SM702x User`s Manual
Contents
1. SM7025 signal SM7026 signal SM7027 signal 1 P3 0 P3 0 P3 0 P3 0 2 P3 1 P3 1 P3 1 P3 1 3 P3 2 P3 2 P3 2 P3 2 4 P3 3 P3 3 P3 3 P3 3 5 P3 4 P3 4 P3 4 P3 4 6 P3 5 P3 5 P3 5 P3 5 7 P3 6 P3 6 P3 6 P3 6 8 P3 7 P3 7 P3 7 P3 7 9 P0 4 P0 4 P0 4 P0 4 10 P0 5 P0 5 P0 5 P0 5 11 P0 6 PO 6 PO 6 PO 6 12 PO 7 PO 7 PO 7 PO 7 13 P1 0 P1 0 P1 0 P1 0 14 P1 1 P1 1 P1 1 P1 1 15 P1 2 P1 2 P1 2 P1 2 16 P1 3 P1 3 P1 3 P1 3 17 P1 4 P1 4 P1 4 P1 4 18 P1 5 P1 5 P1 5 P1 5 19 P1 6 P1 6 P1 6 P1 6 20 P1 7 P1 7 P1 7 P1 7 21 P2 0 P2 0 P2 0 P2 0 22 NC NC P2 1 P2 1 23 NC NC P2 2 P2 2 24 NC NC P2 3 P2 3 25 NC NC P2 4 P2 4 26 NC NC P2 5 P2 5 27 NC NC P2 6 P2 6 28 NC NC P2 7 P2 7 29 P4 0 P4 0 P4 0 P4 0 30 P4 1 P4 1 P4 1 P4 1 31 P4 2 P4 2 P4 2 P4 2 32 P4 3 P4 3 P4 3 P4 3 33 P4 4 P4 4 P4 4 P4 4 34 P4 5 P4 5 P4 5 P4 5 35 P4 6 P4 6 P4 6 P4 6 36 P4 7 P4 7 P4 7 P4 7 37 DGND DGND DGND DGND 38 DGND DGND DGND DGND CAUTION All signals on IO A and IO B connectors are directly pins of ADUC702x processor and NOT all the pins are 5V tolerant Users must take care that voltage on these pins shall never exceed 3 3V or Vref or 5V as the case maybe for individual pin as it may cause permanent damage to the module 4 1 3 X1 It is a 3 pin connector which has RS 232 signals Pin Signal 1 RS232 TXD 2 RS232 TXD 3 DGND SPJETPL All Rights Reserved www spjsyst2. com SM702x User s Manual 4 Connectors and Switches RST PGM ra IO B o IO A OO OO OO o OO OO ss OO OO na OO 0013 Yi 220 O oof SA OO fe 24 OO OO UL fr OO OO as B3 OO 0023 G 2220 O 00 dT LE Oo oa C4 Had HA C10 top sod Figure1 Component locations on SM7026 and SM7027 modules SPJETPL All Rights Reserved www spjsystems com Page 8 of 14 G SPJ Embedded Technologies Pvt Ltd www spjsystems com RST PGM IO B SDL RO X1 DB ADUC70 2A oga C7024 uuu com oe SE Joe C12 sl SM702x User s Manual IO A Figure2 pog locations on a and SM7025 modules 4 1 Connector description Locations of various connectors are shown in Figure 1 and Figure 2 SPJETPL All Rights Reserved www spjsystems com Page 9 of 14 DO 4 1 1 IO A SPJ Embedded Technologies Pvt Ltd SM702x User s Manual It is a 19 x 2 male header with it s pins protruding down from the bottom of module Many pins have same meaning across all 4 modules but some have different meaning as shown below Pin SM7024 signal SM7025 signal SM7026 signal SM7027 signal 1 5V 5V 5V 5V 2 VBAT VBAT VBAT V
3. 2 MHz 65 mA 5VDC speed 41 78 MHz Module includes crystal for main clock Default operating speed is 5 22MHz can be boosted to 41 78MHz using on chip PLL Alternatively external clock up to 44MHz can be supplied to module Module includes power on reset circuit as well as push button for manual reset All port pins up to 40 GPIO and JTAG pins available on connector All digital I O pins are 5V tolerant RS232 3 wire on separate connector useful for In System Programming or any other purpose Separate push button included for selecting ISP Program mode Other interfaces Two I2C configurable as Master or Slave SPI master or slave up to 3 48 MHz Module includes I2C compatible 64KB EEPROM AT24C512 for non volatile data storage Also includes I2C compatible RTC DS1338 Battery for RTC maybe connected externally Module connector has pins for connecting external battery 3VDC only Analog Inputs up to 16 ADC channels 12 bit resolution 1 Mega samples per second Default internal VREF is 2 5V external VREF from 0 625 to 3 3V can be applied On chip temperature sensor 3 C On chip voltage comparator Analog outputs up to 4 DAC channels 12 bit resolution Miscellaneous features 4 timers wakeup and watchdog timer power supply monitor 3 phase 16 bit PWM generator Programmable Logic Array PLA Compact footprint 35 mm X 45 mm Module has 2 through hole connectors 2 mm pitch male pins each with 38 pins 2 rows
4. BAT 3 3v3 3v3 3v3 3v3 4 AVDD AVDD AVDD AVDD 5 RS232 RXD RS232 RXD RS232 RXD RS232 RXD 6 RS232 TXD RS232 TXD RS232 TXD RS232 TXD 7 PO O PO O PO O PO O 8 NC NC PO 1 PO 1 9 NC NC PO 2 PO 2 10 PO 3 PO 3 PO 3 PO 3 11 NRST NRST NRST NRST 12 TDO TDO TDO TDO 13 TCK TCK TCK TCK 14 TDI TDI TDI TDI 15 TMS TMS TMS TMS 16 NC NC DAC3 ADC15 17 NC NC DAC2 ADC14 18 DAC1 ADC13 DAC1 ADC13 19 DACO ADC12 DACO ADC12 20 DAC VREF DAC VREF DAC VREF DAC VREF 21 ADCNEG ADCNEG ADCNEG ADCNEG 22 NC NC ADC11 ADC11 23 NC NC ADC10 ADC10 24 ADC9 ADC9 ADC9 ADC9 25 ADC8 ADC8 ADC8 ADC8 26 ADC7 ADC7 ADC7 ADC7 27 ADC6 ADC6 ADC6 ADC6 28 ADC5 ADC5 ADC5 ADC5 29 ADC4 ADC4 ADC4 ADC4 30 ADC3 ADC3 ADC3 ADC3 31 ADC2 ADC2 ADC2 ADC2 32 ADC1 ADC1 ADC1 ADC1 33 ADCO ADCO ADCO ADCO 34 VREF_INT VREF_INT VREF_INT VREF_INT 35 AGND AGND AGND AGND 36 AGND AGND AGND AGND 37 DGND DGND DGND DGND 38 DGND DGND DGND DGND SPJETPL All Rights Reserved www spjsystems com Page 10 of 14 SPJ Embedded Technologies Pvt Ltd SM702x User s Manual DO 4 1 2 IO B It is a 19 x 2 male header with it s pins protruding down from the bottom of module Many pins have same meaning across all 4 modules but some have different meaning as shown below Pin SM7024 signal
5. e See below mechanical drawing of the module Note that it is same for all 4 modules However pin connections of IO A and IO B connectors maybe different for different modules as described above You may design your PCB according to this mechanical drawing and the pin connections described above nn Zn Na OO CO DO i CO oo OO Om OO Om E OO om CO oo CO oo OO od g OO og A co Top Side OO sa els oo oo oo CO om CO om CO J OO OO od om Dual row berg strip SPJETPL All Rights Reserved www spjsystems com Page 14 of 14
6. ee ee ee 5 MODULE 3 OU NO 6 3 1 INS SEEN PROM TOP ke Re ee ipid ee De oe Ee sees Ge Ge GE eg Ge Ge Ge ee se ee oi ie ve ae eg Ged 6 3 2 AD VIE WE ER N OE OG EG GE 2 FEE Ee RE EE cE EG Eee eee TEP 7 CONNECTORS AND SWITCHES ccccccccscccscsccsccscssssscccsssssesscssssssssssssssscssssssscscsccces 8 4 1 CONNECTOR DESCRIPTION ees ee ese ee ee ee ee ee ee ee ee ee ee ee ee ee ee ee ee ee ee ee ee ee ee 9 AAT TO 7 se EE EE AE DE Ee EE ES GE Ee DE DE GE OD EG EG AE Ge AA De GE N ee ie 10 AND OSB 22 EE EE OE N OR ivsedawauteletiucainda dat ANEA 11 RA D E EENEN ANAS IEE EE N A A E A T 11 4 2 SWITCHES DESCRIPTION esse ee ee ee ee ee ee ee ee ee ee ee ee ee ee ee ee ee ee ee ee ee ee ee ee ee ee ee ee ee 12 4 2 RST ES RE Co SP Soe SOO A 12 4 2 2 PVE ME RE N EN EE EE OR N OE N EE 12 DOWNLOADING USER PROGRAM INTO MODULE AND RUNNING IT 13 USING SM702X MODULE IN YOUR HARDWARE ccccccccscssssscssscscssscscscscscsees 14 6 1 IF YOU USE EAGLE FOR SCHEMATIC CAPTURE AND PCB DESIGN sseecccceeeeceeeeeees 14 6 2 IF YOU USE SOME OTHER SOFTWARE ee ees se ee ee ee ee ee ee ee ee ee ee ee ee ee ee ee ee ee ee ee ee ee ee ee ee ee ee 14 SPJETPL All Rights Reserved www spjsystems com Page 3 of 14 s SPJ Embedded Technologies Pvt Ltd ww spjnystems com SM702x User s Manual 1 Introduction This is user s manual for SM702x series Modules from SPJ Embedded Technologies These modules offer a quick way t
7. ems com Page 11 of 14 E SPJ Embedded Technologies Pvt Ltd wun spjnystems com SM702x User s Manual 4 2 Switches description 4 2 1 RST This is a push button for user reset Pressing this switch momentarily will apply a reset pulse to the RST pin of ADuC702x 4 2 2 PGM This is a push button to enable In System Programming Refer to next section for usage of this switch SPJETPL All Rights Reserved www spjsystems com Page 12 of 14 re SM702x User s Manual amp SPJ Embedded Technologies Pvt Ltd 5 Downloading user program into module and running it Follow these simple steps to download your program into the micro controller and run it 1 Run the serial downloader program ARMWSD on the PC 2 Click the Configuration button and select appropriate Part COM port and Baud Rate For downloading example programs select 9600 Baud 3 Connect the Board to the serial port of PC You may use Serial Cable optional accessory or your own cable as long as you ensure right connection please refer to description of connector X1 4 Switch ON power to the module 5 Use PGM and RST switches on module a Initially PGM and RST both will be released i e in UP position b Press and hold down PGM switch c Press RST switch d Release RST switch e Release PGM switch 6 The above sequence of switch ope
8. o use AduC70xx microcontrollers for any application These modules support 4 microcontrollers from the ADuC702x family yet all 4 modules come in same size and shape and very similar connector pinout Hence this is a combined User s Manual for all the modules CAUTION These modules contain components that are sensitive to Electrostatic Discharge ESD The module must be handled carefully so as not to subject it to ESD As far as possible do not touch any conducting part on the module including any component or connector pins as this may damage parts of the module permanently If you must touch any of the parts make sure to discharge yourself to earth Parts damaged due to ESD are not covered by the limited warranty SPJETPL All Rights Reserved www spjsystems com Page 4 of 14 DO SPJ Embedded Technologies Pvt Ltd www spjsystems com SM702x User s Manual 2 Module Specifications 2 1 2 2 2 3 Hardware specifications Supported microcontrollers ADuC7024 ADuC 7025 ADuC7026 and ADuC7027 All these microcontrollers are ARM7TDMI architecture On chip 62KB ISP flash 8KB SRAM This is enough for many applications like Instrumentation or PID loop controllers etc Supply voltage required 5VDC minimum 4 75V maximum 5 25V The microcontroller chip itself operates on 3 3V but the module includes a small voltage regulator that produces 3 3V from 5V Power consumption during normal operation 35 mA 5VDC speed 5 2
9. of 19 pins Operating Temperature Range 20 C to 70 C Support EAGLE libraries available so module can be used as a component in your EAGLE schematic and PCB Similar libraries will be soon made available for other CAD packages Sample programs and library of many useful functions available Optional accessories Serial Cable This is a small cable with 3 pin connector on one side compatible with the module and DB9 female connector on the other side compatible with a computer s COM port This is very useful for programming the module with the help of programming software running on computer Programming software is available from Analog Devices web site SM BaseBoard has sockets compatible with the SM70xx modules The BaseBoard provides some prototyping area as well as connectors in more standard format for example DB9 for RS232 SPJETPL All Rights Reserved www spjsystems com Page 5 of 14 o SPJ Embedded Technologies Pvt Ltd SM702x User s Manual www spjsystems com 3 Module photos 3 1 As seen from top digerse ok hy ad OG w F x e N Po i wo gt suaishs f dTA GEM SPJETPL All Rights Reserved www spjsystems com Page 6 of 14 o SPJ Embedded Technologies Pvt Ltd www spjsystems com SM702x User s Manual 3 2 3D view SPJETPL All Rights Reserved www spjsystems com Page 7 of 14 SPJ Embedded Technologies Pvt Ltd www spjsystems
10. ration will put the ADuC702x microcontroller in Program mode Now select the hex file to be downloaded 7 Click on Start button of ARMWSD program 8 The chip will be erased first and then the program will be downloaded 9 To RUN the downloaded program simply press RST momentarily PGM RST a PGM and RST released PGM RST b PGM pressed 5 au PGM RST c PGM and RST pressed PGM RST d RST released PGM RST e PGM released Figure 3 SPJETPL All Rights Reserved www spjsystems com Page 13 of 14 E SPJ Embedded Technologies Pvt Ltd www spjsystems com SM702x User s Manual 6 Using SM702x Module in your hardware 6 1 If you use EAGLE for schematic capture and PCB design We provide an EAGLE library which contains these modules as if they were components Name of this library is SM702x Ibr It can be downloaded from our web site It has 4 components named SM7024 to SM7027 Each component has appropriate symbol Footprint package for all these components is same To integrate this module in your hardware simply create a schematic in EAGLE and add one of the 4 modules into it It s footprint will automatically appear in corresponding PCB You may complete PCB design as usual When PCB is fabricated you may solder 2 mm pitch female sockets dual row 19X2 pins each on it and then simply plug in the module into the female sockets 6 2 If you use some other softwar
11. www spjsystems com SPJ Embedded Technologies Pvt Ltd SM702x User s Manual SM702x User s Manual SPJ Embedded Technologies Pvt Ltd 101 Beaver Grandeur Baner Road Pune 411045 INDIA Tel 91 20 27293002 Fax 91 20 27293003 spi spjsystems com hitp www spjsystems com SPJETPL All Rights Reserved www spjsystems com Page 1 of 14 SPJ Embedded Technologies Pvt Ltd bone spjnystems com SM702x User s Manual Revision History Version Author Created Details of the changes made modified on 1 0 1 MKL 12 March 2009 Created initial draft 2 1 0 PVR 12 May 2009 Formatted LIST OF ABBREVIATIONS SPJETPL SPJ Embedded Technologies Pvt Ltd DB Daughter Board SPJETPL All Rights Reserved www spjsystems com Page 2 of 14 amp SPJ Embedded Technologies Pvt Ltd bone spjnystems com SM702x User s Manual 1 2 3 4 5 6 Contents INTRODUCTION avscsscedscssiccssccsccectassccececesccnasdescccnccesccscadssaceoncsdacedscsdeceascsoscncsdsseceoscscoasdsdesnces 4 MODULE SPECIFICATIONS cccccccscssscsssscssssssscscccscccscccsscesscessccssccsssesscssscesscssesossssses 5 2 1 HARDWARE SPECIFICATIONS cccccssseccesccccscccesceccsssecscccessecuecceuscccceseesseceeescesesseauecenenses 5 2 2 SUPPORT EE AE AE S E E E ee ES E E E EE 5 2 3 OPTIONAL ACCESSORIES ee ee ee se ee ee ee ee ee ee ee ee ee ee ee ee ee ee ee ee ee ee ee ee ee ee ee ee ee ee
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