ADCMC300 PROCESSOR BOARD compact, highly flexible evaluation developme

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ADCMC300 PROCESSOR BOARD compact, highly flexible evaluation developme

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ADMC300 PROCESSOR BOARD
ADCMC300 PROCESSOR BOARD compact, highly flexible evaluation development board high-performance single-chip DSP-based servo motor controller, ADMC300. ADMC300 motor controller 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. Five, Independent, 12-bit, Sigma-Delta Analog Digital Converters. Three-Phase, 16-bit, Center-Based Generator. Encoder Interface Unit with Companion Encoder Event Timer. General Purpose Lines, Configurable Inputs, Outputs, Interrupts Sources Trip Sources. Two-Channel Event Timer Unit. Peripheral Interrupt Controller. Synchronous Serial Ports. Fixed-Frequency, 8-Bit, Auxiliary Outputs. 16-Bit Watchdog Timer. General Purpose, Interval Timer with Prescaler.
processor board designed compact size that relevant input output signals brought three connector headers underneath board. processor board contains following features components: ADMC300 Single-Chip DSP-Based Controller. crystal associated capacitors provide CLKIN frequency. power-on reset circuit based AD709 that used provide reset signal ADMC300 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 that accepts +5V, +15V, -15V GND. used drive digital circuits analog portion ADMC300. +15V -15V supplies used analog interface circuits processor board. board dc-dc converter that provides isolated supply UART interface circuit. Analog interface circuits that correctly offset analog input signals inputs ADMC300. Five independent analog interface circuits included; each channel ADMC300. ADG408 eight-to-one line multiplexer that used multiplex eight analog inputs board into ADC5 channel ADMC300. board precision 2.5V voltage reference using AD780, that provides input reference ADCs ADMC300. reference voltage also buffered brought connector underneath board.
Refer ADMC300 datasheet full description features ADMC300. ADMC300 PROCESSOR BOARD intended compact, highly-integrated evaluation software development platform ADMC300 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.
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Motion Control Group, Analog Devices, 1998
Analog Devices, Inc., 1998
ADMC300 PROCESSOR BOARD
Jumpers that permit setting polarity, enabling disabling PWMTRIP input 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).
processor board laid with separate analog digital ground planes that connected link (JP4) close power supply terminal block noise immunity. This link should removed. processor board indicates correct connection supply. +AVDD -AVDD supplies power operational amplifiers used analog interface section. These amplifiers correctly offset analog inputs board interface inputs ADMC300. Appropriate decoupling capacitors provided processor board three power supply inputs (VDD, +AVDD -AVDD) reduce noise coupling from external power supplies. However, best performance, well-regulated external power supplies correct wiring recommended. arrangement input power supply connector illustrated Figure
ADMC300 PROCESSOR BOARD operate stand-alone mode, where user must supply only appropriate power supply voltages 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 easy interface International Rectifier PowIRtrainmodules permit development complete motor control solutions. addition, connector board adds functionality including 8channel, 12-bit, serial DAC, differential line receiver interface incremental encoder with differential outputs, large prototype area system expansion. Refer documentation ADMC CONNECTOR BOARD further details.
-AVDD (-15 +AVDD (+15
POWER SUPPLY REQUIREMENTS
ADMC300 processor board contains 4-way terminal block connection external power supplies. correct operation, following supplies required: (VDD) +15V 10%, (+AVDD) -15V 10%, (-AVDD) Ground
Figure Power Supply Connector ADMC300 Processor Board.
FUNCTIONAL DESCRIPTION PROCESSOR BOARD
complete schematics ADMC300 Processor Board provided this document. Refer these schematics exact description functionality processor board. This section intended functional description only major elements board. UART Interface
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supply powers digital logic circuits processor board, including ADMC300 controller. addition, used analog voltage supply ADMC300 input dc-dc converter that provides isolated supply UART interface.
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ADMC300 PROCESSOR BOARD
ADMC300
UART interface Motion Control Debugger provided ADMC300 PROCESSOR BOARD 9-way D-type connector (P1). order separate ADMC300 power conversion stage used complete motor drive system, UART interface optically isolated from remainder processor board. Motion Control Debugger communicates through serial port (SPORT1) ADMC300 using DR1B pins. addition, ADMC300 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). ADMC300 PROCESSOR BOARD also contains AD7306 transceiver 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 ADMC300 Comm Config software that part Motion Control Debugger. functional block diagram UART interface circuit shown Figure direction three 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 (U9).
AD7306
OPTO
RESET
Debugger
OPTO
DR1B
Figure Functional Block Diagram UART Interface Motion Control Debugger ADMC300 PROCESSOR BOARD.
Power Reset Circuit ADMC300 PROCESSOR BOARD contains power reset (POR) based ADM709 (U2). AD709 generates RESET pulse duration whenever brought below threshold value. This pulse occurs automatically power applied directly RESET ADMC300 reset device. addition, ADMC300 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. Serial Interface normal program development, envisaged that Motion Control Debugger would used download executable code ADMC300 PROCESSOR BOARD. However, program development stabilizes, required operate processor board stand-alone mode target application. this reason, processor board contains 8-pin socket (U4) installation serial memory device that used boot load program data memory ADMC300. Either one-time programmable serial device, such XC17128D Xilinx, electrically erasable device, such AT17C128 E2PROM from Atmel, recommended. both cases, application executable file converted form suitable
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serial memory devices using MAKEPROM utility that installed part Motion Control Debugger. both memory devices, three-wire connection SPORT1 ADMC300 used. illustration connection serial memory device ADMC300 shown Figure connection crystal associated capacitors also shown figure.
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. Clearly, this programming feature applicable only E2PROMs one-time programmable serial ROMs. Reference Voltage Generation
ADMC300
XTAL CLKOUT CLKIN
DR1A SCLK1 RESET RFS1/SROM DATA RESET
SERIAL E2PROM
Figure Connection serial memory (ROM E2PROM) crystal ADMC300.
ADMC300 PROCESSOR BOARD contains precision reference, AD780 (U1), that used input reference ADMC300 pins REFINA REFINB). reference voltage also used analog interface circuitry center input analog voltage appropriate level application channels ADMC300. addition, reference voltage level buffered (op-amp U10C) analog interface connector (pin IF2A), underneath processor board, where used external circuitry. Analog Interface ADMC300 PROCESSOR BOARD permits twelve analog inputs from interface connector five channels ADMC300. Four analog inputs, VIN1 VIN4, interface connector applied channels ADC1 ADC4 respectively. remaining eight analog inputs, VIN5 VIN12, applied eight line multiplexer, ADG408 (U7) processor board. These signals multiplexed into fifth channel, ADC5, ADMC300 under control three multiplexer control lines, MUX0, MUX1 MUX2, ADMC300. twelve analog inputs interface connector range from +2V. There separate interface circuit each five channels ADMC300 included processor board. These analog interface circuits convert signals interface connector signals centered reference voltage level ranging from analog interface circuits, consisting high-performance operational
DATA line serial memory device connected DR1A ADMC300. RESET line memory connected RFS1 SROM ADMC300 line memory driven SCLK1 ADMC300. Following activation RESET ADMC300, RFS1 SROM pulsed reset serial memory device. Subsequently, data clocked synchronously into ADMC300 from memory device rate CLKOUT/26 kB/s processor board with crystal). serial memory device present, ADMC300 automatically converts UART communication mode. chip enable line (CEB) serial memory device tied jumper (JP2) processor board. This jumper used tied either GND. order enable serial memory device socket, necessary this (position 2-3). Conversely, SROM E2PROM left socket disabled tying (position 1-2). programming serial memory device pulled high processor board disable this
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ADMC300 PROCESSOR BOARD
amplifiers precision resistor networks, effectively offset analog inputs reference voltage level. OP470 quad operational amplifiers used (U10 U11) analog interface configured summing unity-gain stages. Precision resistor networks (R12, R14) used input feedback resistors ensure accurate gain matching channels. addition, feedback capacitors used provide simple low-pass filtering with cut-off frequency analog inputs. 5.6V zener voltage clamp also provided output each analog interface. inputs ADMC300 configured single-ended mode. Therefore, inverting inputs ADMC300 (V1N V5N) tied directly external reference voltage level. operation amplifier interface stages provide appropriate signals non-inverting inputs V5). representation analog interface circuit channels shown Figure
ADG408 connected respectively +AVDD -AVDD. particular analog input ADC5 channel ADMC300 selected three control lines, MUX0, MUX1 MUX2, according logic Table These multiplexer control lines connected directly corresponding pins ADMC300. Following reset ADMC300, three output multiplexer control lines ADMC300 low, that VIN5 selected. state MUX0, MUX1 MUX2 lines changed, other analog inputs selected, writing appropriate bits ADCCTRL register ADMC300. Refer ADMC300 datasheet further details.
MUX2 MUX1 MUX0 Selected Input VIN5 VIN6 VIN7 VIN8 VIN9 VIN10 VIN11 VIN12
+AVDD
VIN1 VREF
Table Appropriate multiplexer control line state select appropriate analog input channel
OP470
Jumper Settings ADMC300 PROCESSOR BOARD contains three jumpers that: Permit selection polarity (JP1). Permit enabling/disabling SROM/E PROM socket (JP2). Permit enabling/disabling PWMTRIP input (JP3). settings three jumpers described Table Connecting position ties PWMPOL ADMC300 enables active outputs. other hand, connecting position creates active outputs from ADMC300. appropriate setting this jumper determined exact nature gate drive circuit target system. PWMPOL also connected interface connector that state detected altered external hardware.
-AVDD
Figure Configuration analog interface circuit ADMC300 PROCESSOR BOARD.
Analog Multiplexer ADMC300 PROCESSOR BOARD contains eight line analog multiplexer that used connect eight analog inputs board (VIN5 VIN12 analog interface connector IF2) fifth channel ADMC300. ADG408 (U7) takes eight inputs, VIN5 VIN12, directly from interface connector provides single selected analog output interface circuit identical Figure multiplexer permanently enabled since (pin tied VDD. analog supplies
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Connecting position, ties chip enable (CEB) serial memory socket (U4) disables memory device. serial memory device required, jumper must placed position enable memory. Connecting jumper position ties PWMTRIP ADMC300 permanently enables outputs. other hand, connecting jumper position connects PWMTRIP ADMC300 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. Jumper Position Function
Outputs Active Outputs Active Disable SROM/E2PROM Enable SROM/E2PROM Enable PWMTRIP connector Disable PWMTRIP input
schematics this document. connections tabulated connector Table connector Table connector Table
Table Jumper settings ADMC300 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 ADMC300 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
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IF1A Signal SCLK0 TFS0 RFS0
IF1B Signal SCLK1 TFS1 RFS1 DR1A DR1B E2PROG
IF1C Signal
Table Definition digital interface connector ADMC300 PROCESSOR BOARD.
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IF2A Signal VIN1 VIN2 VIN3 VIN4 VIN5 VIN6 VIN7 VIN8 VIN9 VIN10 VIN11 VIN12 +AVDD -AVDD VREF
IF2B Signal +AVDD -AVDD
IF2C Signal +AVDD -AVDD
IF3A Signal
PWMSYNC PWMPOL
IF3B Signal
PWMTRIP
PIO10/ ETU0
PIO11/ ETU1
IF3C Signal EIZP
PIO9/ CONVST CLKOUT
AUX0 MUX0 PIO0 PIO3 PIO6
PIO9/ CONVST
Table Definition analog interface connector ADMC300 PROCESSOR BOARD.
AUX1 MUX1 PIO1 PIO4 PIO7 PIO10/ ETU0
MUX2 PIO2 PIO5 PIO8
PIO11/ ETU1
Table Definition digital interface connector ADMC300 PROCESSOR BOARD.
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description various connections three interface connectors given Table Signal(s) +AVDD -AVDD SCLK0, TFS0, RFS0, DT0, SCLK1, TFS1, RFS1, DR1A, DR1B, E2PROG VIN1 VIN12 VREF PWMSYNC
PWMTRIP
Components, Placement Schematics various integrated circuits ADMC300 PROCESSOR BOARD tabulated Table board layout circuit schematics shown following pages. Designator Integrated circuit AD780BR Voltage Reference ADM709MAR Power Reset ADMC300 Controller SROM/E2PROM socket HCPL0630 Opto-isolator HCPL0630 Opto-isolator ADG408BR Multiplexer AD7306JR Transceiver NME0505S dc/dc converter OP470G Quad op-amp OP470G Quad op-amp
Function power supply Ground power supply power supply SPORT0 pins ADMC300
SPORT1 pins ADMC300 E2PROM programming analog inputs Buffered reference voltage output TTL-level outputs PWMSYNC pulse ADMC300 PWMTRIP ADMC300 polarity ADMC300 TTL-level encoder interface unit pins ADMC300 TTL-level encoder zero marker input ADMC300 Dedicated programmable input/outputs ADMC300 Multiplexed PIO9 external convert start signal Multiplexed PIO10 event timer input ETU0 Multiplexed PIO11 event timer input ETU1 TTL-level CLKOUT signal TTL-level auxiliary outputs TTL-level multiplexer control outputs ADMC300
PWMPOL EIA, EIZP PIO0 PIO8 PIO9/CONVST PIO10/ETU0 PIO11/ETU1 CLKOUT AUX0, AUX1 MUX0 MUX2
Table Main integrated circuits AMDC300 PROCESSOR BOARD.
Table Function signals interface connectors ADMC300 PROCESSOR BOARD.
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ADMC300BST
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0.1uF 0.1uF
ADMC300 PROCESSOR BOARD
+VIN TEMP 2.5V/3.5V VOUT TRIM
0.1uF
10nF
VREFEXT
DGND
VREFEXT
0.1uF 0.1uF
AD780BR
0.1uF
RESET 10nF
ACTIVE HIGH ACTIVE
ICRESET
RESET
0.1uF
AGND
AVDD
VREF
REFINA
REFINB
AVDD
AGND
AGND
AVDD
AVDD
EIZP RESET PWMPOL CLKIN XTAL CLKOUT DR1A DR1B RFS1 /SROM TFS1 SCLK1 PWMSYNC PWMTRIP
AGND PIO11 /ETU1 PIO10 /ETU0 PIO9 /CONVST PIO8 PIO7
PIO11/ETU1 PIO10/ETU0 PIO9/CONVST PIO8 PIO7 PIO6 PIO5
DGND
ADM709MAR
EIZP
PWMPOL
ADMC300BST
PIO6 PIO5 PIO4 PIO3 PIO2 PIO1 PIO0 AUX1 AUX0 MUX2
POL. 20pF
0.1uF
PIO4 PIO3 PIO2 PIO1 PIO0 AUX1 AUX0
12.0MHz
DR1A
CLKOUT 4.7K DR1B RFS1
AT17C128
DATA RESETB
20pF
0.1uF
DGND
0.1uF
CEOB
SCLK1
EEPROG DGND
RFS1
TFS1 SCLK1
0.1uF
HEADER
SCLK0
VDD1
0.1uF
RFS0
MUX0
MUX1
TFS0
0.1uF
DR1B RFS0 TFS0
MUX2 0.1uF 0.1uF MUX1 MUX0
R2OUT
HCPL0630
VDD1
DGND
SCLK0
PWMSYNC ICRESET MUX0 DISABLE ENABLE -AVDD VIN5 VIN6 VIN7
0.1uF T1IN RESET DETECT
MUX1 MUX2
HCPL0630
PWMTRIPB
C1R2IN T1OUT T2OUT R1IN(B) R1IN/R1IN(A) T3OUT(B) T3OUT(A) VC2C2+ R2OUT T1IN T2IN R1OUT T3IN 232/422SEL
VDD1 VDD1 4.7K 4.7K R2OUT T1IN RESET DETECT
VDD1 DGND1
HEADER
0.1uF
VIN9 VIN10 VIN11 VIN12 +AVDD
0.1uF
0.1uF
0.1uF DGND1 0.1uF
VIN8 VDD1
0.1uF
ADG408BR
UART CONN
VDD1 0.1uF
NME0505S
10uF
0.1uF
+AVDD -AVDD
CON4
LINK AD7306JR
Title ADMC300 PROCESSOR EVAL BOARD Size Date: Document Number {Doc} Friday, September 1997 Sheet
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47pF
R13A
47pF
R12A
-AVDD
-AVDD U11A
U10A
VIN1
R12C
OP470GS1
5.6V VIN3
R13C
VREFEXT
R12D
0.1uF
VREFEXT
R13D
+AVDD
+AVDD
47pF
47pF
R12E
R13E
-AVDD U10B
-AVDD U11B
VIN2
R12G
OP470GS1
5.6V VIN4
R13G
VREFEXT
R12H
VREFEXT
R13H
+AVDD
+AVDD
47pF
R14A
-AVDD
-AVDD U11C
U10C
VREFEXT
OP470GS1
R14C
R14D
+AVDD
VREFEXT
+AVDD
-AVDD
-AVDD U10D
OP470GS1
+AVDD
+AVDD
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VREF
R14B
R12F
R13F
R12B
0.1uF
R13B
0.1uF
5.6V
OP470GS2
0.1uF
5.6V
OP470GS2
5.6V
OP470GS2
U11D
OP470GS2
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IF1A
ADMC300 PROCESSOR BOARD
IF1C
IF1B
IF2A
IF2B VIN1 VIN2 VIN3 VIN4 VIN5 VIN6 VIN7 VIN8 VIN9 VIN10 VIN11 VIN12 +AVDD -AVDD VREF
IF2C
SCLK0 TFS0 RFS0
SCLK1 TFS1 RFS1 DR1A DR1B EEPROG
INTERFACE30X3
INTERFACE30X3
INTERFACE30X3
+AVDD -AVDD
+AVDD -AVDD
IF3A
IF3B PWMSYNC PWMPOL
IF3C
PWMTRIPB
EIZP
PIO10/ETU0 AUX0
PIO11/ETU1 AUX1
PIO9/CONVST CLKOUT
INTERFACE24X3
INTERFACE24X3
INTERFACE24X3
MUX0
MUX1
MUX2
PIO0 PIO3 PIO6 PIO9/CONVST
PIO1 PIO4 PIO7 PIO10/ETU0
PIO2 PIO5 PIO8 PIO11/ETU1
INTERFACE30X3
INTERFACE30X3
INTERFACE30X3
Title ADMC300 PROCESSOR EVAL BOARD Size Date: Document Number {Doc} Friday, September 1997 Sheet
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ADCMC300 PROCESSOR BOARD compact, highly flexible evaluation developme

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