pin. Ethernet Controller Function Support Ethernet controller function contains Configuration Option Register, Configuration Status Register, 16-bit Base Register. Dedicated control status signals provided support typical Ethernet controllers. Product Support Rockwell Card AccelerATorkits and/or Reference Designs available modem/Ethernet combination Cards. AccelerATorkits speed time market. Additional information available PICA-M Designer's Guide (Order 1091).
ExCA trademark Intel Corporation. AccelerATor trademark Rockwell International.
FEATURES
Interfaces host functions RC144ACL/RC288ACL modem Ethernet controller 8-bit modem card configuration registers Configuration Option Register Configuration Status Register Replacement Register Event Indication Register Base Register Base Register Selectable pass through Card audio data Supports ring handling methods Event Indication Register Ring Indicate pass-through Status Change Four 8-bit Ethernet controller card configuration registers Configuration Option Register Configuration Status Register Base Register Base Register Decodes Card addresses Provides chip selects modem, Ethernet controller, memory Programmable window size each function Supports unrestricted table access Supports power-down mode control 100-pin VQFP package volt operation power: (typical)
Data Sheet (Preliminary)
Order MD157 Rev. October 1995
PICA-M
Multifunction Card Interface Control Adapter Modem Ethernet
FUNCTIONAL INTERFACES
PICA-M provides attribute memory registers independent functions, modem Ethernet controller. Attribute Memory Interface host interfaces with PICA-M control receive status information from modem Ethernet controller separate sets card configuration registers contained attribute memory. Card Information Structure (CIS) also addressed attribute memory, contains information about Card features. host memory shown Table attribute memory registers Ethernet controller modem shown Table Table respectively. Address Decode Logic address decode logic controls access card configuration registers attribute memory, decodes valid accesses CIS, generates chip selects Ethernet controller modem, generates input acknowledge signal (-INPACK) host. Card Information Structure (CIS) table physically resides customer-provided programmable memory device such EEPROM that minimum capacity bytes (Table table provides host with Card specific information including card type, address range decoding capability, control requirements complete host link establishment with Card. Ethernet Function Card Configuration Registers Four single-byte PICA-M card configuration registers allow host configure, control, receive status from Ethernet controller PICA-M (Table Modem Function Card Configuration Registers single-byte PICA-M card configuration registers allow host configure, control, receive status from modem PICA-M (Table
TECHNICAL SPECIFICATIONS
HARDWARE INTERFACES
PICA-M provides hardware interfaces Card socket, memory, modem, telephone line interface, digital audio signal, Ethernet controller (Figure PICA-M signal assignments 100-pin VQFP package shown Figure Card Connector Interface 68-pin Card Connector (Socket) provides interface between host Card. PICA-M interface signals Card Connector bidirectional data lines (D0-D7), address input lines (A0-A15), control inputs (-RESETIN, -OE, -WE, -CE1, -CE2, -REG, -IORD), status outputs (-IREQ, -INPACK, IOIS16, -STSCHG), speaker output (SPKR). Modem Interface PICA-M-to-Modem Signals PICA-M connects directly modem. This interface includes modem chip select (-CSM), read (-MODEMRD), power down (-PWRDWNM), reset (-RESETOUTM) control signals modem ready (MRDY) interrupt request (IREQINM) status signals. ring indicate input signal (RINGIN) from telephone line interface also output modem (RINGOUTB). [Address (HA0-HA2) data lines (HD0-HD7) from Card Connector connect directly modem support data transfer between modem host.] Telephone Line Interface PICA-M receives ring indicate signal (RINGIN) from telephone line interface that host-selectably passed modem wake modem upon ring detection. Digital Audio Signal Interface PICA-M supports host -controlled pass-through digital audio input signal (SPKRIN) drive external speaker. Ethernet Interface PICA-M-to-Ethernet Signals PICA-M connects directly Ethernet controller. This interface includes Ethernet controller chip select (-CSE CSE), power down (-PWRDWNE PWRDWNE), reset (-RESETOUTE), disable EEPROM (-DISABLEEEP), 16-bit data select (-IO16E), address (A0OUT) control signals, interrupt request (IREQINE) status signal. [Address (HA0-HA4) data lines (HD0-HD15) from Card Connector connect directly Ethernet controller support data transfer between Ethernet controller host. addition, host read (-IORD), host write (-IOWR), chip select (-CE2), channel ready (IOCHRDY) signals connect directly from Card Connector Ethernet controller.]
POWER REQUIREMENTS ABSOLUTE LIMITS
PICA-M current power requirements listed Table Absolute limits shown Table
MD157
Multifunction Card Interface Control Adapter Modem Ethernet
PICA-M
PICA-M
HA1-HA4 HD0-HD15
ETHERNET CONTROLLER A1-A4 D0-D15 -CE2 ~IORD ~IOWR IOCHRDY
RESETOUTE CARD 68-PIN CONNECTOR HA0-HA15 HD0-HD15 IOCHRDY -HIORD -HIOWR -CE2 -RESET -INPACK -CE1 -REG -STSCHG -IREQ IOIS16 SPKR -CE2 RESETIN -INPACK -CE1 -REG -STSCHG -IREQ IOIS16 SPKR HA1-HA15 HD0-HD7 -CSCIS -CSCIS -IORD HA0-HA15 HD0-HD7 IREQINE -DISABLEEEP -CSE A0OUT PWRDWNE -PWRDWNE -IO16E
RESET ~DISEEP ~AEN PWRDWN ~PWRDWN ~EN16 ETHERNET INTERFACE
A0-A14 D0-D7
MODEM
~HWT HD0-HD7 HA0-HA2 IREQINM -MODEMRD -CSM MRDY RINGOUTB -RESETOU-PWRDWNM HINT ~HRD ~HCS READY RINGD -RES ~STPMODE SPKR TELEPHONE LINE INTERFACE TELEPHONE LINE
AUDIO SPKRIN SPKI
RINGIN
MD157F01
Figure PICA-M Hardware Interface Signals
MD157
PICA-M
Multifunction Card Interface Control Adapter Modem Ethernet
-PWRDWN -MODEMRD -CSM -INPACK -CE2 -CSE VCC2 A0OUT -CSCIS -CE1 -REG GND4
GND1 FEEDBACK3 RCIN3 IREQINM IREQINE GND2 RESETIN -DISABLEEEP SPKR SPKRIN -IORD VCC1 GND3
VCC6 -RESETOUTE -RESETOU-PWRDWNE -IO16E PWRDWNE RESETOUTE IOIS16 -IREQ VCC5 RCIN FEEDBACK1 RINGOUTB MRDY VCC4
-RESET GND6 -PWRDWNM -PDOUT RINGIN RINTO FEEDBACK2 RINTI -STSCHG GND5 VCC3
MD157F02
Figure PICA-M Assignments -Pin VQFP
Table Attribute Address
Address 0-3FEh (even bytes only) 400h-40Ch (even bytes only) 40Eh-41Eh (even bytes only) 420h-42Ch (even bytes only) 42Eh-43Eh (even bytes only) Allocation Ethernet Card Registers RESERVED Modem Card Registers RESERVED
Note: bytes within these ranges reserved.
MD157
Multifunction Card Interface Control Adapter Modem Ethernet
Table PICA-M Registers Ethernet Controller
Register Name Configuration Option Register (COR) Configuration Status Register (CSR) Base Register Base Register Address (Hex) SRESET LevIREQ DisEEP EnIREQ PwrDwn EnBase Intr
PICA-M
EnFunct IntrACK
Default Value
Window Size IOIs8
Least Significant Address Byte (A7-A0) Most Significant Address Byte (A15-A8)
Table PICA-M Registers Modem
Register Name Configuration Option Register (COR) Configuration Status Register (CSR) Replacement Register (PRR) Event Indication Register (IOEIR) Base Register Base Register Address (Hex) SRESET Changed LevIREQ SigChg Audio EnIREQ PwrDwn EnBase Intr RREADY EnFunct IntrAck RIEnab Default Value
Window Size CREADY RingEn RIEvt
Least Significant Address Byte (A7-A0) Most Significant Address Byte (A15-A8)
Table Current Power Requirements
Mode Normal Operation Current (ID) Typical Current (mA) Maximum Current (mA) 25°C Power (PD) Typical Power (mW) Maximum Power (mW) 25°C
Note: Test conditions: typical values; 5.25 maximum values.
Table Absolute Maximum Ratings
Parameter Supply Voltage Input Voltage Operating Temperature Range Storage Temperature Range Voltage Applied Outputs High Impedance (Off) State Symbol TSTG Limits -0.5 +7.0 -0.5 (VCC +0.5) +125 -0.5 (VCC 0.5) Units
MD157
PICA-M
Multifunction Card Interface Control Adapter Modem Ethernet
Information provided Rockwell International Corporation believed accurate reliable. However, responsibility assumed Rockwell International use, infringement patents other rights third parties which result from use. license granted implication otherwise under patent rights Rockwell International other than circuitry embodied Rockwell products. Rockwell International reserves right change circuitry time without notice. This document subject change without notice.
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Multifunction Card Interface Control Adapter Modem Ethernet Functions

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