ADMC331 Single-Chip DSP-Based Controller. 12.96 crystal provide CLKIN

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ADMC331 Single-Chip DSP-Based Controller. 12.96 crystal provide CLKIN

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ADMC331 PROCESSOR BOARD
ADMC331 Single-Chip DSP-Based Controller. 12.96 crystal provide CLKIN frequency. power-on reset circuit based ADM709 that used provide reset signal ADMC331 UART communications port. push button also provided initiate processor system reset. socket serial memory device (ROM E2PROM) that used serial boot loading power stand alone operation. isolated UART interface Motion Control Debugger. signals optically isolated from remainder processor board. AD7306 used drive appropriate signals 9-way UART connector. input power supply connector. board dc-dc converter that provides isolated supply UART interface circuit. Analog interface circuitry. Jumpers that permit setting polarity, enabling disabling PWMTRIP input, enabling disabling switch reluctance mode enabling disabling serial memory device socket. Three socket blocks underneath processor board that permit access input output signals interest. three sockets comprise digital sockets (IF1 IF3) analog socket (IF2).
ADMC331 PROCESSOR BOARD compact, highly flexible evaluation development board cost, single-chip DSP-based motor controller, ADMC331. device provides following significant features: MIPS, Fixed-Point, 16-bit Core. Internal Program Data Memory RAM. Internal Program Memory ROM, offering Debugger Interface Pre-Programmed Math Motor Control Functions. Seven Analog input channels. Three-Phase, 16-bit Generator, with single double update modes. General Purpose Lines, Configurable Inputs Outputs. Synchronous Serial Ports. programmable, 8-Bit, Auxiliary Outputs. 16-Bit Watchdog Timer. General Purpose, Interval Timer with Prescaler.
Refer ADMC331 datasheet full description features technical specifications ADMC331. ADMC331 PROCESSOR BOARD intended compact, highly-integrated evaluation software development platform ADMC331 controller. processor board permits access through UART connection Motion Control Debugger software that operates under Windows 95or Windows NTTM. Motion Control Debugger used download executable code, examine contents registers, program memory data memory, executable modules, breakpoints enable single-step operation. processor board designed compact size that relevant input output signals brought three connector headers underneath board. processor board contains following features components:
ADMC331 PROCESSOR BOARD operate stand-alone mode, where user must supply only appropriate power supply voltage either UART connection Motion Control Debugger suitable serial memory device. this case, user must provide suitable connectors interface various input output signals expansion connectors underneath board. Alternatively, processor board plugged into ADMC CONNECTOR BOARD. connector board provides easy access relevant input output signals appropriate connectors terminal blocks. connector board also provides
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Motion Control Group, Analog Devices, 1998
Analog Devices, Inc., 1998
ADMC331 PROCESSOR BOARD
easy interface International Rectifier PowIRtrainmodules permit development complete motor control solutions. addition, connector board adds functionality including 8channel, 10-bit, serial DAC, large prototype area system expansion. Refer documentation ADMC CONNECTOR BOARD further details.
FUNCTIONAL DESCRIPTION PROCESSOR BOARD
complete schematics ADMC331 Processor Board provided this document. Refer these schematics exact description functionality processor board. This section intended functional description only major elements board.
POWER SUPPLY REQUIREMENTS
ADMC331 processor board contains 2-way terminal block connection external power supplies. correct operation, following supplies required: 10%, (VDD) Ground UART Interface UART interface Motion Control Debugger provided ADMC331 PROCESSOR BOARD 9-way D-type connector (P1). order separate ADMC331 power conversion stage used complete motor drive system, UART interface optically isolated from remainder processor board. Motion Control Debugger communicates through serial port (SPORT1) ADMC331 using DR1B pins. addition, ADMC331 reset signal (ICRESET) sent UART interface ensure that processor board reset detected Motion Control Debugger. three signals, DR1B, ICRESET optically isolated using HCPL0630 dual isolators U6). signals ICRESET considered outputs these signals sent from processor board debugger. These signals applied opto-isolator. Conversely, signal DR1B considered input received processor board. This signal isolated using second isolator secondary supply optical isolators produced processor board NME0505S power supply (isolated dc-dc converter). ADMC331 PROCESSOR BOARD also contains AD7306 transceiver (U7) that converts signals appropriate levels suitable UART connection standard serial cable used connect from 9-way female socket processor board appropriate port baud rate port used from ADMC331 Comm Config software that part Motion Control Debugger. functional block diagram UART interface circuit shown Figure direction three
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supply powers digital logic circuits processor board, including ADMC331 controller. addition, used analog voltage supply ADMC331 input dc-dc converter that provides isolated supply UART interface. processor board laid with separate analog digital ground planes that connected link (JP1) close power supply terminal block noise immunity. This link should removed. processor board indicates correct connection supply. Appropriate decoupling capacitors provided processor board power supply input (VDD) reduce noise coupling from external power supply. However, best performance, well-regulated external power supplies correct wiring recommended. arrangement input power supply connector illustrated Figure
Figure Power Supply Connector ADMC331 Processor board. REV.
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ADMC331 PROCESSOR BOARD
signals indicated figure. Refer full schematics this document full circuit. Recall that secondary supply optical isolators AD7306 derived processor board isolated dc-dc converter, NME0505S (U1).
application. this reason, processor board contains 8-pin socket (U3) installation serial memory device that used boot load program data memory ADMC331. Either one-time programmable serial device, such XC1765D Xilinx, electrically erasable device, such AT17C65 E2PROM from Atmel, recommended. both cases, application executable file converted form suitable serial memory devices using MAKEPROM utility that installed part Motion Control Debugger. both memory devices, three-wire connection SPORT1 ADMC331 used. illustration connection serial memory device ADMC331 shown Figure connection 12.96 crystal associated capacitors also shown figure.
ADMC331
AD7306
OPTO
RESET
Debugger
OPTO
DR1B
Figure Functional Block Diagram UART Interface Motion Control Debugger ADMC331 PROCESSOR BOARD.
ADMC331
Power Reset Circuit ADMC331 PROCESSOR BOARD contains power reset (POR) based ADM709 (U4). ADM709 generates RESET pulse duration whenever brought below threshold value. This pulse occurs automatically power applied directly RESET ADMC331 reset device. addition, ADMC331 reset pressing push button that causes voltage level brought below threshold. Resistor capacitor limit rise voltage pin. RESET signal also UART interface, described previously, permit Motion Control Debugger detect system reset.
XTAL CLKOUT CLKIN 12.96
DR1A SCLK1 RESET RFS1 DATA RESET
SERIAL E2PROM
Figure Connection serial memory (ROM E2PROM) crystal ADMC331.
Serial Interface normal program development, envisaged that Motion Control Debugger would used download executable code ADMC331 PROCESSOR BOARD. However, program development stabilizes, required operate processor board stand-alone mode target
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DATA line serial memory device connected DR1A ADMC331. RESET line memory connected RFS1 ADMC331 line memory driven SCLK1 ADMC331. Following activation RESET ADMC331, RFS1 pulsed reset serial memory device. Subsequently, data clocked synchronously into ADMC331 from memory device rate CLKOUT/20 MB/s processor board with 12.96 crystal). serial memory device present, ADMC331 automatically converts UART communication mode.
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ADMC331 PROCESSOR BOARD
chip enable line (CEB) serial memory device tied jumper (JP4) processor board. This jumper used either GND. order enable serial memory device socket, necessary this (position 23). Conversely, SROM E2PROM left socket disabled tying (position 1-2). programming serial memory device pulled high processor board disable this feature. However, this also connected (pin IF1B) interface connector underneath processor board. This enables this pulled external hardware that writing E2PROM would possible. Obviously, necessary respect particular operational requirements chosen serial E2PROM such feature attempted.
Permit enabling/disabling PWMTRIP input (JP6). settings three jumpers described Table Connecting position connects analog input channel VAUX3 external analog input. other hand, connecting position connects VAUX3 VREF. Connecting position ties PWMSR ADMC331 disables switch Reluctance mode. other hand, connecting position ties PWMSR ADMC331 enables switch reluctance mode. Connecting position ties chip enable (CEB) serial memory socket (U4) disables memory device. serial memory device required, jumper must placed position enable memory. Connecting position ties PWMPOL ADMC331 enables active outputs. other hand, connecting position creates active outputs from ADMC331. appropriate setting this jumper determined exact nature gate drive circuit target system. PWMPOL also connected interface connector that state detected altered external hardware. Connecting jumper position ties PWMTRIP ADMC331 permanently enables outputs. other hand, connecting jumper position connects PWMTRIP ADMC331 corresponding interface connector. External hardware used derive appropriate signal this pin. link that connects analog digital ground planes processor board together. correct operation, this link must removed.
Analog Interface ADMC331 PROCESSOR BOARD permits seven analog inputs applied ADMC331 interface connector. There stage passive anti-aliasing pass filter input each converter channels. filter values 3.3nF which give frequency 5kHz. external capacitor, charged constant current source, required socket generate reference ramp voltage (0.3-3.3V). jumper connects analog input channel VAUX3 either external analog input, through filter VREF ADMC331.
Jumper Settings ADMC331 PROCESSOR BOARD contains five jumpers that: Permit selection ADMC331 VREF external analog input VAUX3 (JP2) Permit enabling/disabling Switch Reluctance mode (JP3). Permit enabling/disabling SROM/E2PROM socket (JP4). Permit selection polarity (JP5).
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ADMC331 PROCESSOR BOARD
Jumper
Position
Function
Connects external analog input VAUX3 Connects VREF VAUX3 Disables PWMSR mode. Enables PWMSR mode. Disable SROM/E2PROM Enable SROM/E2PROM Outputs Active Outputs Active Enable PWMTRIP connector Disable PWMTRIP input
Table Jumper settings ADMC331 PROCESSOR BOARD.
Interface Connectors order create compact evaluation development board possible, input output signals brought three interface connectors underneath processor board. connectors (IF1 IF3) dedicated digital signals third (IF2) reserved analog signals. This three connector interface will used future processor boards future motion control products from Analog Devices. Therefore, many pins connectors ADMC331 PROCESSOR BOARD unconnected (n/c). These pins reserved other functions future products. Interface connectors both 3-way connectors. Connector 3-way pins. exact connections this interface seen schematics this document. connections tabulated connector Table connector Table connector Table
IF1A Signal SCLK0 TFS0 RFS0
IF1B Signal SCLK1 TFS1 RFS1 DR1A DR1B E2PROG
IF1C Signal
ICRESET
CLKOUT
Table Definition digital interface connector ADMC331 PROCESSOR BOARD.
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IF2A Signal VIN1 VIN2 VIN3 VIN4 VIN5 VIN6 VIN7 VREF
IF2B Signal
IF2C Signal
IF3A Signal
PWMSYNC PWMPOL
IF3B Signal
PWMTRIP
IF3C Signal
PWMSR
AUX0 PIO0 PIO3 PIO6
PIO9 PIO12 PIO15 PIO18 PIO21
AUX1 PIO1 PIO4 PIO7 PIO10
PIO13 PIO16 PIO19 PIO22
CLKOUT
PIO2 PIO5 PIO8
PIO11 PIO14 PIO17 PIO20 PIO23
Table Definition analog interface connector ADMC331 PROCESSOR BOARD.
Table Definition digital interface connector ADMC331 PROCESSOR BOARD
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description various connections three interface connectors given Table Signal(s) ICRESET SCLK0, TFS0, RFS0, DT0, SCLK1, TFS1, RFS1, DR1A, DR1B, E2PROG VIN1 VIN7 VREF PWMSYNC
PWMTRIP
Function power supply Ground Reset ADMC331 SPORT0 pins ADMC331
NME0505S dc/dc converter ADMC331 Controller SROM/E2PROM socket ADM709MAR Power Reset HCPL0630 Opto-isolator HCPL0630 Opto-isolator AD7306JR Transceiver
Table Main integrated circuits ADMC331 PROCESSOR BOARD.
SPORT1 pins ADMC331 E2PROM programming Analog inputs Reference voltage output TTL-level outputs PWMSYNC pulse ADMC331 PWMTRIP ADMC331 polarity ADMC331 switch reluctance ADMC331 Dedicated programmable input/outputs ADMC331 TTL-level CLKOUT signal TTL-level auxiliary outputs
PWMPOL
PWMSR
PIO0 PIO23 CLKOUT AUX0, AUX1
Table Function signals interface connectors ADMC331 PROCESSOR BOARD.
Components, Placement Schematics various integrated circuits ADMC331 PROCESSOR BOARD tabulated Table board layout circuit schematics shown following pages.
Designator
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Integrated circuit
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ADMC331 PROCESSOR BOARD
ADMC331BST
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VDD1 DGND1
VDD1
VAUX0
NME0505S
PIO23 PIO22 PIO21 CON2
10uF
0.1uF
CON2
RN1A
VAUX1
VIN1
VAUX2 VAUX3
6.8V
RN1B
3.3nF
SCLK0 0.1uF RFS0 TFS0
LINK
VIN2
HEADER
VREF
6.8V
RN1C
3.3nF
VIN3
VREF
DISABLED ENABLED
VAUX3
VAUX2
VAUX1
VAUX0
SGND
ICONST
CAPIN
AGND
PIO23
PIO22
PIO21
SCLK0
RFS0
TFS0
6.8V
RN1D
3.3nF
VAUX0
HEADER
VIN4
PWMSR
VREF AVDD PIO9 PIO8 PIO7 PIO6 PIO5 PIO4 PIO3 PIO2 PIO1 PIO0 AUX1 AUX0 PIO10 PIO11 PWMTRIP PWMSYNC PWMSR SCLK1 DR1B DR1A RFS1 TFS1
PWMSR SCLK1 DR1B DR1A SCLK1
6.8V
RN1E
3.3nF
0.1uF PIO9 PIO8 PIO7 PIO6
RFS1
VIN5
VAUX1
AT17C65
CEOB
EEPROG
6.8V
RN1F
3.3nF
RFS1 TFS1
4.7K
DATA RESETB
0.1uF
VIN6
PIO5 VAUX2 PIO4 PIO3 PIO2
ADMC331BST
CLKOUT PIO20 PIO19 RESET PWMPOL CLKIN XTAL
6.8V
RN1G
3.3nF
CLKOUT PIO20 PIO19 0.1uF
ICRESET
RESET
VIN7
PIO1 VAUX3 PIO0 AUX1 AUX0 PIO10 PIO11 0.1uF
RESET
6.8V
3.3nF
ADM709MAR
10nF
10.0MHz 20pF 20pF
ACTIVE HIGH ACTIVE
VDD1
PWMTRIPB
ENABLE DISABLE
0.1uF
PIO12
PIO13
PIO14
PIO15
PIO16
PIO17
PIO18
POLARITY
PWMPOL R2OUT
DR1B
TRIPVDD 0.1uF 0.1uF PIO12 PIO13 PWMSYNC PIO14 PIO15 PIO16 PIO17 PIO18
HCPL0630
VDD1
0.1uF T1IN RESET DETECT
ICRESET
HCPL0630
C1R2IN T1OUT T2OUT R1IN(B) R1IN/R1IN(A) T3OUT(B) T3OUT(A) VC2C2+ R2OUT T1IN T2IN R1OUT T3IN 232/422SEL Title ADMC331 PROCESSOR BOARD Size Date: Document Number {Doc} Wednesday, February 1998 Sheet
VDD1 VDD1
0.1uF
0.1uF DGND1 0.1uF
R2OUT T1IN RESET DETECT
0.1uF
UART CONN
VDD1 0.1uF
AD7306BR
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IF1A
ADMC331 PROCESSOR BOARD
IF1C
IF1B
ICRESET IF2A CLKOUT
IF2B VIN1 VIN2 VIN3 VIN4 VIN5 VIN6 VIN7
IF2C
SCLK0 TFS0 RFS0
SCLK1 TFS1 RFS1 DR1A DR1B EEPROG
INTERFACE30X3
INTERFACE30X3
INTERFACE30X3
IF3A
IF3B PWMSYNC PWMPOL
IF3C
VREF
PWMTRIPB
PWMSR
INTERFACE24X3
CLKOUT
INTERFACE24X3
INTERFACE24X3
AUX0
AUX1
PIO0 PIO3 PIO6 PIO9 PIO12 PIO15 PIO18 PIO21
PIO1 PIO4 PIO7 PIO10 PIO13 PIO16 PIO19 PIO22
PIO2 PIO5 PIO8 PIO11 PIO14 PIO17 PIO20 PIO23
INTERFACE30X3
INTERFACE30X3
INTERFACE30X3
Title ADMC331 PROCESSOR BOARD Size Date: Document Number {Doc} Thursday, January 1998 Sheet
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ADMC331 Single-Chip DSP-Based Controller. 12.96 crystal provide CLKIN

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