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GMM ACB Zero - UK - 5.00

1. 10 TECHNICAL FEATURES cubs dxodangaachecosnssianetazcees 12 GENERAL FEATURED m 12 PHYSICAL FEATURES teiscesccanadencotsiaestarscrennsaiacuesonnsdesraasctsccauacusuoasacteceustcusesasasundenscowaneaceuess 12 ELECTRIC FEATURES ssecscsvsctisctasesasaicnsenctiverisactbseaaiaasnaiscadtacencetsetseneie Cel inna rU RE ena SNR OR REA 13 INSTALLATION m 14 VISUAL SIGNALATIONS E ain ens RE 14 POWER SUPPLY m 14 CONNECTIONS e 15 CONNECTOR WITH MINI MODULE SIGNALS eere eene entente 16 RESET POWER SUPPLY CONTROL WATCH 17 DIP SWITCH 18 Li 4 51 04 BL uf 19 CONNECTOR SIGNALS INTERFA 20 SERIAL COMMUNICATION SELECTION 20 OPERATING MODE SELECTION ccsiscoicstsessssseieoasatsvissacesscesecdsasnciedsnessesdsereiscssecasscveneaseatie 22 EXTERNAL EXPANSIONS 22 CAN INTERFACE 23 SUPPORT CARDS
2. 24 USE WITH GMB 165 24 USE WITH TST AND TST 2 BOARDS teen testen sensn anne 26 HOW TO START mm 28 A CONNECTIONS ARRANGEMENT 28 TEST OF DEMO PROGRAM SAVED ON MINI MODULE 29 C FLASH REPROGRAMMING WITH DEMO 29 GMM ACB Zero Rel 5 00 amp Page I abac o e bu grifo __ ITALIAN TECHNOLOGY D GENERATE EXECUTABLE CODE OF DEMO 33 RECOMPILE WITH BASCOM 8051 33 D3B RECOMPILE WITH sccccosecssssnascoasetstsve cvescudsecasacundoontascusiscnescesuccusacasacuetevencvenee 35 D3C RECOMPILE WITH LADDER WORK 38 E FINAL PREPARATION OF APPLICATION 40 SOFTWARE DEVELOPMENT TOOLS aeuo nnns arsi eaa La ruo sean erts 42 PERIPHERAL DEVICES SOFTWARE DESCRIPTION 43 CONFIGURATION INPU IS CE avi rh adip E Pi Qa su
3. abac o e bu grifo _ ITALIAN TECHNOLOGY D3A2 Execute the BASCOM 8051 and when his IDE is opened load the source file with BAS extension through the menu File Open Cerca in GmmACBZero c PrOCBO_it bas Nome Tipo file BASCOM files BAS Annulla FIGURE 22 LOAD SOURCE FILE WITH BASCOM 8051 D3A3 Open the configuration window of BASCOM 8051 compiler by selecting the command Option Compiler Misc then define the settings described in the following figure and finally confirm with Ok button The setting for Register file field must match the used microcontroller and it can be seleted only when the declaration files have been correctly copied as described at point D3AI BASCOM 8051 Options X i Communication Environment Hardware simulator Programmer Manitor P gt Output Communication 122 LCD Register file 8951cc03 d a Byte 0 23 Size warning 55535 FIGURE 23 CONFIGURE COMPILER WITH BASCOM 8051 D3A4 Compile the source file of demo program with the simple pressure of hot key F7 or by selecting the command Program Compile and verify that no errors happens An HEX file must be obtained equal to those available on gr
4. HEX PRACBO_UK HEX E Figure 21 FLIP SETTINGS WINDOWS 3 or 3 C13 Press button Run in the main window to start the preselected ISP operations All this operations will program the on board FLASH with the loaded code C14 Wait the execution end of ISP operation The status bar on the bottom reports operation progess and near text box on the left reports operation status the check boxes become red and then green when the respective operation is succesfully completed Thus wait for Verify check box to become green C15 At thisp point the FLASH is programmed and FLIP can be closed C16 Retest the program just saved by repeating the steps B1 B6 Page 32 e ACB Zero Rel 5 00 ITALIAN TECHNOLOGY gr ifo bus The steps just described must be repeated for any test of the application program and for this reason it could be preferible to speed up their execution by using the BatchISP modality of FLIP This automatically performs the instructions of a proper command file as the following one device AT89C51CC03 hardware RS232 port baudrate 115200 operation memory FLASH erase F loadbuffer user file gt HEX addrange 0x0000 OxF FFF program verify For further information on ISP programmation and FLIP use please consult the specific technical documentation released by ATMEL D
5. gr ifo _ bus FicureE 11 Dip SWITCH TABLE 2 OF 2 In the previous tables the asterisk denotes the default connection or on the other hand the connection set up at the end of testing phase that is the configuration the user receives The user can check the base configuration originally received also in APPENDIX C of the manual In order to locate the Dip switch please refer to figure 8 INTERRUPTS One of the most important GMM ACB Zero features is the powerful interrupts management Below there is a short description of which devices can geneate interrupts and their modalities for further information about interrputs management please refer to the microcontroller data sheet or APPENDIX A of this manual Pin 25 of CN1 gt Generates INTO P3 2 on the microcontroller Pin 24 of CN1 gt Generates INT1 P3 3 on the microcontroller Peripheral devices gt Generate an internal interrupt Possible sources of internal interrupts are the sections Timer 0 Timer 1 Timer 2 PCA UART A D converter CAN controller CAN timer etc An interrupt management section integrated in microcontroller allows to enable disable mask and prioritize so the user has the possibility to service promptly and efficently any external event The same interrupt section let the user manage the 19 interrupt sources with 4 priority levels the addresses of the interrupt service routines can be software prog
6. S CODE IRA D1 Install the software environment selected to develop the application program on the hard disk of the development PC As described in the chapter DEVELOPMENT TOOLS there are many different software packages that satisfy any customers requirements but here we remind only the most diffused as the BASCOM 8051 uC 51 and LADDER WORK For detailed information on this products please refer to relative user manuals or the proper on line helps 02 Check that at point C4 from grifo CD had been copied all the files of the demo program not only the one with executable code In detail in the working folder must be available the source file the project file the declaration files provided of the following extensions according with the used development tools Development tools Language Source Project Declaration Environment BASCOM 8051 BASIC DAT uC 51 C C MAK H WSP LADDER WORK LADDER PJN PIN D3 Compile the source file by using the selected software tools in order to obtain the HEX file identic to those received and already used at point C This operation is really different according with the selected development tools so here follows the detailed steps properly divided and organized D3A1 Copy the declaration file DAT described at point D2 inside the installation folder of BASCOM 8051 WCS Electronics BASCOMS05 IN Page 33 GMM Zero Rel 5 00
7. TECHNICAL MANUAL stiweres 7 12245678 sia p wt ci 5 Via dell Artigiano 8 6 40016 San Giorgio di Piano g r ifo Bologna ITALY ITALIAN TECHNOLOGY E mail grifo grifo it ee http www grifo it http www grifo com Tel 39 051 892 052 a r FAX 39 051 893 661 GMM ACB Zero Rel 5 00 Edition 13 June 2007 ebece e7 GPC grifo are trade marks grifo TECHNICAL MANUAL Male socket with 40 pins dual in line 100 mils pitch 600 mils width very small dimension 21 x 54 x 13 mm 4 layers PCB to obtain best noisy resistance and best EMI performance requires single power supply at 5 Vdc 48 mA availability of low power modes as Idle and Power Down Atmel 89C51CC03 microcontroller 8051 code compatible with 14 74 Mhz crystal programmable machine speed at 12 or 6 clock cycle 64K FLASH for code 2K FLASH for Boot Loader 256 bytes IRAM for data 2K ERAM for data 2K EEPROM data Expansion signals for external memories and devices up to 64K as data access 8 A D converter channels with 10 bits resolution 20 usec conversion time 19 interrupt sources with 4 priority levels 3 Timers Counters up to 16 bits 5 PCA channels at 16 bits with PWM compare capture etc functionalities 34 digital I O lines available on connector some of these have multifunctions capabilities Hardware serial line with Baud Rate programmable up to 115200 Baud at TTL level or bu
8. 7 FiGunE 18 DEMO PROGRAMS TABLE C5 Select DEBUG mode that is Dip switch DSW1 1 of GMM ACB Zero in position ON C6 Turn off and then turn on the Mini Module or reset it Page 30 e ACB Zero Rel 5 00 ITALIAN TECHNOLOGY grifo bus C7 Run the FLIP program installed at point It can be used the Start Programs ATMEL FLIP x y z when the default setting have been used during installation of the same program C8 Select the device to program by clicking the first button on the top left picking the 59 5 1 in the Device Selection window and then press f Device Selection 478905114 ATSXC51 22 478905130 478905131 478905132 ATS3C51AC3 AT89C51ED2 AT89C511C2 89 51102 89 51 2 89 51 2 FicunE 19 FLIP SETTINGS WINDOW 1 or 3 C9 Select the communication mode for ISP programmation by cliking the second button on the top left picking in sequence RS 232 the serial Port of development PC 115200 Baud and then press Connect At this point the FLIP starts communication with microcontroller Boot Loader and fill in a list of data in its main window If communication fails and after about 20 seconds the window Timeout error appears try to reduce communication speed from 115200 to 19200 Baud and recheck previous points Port COM1
9. bus gust 5 1 RTT A 1 L E pereo scu 4 FicurE 16 TST ACB ZERO COUPLE In corrispondence of the first purchase included in the received materials floppy disks or CD there are numerous demo programs that allow to use immediately both the resources of Mini Module plus support boards GMM ACB Zero Rel 5 00 Page 27 abaco e bus grifo _ ITALIAN TECHNOLOGY HOW START In this chapter are listed the operations that must be performed to start using the GMM ACB Zero in a pratical and fast way solving the typical beginners problems The chapter includes some common sections and other parts that are different according with used development environment all these paragraphs contains interesting information even for the users that already know the product in fact there is the description of a fast and complete functional test Moreover it is supposed that the user already have the accessories power supplier and serial connection cable and a PC provided of the necessary features in order to execute the programs described in the following points This PC is identified with the name development PC and its minimum requirements are listed in the documentation of the used programs AX CONNIECTNIONS Al Perform the serial connection between Mini M
10. GMM Zero Rel 5 00 Page 7 abaco e bus grifo _ ITALIAN TECHNOLOGY MEMORY DEVICES The card is provided of 70 25K of memory divided in the following types 64K Bytes of FLASH EPROM 2K Bytes of FLASH EPROM for Boot Loader 256 Bytes of internal IRAM 2K Bytes of external ERAM 2K Bytes of EEPROM All these memories except the FLASH for Boot Loader are completely available for user requirements both for code and data of his application program Thanks to on board EEPROM there is the possibility to keep data also when power supply is failed in this way the card is always able to maintain parameters logged data system status configurations and so on in each working conditions Whenever the amount of memory for data is not sufficient i e for data loghin systems or special applications it is always possible to connect external memory devices with SRAM EEPROM FLASH EPROM technologies through the efficient expansion BUS and or the comfortable 12 BUS interface of the card please see propers paragraphs The addressing and management of memory devices is controlled by microcontroller as described in paragraph MEMORY ACCESS and inside the component data sheet or in APPENDIX A of this manual Microcontroller 89C5 1 includses an hardware Watch Dog capable to reset the CPU if the user program doesn t retrigger it before than the selecte
11. bus grifo _ ITALIAN TECHNOLOGY A wide selection of software development tools can be obtained allowing the best use of the module features and to easily complete the necessary applications very short time Generally all software packages available for the mounted microprocessor or in other words the numerous tools for the 51 family can be used either at high and low level All the software development tools supplied by grifo always include many example programs in source and executable format fully remarked that shows how to manage each section of the card As described in previous chapter these demo program are ready to use and so they speed up the evaluation of the module and the development phase of final application Among these we remind HI TECH C 51 cross compiler for C source programs It is a powerful software tool that includes editor C compiler assembler optimizer linker library and remote symbolic debugger in one easy to use integrated development environment Moreover the libraries source files are included SYS51CW cross compiler for C source programs It is a powerful software tool that includes editor C compiler assembler optimizer linker library simulator and remote symbolic debugger included in an easy to use integrated development environment for Windows SYS51PW cross compiler for PASCAL source programs It is a powerful software tool that includes editor PASCAL c
12. the line signals are protected against discharges up to 15 KV By software the serial line can be programmed to operate with all the standard physical protocols in fact the bits per character parity stop bits and baud rates can be defined by setting proper microprocessor s internal registers By hardware can be selected which one of the electric protocols is used through Dip switches configuration as described in the previous tables the user can select autonomously one or the other type by following the information listed below Moreover the following figures shows how a generic external system can be connected to GMM ACB Zero serial line with both the electric standards E Page 20 GMM ACB Zero Rel 5 00 ITALIAN TECHNOLOGY SERIAL LINE IN TTL CN1 GMM ACB Zero 12 TTL SERIAL LINE CONNECTION EXAMPLE DSW1 2 DSW1 3 DSW 1 4 DSW1 5 grito Cabaco e 67 SERIAL LINE IN RS 232 default configuration RX RS232 TX RS232 e 5 N lt 2 2 FIGuRE 13 RS 232 SERIAL LINE CONNECTION EXAMPLE GMM Zero Rel 5 00 DSW1 2 DSW1 3 DSW 1 4 DSW1 5 OFF OFF ON ON ON ON OFF OFF 2 Dn gt un E X E External System Page 21 abac o e bu grifo9 _ ITALIAN TECHNOLOGY TE
13. 6 clock cycle 64K FLASH for code 2K FLASH for Boot Loader 256 bytes IRAM for data 2K ERAM for data 2K EEPROM for data Expansion signals for external devices addressed as data As external expansion can be easily connected up to 64K of SRAM 8 A D converter channels with 10 bits resolution 20 usec conversion time 19 interrupt sources with 4 priority levels 3 Timers Counters up to 16 bits 5 PCA channels up to 16 bits with PWM compare capture on event frequency generator etc functionalities Watch dog section that ensure right work of the controlled system in any operating conditions 34 digital I O lines available on connector Some of these have multiple functions Hardware serial line with programmable Baud Rate up to 115200 Baud at TTL level or RS 232 buffered RS 232 driver with protection against 15 kV discharges Reset and power supply control circuit e Page 4 ACB Zero Rel 5 00 ITALIAN TECHNOLOGY gr ifo bus Software 12 BUS line available on connector CAN controller compatible with 2 0A and 2 0B standards that can be connected to each line based on this protocol through a proper external driver 8 configuration Dip switches 3 of them can be acquired by software 2 status LEDs managed by software through I O lines Internal FLASH and EEPROM can be managed through ISP In System Programming that i
14. Baud 115200 Manual Syne Connect Disconnect Sync Cancel 20 FLIP SETTINGS WINDOW 2 OF 3 C10 Load the file to write in FLASH that is the one with HEX extension copied at point C4 by clicking the third button on top right side and then select the file by using the displayed dialog box In the frame FLASH Buffer Information several information about the file just loaded appear in detail the box HEX File must report the file name Page 31 GMM Zero Rel 5 00 abac o e bu grifo _ ITALIAN TECHNOLOGY C11 Select all the check boxes in the frame Operations Flow as in figure 21 in order to let FLIP execute in sequence the four operations erase blank check program and verify C12 Atthis point make sure that main windows of FLIP looks like figure 21 in details the data in the Size X2 Device SSB and BSB EB SBV boxes must exactly match f Atmel Flip 2 4 6 File Buffer Device Settings Help AT89C51CCO3 Size Kbytes Signature Bytes 580 7FFFE Blank FF Device Boot Ids 0000 4 Range 0000 2FAF Checksum Offset 0000 Bootloader Ver Reset Before Loading BLJB ES M Blank Check Program File PRACBO UK HEX BsB EB SBV 00 rr 11 9 Kbyt iis DeviceSSB Verify AMEL Leveld C Levelli C Level2 Run Clear CAN
15. CANary family of 8 bit microcontrollers dedicated to CAN network applications In X2 mode a maximum external clock rate of 20 MHz reaches a 300 ns cycle time Besides the full CAN controller AT89C51CCO03 provides 64K Bytes of Flash memory including In System Programming ISP 2K Bytes Boot Flash Memory 2K Bytes EEPROM and 2048 byte ERAM Primary attention is paid to the reduction of the electro magnetic emission of AT89C51CCO03 Block Diagram o o 0 5 lt ifi X x 0 x cr gt gt a XTAL1 RAM Flash Boot XTAL2 UART 256 x 8 loader PROM 2048 PCA Timer2 CAN 2kx8 2 8 CONTROLLER 1 1 1111 11 I cpu Ul m 2 EA RD Timer 0 INT Parallel Ports ang Ext Bus Watch Emul 10 bit SPI Timer 1 Ctrl Dog Unit ADC Interface WR Port 1 Port 2 Port 4 r N e o li BR ER 2 9 2 5 5025 Notes 1 8 analog Inputs 8 Digital I O 2 5 Bit Port 2 89 51 4182 07 03 E Page A 2 GMM Zero Rel 5 00 ITALIAN TECHNOLOGY gr ifo bus APPEND
16. Column Byte Dim Decode 16 As Byte Local variables Dia Y Byte X Byte D As Dyte Dim Ind 14 Word Procedures declarations Debouncing counter Code of key pressed Key under debouncing Cursor coordinates Declare Sub Init Initialization Declare Sub Deno converter in Declare Sub Byte A D conversi Declare Sub Adconv_int Byte Performs A D conversi Declare Sub Vd Deno of watch 404 Declare Sub Demo PIO interrupt Declare Sub Setpi y As Byte Sets status of port 2 Declare Sub Geto Gets status of port 32 19 15 Modhed Intet Comedie program FIGURE 24 COMPILE wiru BASCOM 8051 D3B1 The 51 software package includes two separated development tools The first is the JFE editor that is a complete IDE provided of multifiles editor tree garbages manager and an executer of external programs This can be configured by proper programs in order to obtain a complete environment capable to perform all the operations required by application program development The second includes an editor named uEdit useful to examine and change the source and a project manager named UmShell that can compile the source and obtain the executable code for GMM ACB Zero The following steps list the basic operations required by each tools of uC 51 while for detailed information about all the described programs please read the complete docu
17. EV 43 VISUALIZATION sisscscastsesceisciecacenacisccunncsanciatavvavesscevaeasacuedeanicoanatscasvareuasuscoasecveceoutauents 43 MULTIFUNCTIONS SIGNA LS sicsasstustassuavecssssuaconasavtecsacaiveteuscusscansedarassieieenensdivechonssbicosiaustis 44 MEMORY ACCESS P 44 BIBLIOGRAPHY mr 45 APPENDIX A ON BOARD DEVICES DESCRIPTION A 1 ATSICSICCOZ n A 1 APPENDIX B GMM TST 2 ELECTRIC B 1 APPENDIX C BASE CONFIG OPTIONS 55 5 C 1 APPENDIX D ALPHABETICAL D 1 e GMM ACB Zero Rel 5 00 Page II ITALIAN TECHNOLOGY grifo bus FIGURE 1 LOCATION OF PRINTED CIRCUIT VERSION scccccsssssssscsccccssscssssssccccecssssssssssceccsssccsscsssscsccoees 3 FIGURE 2 BLOCK DIAGRAM 7 3 COMPLETE deddeaedensbaceeustd 9 FIGURE 4 COMPONENTS MAP TOP VIEW ccccccsssssscsscceccccccsssccssccecccccccssssssccecccecccessscsscsnececccecssssscecees 11 FIGURE 5 C
18. LEDs make easier the debug and test operations of the complete system To recognize the LEDs location on the card please refer to figure 8 while for further information about management please refer to paragraph VISUALIZATION LEDS Mini Module nust be supplied with a stabilized 5 Vdc 5 voltage connected to proper pins 20 and 34 of On the board all the circuits and components have been chosen in order to obtain the best noisy immunity and the lowest consumption including the possibility to use some different low power modalities this feature is really important when the module is supplied by batteries for example in portable applications In details it can be set the power down and the idle modes plus the machine cycle speed of the microcontroller through the proper internal register PCON The user application program can reduce supply consumption and eventually restore the normal working mode when a specific event occours like an interrupt a variation on an analog or digital input a timeout etc For further information please refer to paragraph ELECTRIC FEATURES Page 14 GMM ACB Zero Rel 5 00 ITALIAN TECHNOLOGY gr ifo bus tom RI L 140207 S FicureE 8 LEDs DIP SWITCH CONNECTOR LOCATION CONNECTIONS The GMM ACB Zero module has 1 connector that can be linkeded to other devices or directly to the field according to system requi
19. T amp 4 amp MIL 45678 FIGURE 3 COMPLETE VIEW GMM Zero Rel 5 00 Page 9 abaco e bus grifo _ ITALIAN TECHNOLOGY The CAN controller of GMM ACB Zero 15 charged of the complete management of the homonimous protocol in all its modalities and aspects In details the overall features of this section are briefly described below supports for BasicCAN protocol 2 0 A supports for PeliCAN protocol 2 0 B identifiers lenghts supported 11 and 29 bits 15 indipendent messages managers separated identifiers masks and commands for each manager programmable receive buffer size programmable timer for triggers and synchronizations readable errors counters generates some different interrupts according with current controller status completely managed through microcontroller s internal registers etc For further information please refer to CAN INTERFACE paragraph and to APPENDIX A of this manual APPLICATION Possible applications of GMM ACB Zero modules are several The following example can be listed Smart intelligent nodes with local functionalities as PID algorithms for controlling temperatures motors valves etc Decentralized systems as robots automation of production line machines big factory automations etc Teleacquisition and telec
20. could be inserted only the first time in fact the same program mantains the last settings sucesfully used Alternatively it could be used the batch modality that can be often integrated in the development tool IDE in order to speed up the programming and debug phase of the program When this focus is reached the developmnet PC can be eliminated by obtaining a self running card as below described DS UT CONS El Setthe RUN mode that is DSW1 1 in OFF position and disconnect the development PC if it is not required by same application E Page 40 E GMM Zero Rel 5 00 doo ju244n 58 53 Page 41 qsojurv 10 cr SU TET SU S 4 14415 abaco e bu 3ug 2195 LLL SU 5 2 IN Md 2 5 8 4 5 5 5 Aa o Q 455410 6 TV LIDIG 5 a SANIT LANNNALNI 5 E o D e NOE A 4 5 5 48 5 4 JLA AV dSIG Q daaIdNO0D SHOLSISNVHL SAVITAN INOMd WAV V d pue D 0140 SH 01 sour ESSIMOWAIN SINIT O I lt so 0mr1o 19X pasang 10151905 sag sns 5 SANI LLL a y 8 5 4 S3OIA3G 5 5 5 abaco e
21. different modes relays transistors optocoupled inputs LSDs push buttons etc connect RS 232 signals through a comfortable D9 female type connector set and visualize the status of 2 Mini Module I O signals through coloured push buttons and LEDs disconnectable by jumpers generate sound feedback using the on board buzzer generate a reference voltage for A D section restart the mounted Mini Module through a comfortable reset push button develop quickly and comfortably user interface applications by taking advantage of on board LCD display backlit 2 rows x 20 characters and matrix keyboard 4x4 16 keys develop easily a support card that satisfy customer requirements starting from the supplied electric diagram support the programming of Mini Module through proper external ISP programmers features not used with GMM ACB Zero The following configurations allow to use the couple GMM TST 2 GMM ACB Zero in RUN mode with RS 232 serial line GMM ACB Zero configuration GMM TST 2 configuration DSW1 1 OFF 2 3 DSW1 2 ON 11 2 3 05 13 13 1 2 DSW1 4 OFF JA 2 3 DSW1 5 OFF 2 3 DSW1 6 OFF 6 2 3 DSW1 7 OFF Jf 2 3 DSW1 8 OFF Serial connection cable with development PC CCR 9 9E that is an extension cable provided of D9 Female and D9 Male connectors Page 26 6 GMM ACB Zero Rel 5 00 ITALIAN TECHNOLOGY gr ifo
22. long baud check can SCOW 0x052 Mode 1 enables receiver TZCON OxJ0 Timer 2 in auto reload mode stop delay baud 75 Calculates the auto reload value for Baud baudedivapprli6 FQZ baud 77 z equired and quartz frequency used v 1 baude urxFFFF baud f ca RCAPZL unsigned char baud 4 OxFF Loads the result in auco reload registers inican PCAPZHe unsigned char baud gt gt 8 4 OxFF 2 4 77 Timer 2 in mitorreload mode start oid cirscrivoid Performs the clear screen function for a generic console i unsigned char putec CAET for 25 2 wee 2 2 pucc LF Transmit 25 Line Feeds w C CPU FAM_ISI UCS1 bin binghex pracbO uk bin uk hex e eu J Ficure 26 wira uC 51 ANp JFE ACB Zero Rel 5 00 Page 36 ITALIAN TECHNOLOGY grifo bus At this point an HEX file must be obtained equal to those available on grifo disk and already used at points C D3B3 By using uEdit and UmShell first of all run the first program from Windows start menu and then open the sourcefile of the demo program with C extension through the menu File Open Nome file Cartelle O_uk c c program gmmacbzero Annulla Canary h erro
23. CB Zero Rel 5 00 abaco e bus grifo _ ITALIAN TECHNOLOGY To prevent problems during card utilization it is a good practice to read carefully all the information of this manual After this reading the user can use the general index and the alphabetical index respectly at the begining and at the end of the manual to find information in a faster and more easy way grifo provid this documentation as is without warranty of any kind In no event shall grifo be liable for indirect special incidental or consequential damages of any kind arising from any error in this documentation including any loss or interruption of business profits use or data Moreover is not guaranteed the updating of the product for new computers or new operating systems that will become available in the future All trademarks listed in this manual are copyright of the relative manufacturers Page 2 e ACB Zero Rel 5 00 ITALIAN TECHNOLOGY _ grifo bus This handbook make reference to printed circuit version 140207 and following ones The validity of the information contained in this manual is subordinated to the version number on the used card and so the user must always verify the correct correspondence between the notations The version number is reported in several places on the electronic part of the product and following figure sh
24. ETWEEN ACB ZERO AND 28 FIGURE 18 DEMO PROGRAMS TABLE eee ee ee ee ee eee eoo ooo eee ee ee ett tn none see e sete tn Passes e eee eate sees eee 30 FIGURE 19 FLIP SETTINGS WINDOW 1 OF 3 eene ee ee ee ee nennen nene aeneae n sene sese s sees essa eae 31 FIGURE 20 FLIP SETTINGS WINDOW 2 OF 3 ccccccccccccccccccccccccccccccecccecccecccccccecececccccccecccsccceccceceseoes 31 FIGURE 21 FLIP SETTINGS WINDOWS 3 OF 3 cccccccccccscccscccccccccccccccccccecccccecscccecccscecccececccecccscessees 32 FIGURE 22 LOAD SOURCE FILE WITH BASCOM 8051 ccsssssscsssssssccsssssscccesssccccssssceccscssscscees 34 FIGURE 23 CONFIGURE COMPILER WITH BASCOM 8051 sssccccssssssccsssssccsssssccccsssssccssssscceees 34 FIGURE 24 COMPILE WITH BASCOM 8051 csssssscssssscscsssscccccsssscccscssssccssssssccscscsscccssssssecoeees 35 FIGURE 25 LOAD ENVIRONMENT FILE WITH WC 51 AND JFE 36 FIGURE 26 COMPILE WITH WC 51 AND JFE cccccccscossssesssecscoesscsssssccssecnsoenscsosscosssnessoessosssscossseonses 36 FIGURE 27 LOAD SOUCE FILE WITH WC 51 AND UEDIT sscscscsssccscccccsscscccssccescccsccssncscssccescsssecsees 37 FIGURE 28 LOAD PROJECT FILE WITH UC 51 AND UMSHELL 37 FIGURE 29 COMPILE WITH 51 AND UMSHELL ccccccossccsscoscsssscsessccscsesssssscssscenscocssscsesnssees 38 FIGURE 30 LOAD SCHEMATIC FILE WITH LADDER WORK 38 FIGURE 31 CONF
25. IGURE COMPILER WITH LADDER WORK 39 FIGURE 32 COMPILE WITH LADDER WORK 39 FIGURE 33 COMPILING RESULT WITH LADDER WORK 39 FIGURE 34 CONNECTION EXAMPLES 41 FIGURE C I DEFAULT CONFIGURATION C 1 P abac o e bu grifo ITALIAN TECHNOLOGY Page IV 6 ACB Zero Rel 5 00 ITALIAN TECHNOLOGY grifo bus INTRODUCTION The use of these devices has turned INEXCLUSIVE WAY to specialized personnel This device is not a safe component as defined in directive 98 37 CE Pins of module are not provided with any kind of ESD protection Many pins of the card are directly connected to their respective pins of on board s components and these last are sensitive to electrostatic noises So personnel who handles the product s is invited to take all necessary precautions that avoid possible damages caused by electrostatic discharges The purpose of this handbook is to give the necessary information to the cognizant and sure use of the products They are the result of a continual and systematic elaboration of data and technical test
26. IRATING MODE SELECTION As described on figure 10 and in next chapters the Dip switch DSWI 1 selects the operating mode of GMM ACB Zero Mini Module In detail are available two modes obtained from the following configurations DSWI 1 Operating mode OFF 4 ON DEBUG mode In RUN mode after a reset or power on the application program saved in FLASH is always executed independently by external conditions while in DEBUG mode the Boot Loader of microcontroller is always executed Programs for PC as the FLIP comunicates with Boot Loader through the serial line and allow to read erase and write some on board memories through the ISP modality The ISP tecnique In System Programming reduces the cost and the time for development in fact iteliminates the use of external EPROMs programmer eraser etc For further information about ISP please consult the specific technical documentation released by ATMEL EXTERNAL EXPANSIONS On connector are available all the signals required to obtain a BUS external to Mini Module that allows the connection of many devices and thus to expand the resources and the functionalities of GMM ACB Zero The most important features of the expansion BUS are listed in the following points parallel BUS type Provided of 8 data bits and 16 address bits Complete of control signals required either for acces on data area and code area according with typical modalities of
27. IX GMM TST 2 ELECTRIC DIAGARAM Matrix Keyboard 4x4 n Po lt 2 Ds DC POWER JACK E e eae 20 0 q 2 3 4 5 6 T 8 5 6 1 6 7 8 0 4 0 Dae 17 11 2002 OOOOOOOOOOOOOOOOO Zero Rel 5 00 page ITALIAN TECHNOLOGY grifo st LO e D S 111003 GMM TST 2 Title o 50 c A N N gt ys N 5 CS GMM Zero Rel 5 00 Page B 2 ITALIAN TECHNOLOGY bus e Date 17 11 2002 GMM ACB Zero Rel 5 00 LM Page B 3 abaco e bus grifo __ ITALIAN TECHNOLOGY Page B 4 e ACB Zero Rel 5 00 ITALIAN TECHNOLOGY gr ifo bus APPENDIX BASE CONFIG OPTIONS ACCESSORIES In corrispondence of the first purchase or after a reparation the GMM ACB Zero is supplied in its base configuration The features of this configuration has been described many times in the manual by using also the name default configuration and in this appendix they are summarized opportunely divided in th
28. K Files pin M mula 2 FIGURE 30 LOAD SCHEMATIC FILE WITH LADDER WORK E Page 38 GMM ACB Zero Rel 5 00 ITALIAN TECHNOLOGY 010 096 bus D3C2 Ensure that the selected profile is the right one specific for Mini Module GMM ACB Zero PrACBO PJN LadderwORK File Edit Build View Zoom Options Tools 4 a a 2 2 4 FIGURE 31 CONFIGURE COMPILER WITH LADDER WORK D3C3 Compile the source schematic pressing the first button from the right PrACBO PJN LadderwORK File Edit Build View Zoom Options Tools Da E 2 Bly Jom zero FIGURE 32 COMPILE wira LADDER WORK D3C4 During the compile phase no errors must be visualized as in the following figure PrACBO PJN LadderwORK lal x Edit Build View Zoom Options Tools Help nuu xm 2 msg Zero Sa gt AS lt C lw223a_grifo projects gmbhri68 advanced 01 gt 4 Assembling with no errors Massembling lt lw223a_grifo plb MPUgO51 comm_io s01 gt assembling with no errors Assembling lt c lw223a_grifo plb MPUS8051 startup 01 gt 4 DAssembling with no errors Linking D Q creatin
29. OMPONENTS MAP BOTTOM VIEW sccccossscsscccccsssscscccecccccccssssssscecccecccesesssscsnececcccsesssssscees 11 FIGURE 6 LOP VIEW T 13 FICURE 73 AGH Db 14 FIGURE 8 LEDs DIP SWITCH CONNECTOR LOCATION cccccccccscccccccccccecccccccccccscccecccccccscccscccecececessoes 15 FIGURE 9 SOCKET WITH MINI MODULE SIGNALS ssccccssssssscsssssscccsssssscccssssccssssscccccsssscesees 16 FIGURE 10 DIP SWITCH TABLE 1 OF 2 ccccccccscccscccscccecccscccccccccccecccccccccccccccscccecccececscccecccecccscessces 18 FIGURE 11 DIP SWITCH TABLE 2 OF 2 cccccccscccscccccccccccccccscccccccscccccccscececccecccecececccecccscccecccscccscessoes 19 FIGURE 12 TTL SERIAL LINE CONNECTION EXAMPLE ee eee eo eese eese ee ee eese ense saos see e tete ease eese e esee eaa 21 FIGURE 13 RS 232 SERIAL LINE CONNECTION EXAMPLE eeeeee eoo e ee ee ense eee ento sesta ense eese enses eese 21 FIGURE 14 EXPANSION BUS FOR DATA AREA 23 FicunE 15 GMB HR168 GMM ACB ZERO COUPLE ee eee ee ee ee een oeste tn sese teens esee een se 25 FIGURE 16 GMM TST ZERO COUPLE ee ee ee eee eene ee eee enses 27 17 RS 232 SERIAL CONNECTION B
30. TERFACEMENT paragraph and they follow grifo Mini Module standard pin out In order to avoid problems on pin counting and numbers the figure 9 shows the signals directly on the top view of the GMM ACB Zero moreover the serigraph reports the pins number on the four corners of the card both on bottom and top side 4 ADO P00 11 0 40 PSEN ADI P01 2 O 39 ALE AD2 P02 38 P0 7 AD7 AD3 P0 3 4 O 37 P06 AD6 DSW1 7 LD1 A14 P2 6 5 36 0 5 ADS DSW1 6 LD2 A15 P2 7 6 35 0 4 AD4 Vref 7 D 34 5Vdc RES 8 Oe 33 PL0 ANO T2 85232 TTL P3 0 9 32 Pi1 AN1 T2EX TX RS232 TX TTL P3 1 0 31 PL2 AN2 ECI DSW1 8 A13 P25 11 O 30 1 SCL A8 P2 0 12 DF 29 1 4 CEXI SDA A9 P21 13 28 PL5 ANS CEX2 TxD 4 0 14 0 _ O 27 P1 6 AN6 CEX3 RxDCAN P41 15 26 17 7 4 12 24 16 O 25 P3 2 INTO A11 P2 3 17 0 D 24 P33 INTI A10 P2 2 18 O 1123 P34 T0 RD P37 9 E 22 P35 TI GND 2035 21 P3 6 WR FIGURE 9 CN1 SOCKET WITH MINI MODULE SIGNALS Signals description RX RS232 I Receive Data of serial line buffered in RS 232 TX RS232 O Transmit Data of serial line buffered in RS 232 RX TTL I Receive Data of TTL serial line TX TTL O Transmit Data of TTL serial line Px n I O Signal n of Port x of microcontroller digital I Os DSW1 n O Signal connected to contact n of D
31. acro component e ACB Zero Rel 5 00 Page 10 ITALIAN TECHNOLOGY gr ifo bus AE gmmacb 140207 FIGURE 4 COMPONENTS MAP TOP VIEW grifo R MADE IN ITALY JSt 140207 FiGURE 5 COMPONENTS MAP BOTTOM VIEW GMM Zero Rel 5 00 Page 11 GENERAL FEATURES Devices Memories Microcontroller Clock frequency A D resolution A D conversion time Reset time Watch Dog intervent time Size Weight Connectors Temperature range Relative humidity Page 12 grifo ITALIAN TECHNOLOGY 34 lines of TTL digital I O 8 analog inputs on A D converter 5 PCA sections for compare capture PWM frequency signals 1 Watch Dog section 3 Timers Counters multifunctions 19 interrupt sources with 4 levels 1 reset and power supply controller circuit 1 RS 232 or TTL serial line 1 CAN controller 1 Dip switch with 8 ways 2 visualization LEDs 64K Byte FLASH user program 2K Byte FLASH boot loader 2K Byte EEPROM user data last 8 Bytes are reserved 2K Byte ERAM user data 256 Bytes IRAM user data Atmel 89 5 1 14 7465 MHz 10 bits 20 usec typical 200 msec programmable from about 6 msec to 1 7 sec 21x54x 13mm 98 40 pins male socket DIL 100 mils pitch 600 mils width 0 50 C 20 90 without condense e ACB Ze
32. connect transmission signal on pin 10 of CNI to RS 232 serial driver by allowing direct connection to microcontroller Connects reception signal on pin 9 of CN1 to RS 232 serial driver DSW1 5 must be OFF to avoid conflicts Used in conjunction with switches 2 4 5 Does not connect reception signal on pin 9 of CNI to RS 232 serial driver by allowing direct connection to microcontroller Connects transmission signal on pin 10 of CNI directly to microcontroller DSW1 2 must be OFF to avoid conflicts Used in conjunction with switches 2 3 5 Does not connect transmission signal on pin 10 of CNI directly to microcontroller by allowing the connection to RS 232 serial driver Connects reception signal on pin 9 of CNI directly to microcontroller DSW1 3 must be OFF to avoid conflicts Used in conjunction with switches 2 3 4 Does not connect reception signal on pin 9 of CN1 directly to microcontroller by allowing the connection to RS 232 serial driver Connects pin 6 of Mini Module to ground This condition forces the P2 7 signal of microcontroller to 0 logic level and it acts as a configuration input acquired by software Furthermore it enables the LED LD2 Does not connect pin 6 of Mini Module and it lets the signal P2 7 and the LED LD2 completely driven by user FIGURE 10 DIP SWITCH TABLE 1 or 2 GMM Zero Rel 5 00 Page 18 ITALIAN TECHNOLOGY
33. creases down to the 4 65 Vdc threshold 2 Signal connected to pin 8 of CN1 active low that can be connected to a simple normally open push button once the button is pressed it must short circuit the RES signal to ground GND and consequently the reset is enabled The main purpose of this signal is the forced exit from endless loop especially during the debug phase or the re execution of the application program with no interruptions on the power supply of the card 3 Watch Dog circuit inside the microcontroller that is really efficient and easy to use by software In details the main features of this circuit are the following ones astable functionality intervent time programmable by software from about 6 msec to about 1700 msec software enable through a double consecutive write operation on management registers software retrigger In astable mode when intervent time is elapsed the circuit becomes active it stays active for a short reset time and after it is deactivated The main purpose of this section is to supply a real security about right execution of application program by the card In fact when the program is no more executed correctly it doesn t perform the periodic retrigger operation of the circuit and the card will be reset at the end of intervent time For further information about Watch Dog section and retrigger operation please refer to the microcontroller data sheet or APPENDIX A of this manual For the first tw
34. cted to low impedance signals in the range 0 3 0 V that assure greater stability and precision This range is valid also for the reference voltage Vref used by A D section that must be perfectly filtered and stabilized The PWM signals generated by Timer Counter and PCA sections are TTL type so they must be properly buffered in order to drive the power circuitery Typical interfaces can be a simple current driver when a PWM signal is still required or an intergrator circuit when analog voltage is necessary Also I2C BUS signals are at TTL level as defined by the same standards for completeness it is remarked that in a network with several devices and rather long it is better to study the connection lay out and to set properly the output stage the operational modes and the programmable bit rate the best values of all these settings allow right communications in any condition Each 12 BUS connection must have two pull up resistors at the extremes of the cable that is near the two units at the greatest distance as defined by standard specification of this interface The CAN communication signals are at TTL level and they can t be directly connected to signals of the CAN lines but it must be interposed a proper line driver as described in paragraph CAN INTERFACE SIER COMMUNICATION SELECTION Asynchronous serial line of Zero can be buffered RS 232 TTL Incase it is buffered in RS 232
35. d intervent time elapses The main purpose of this section is to supply a real security to the system controlled by Mini Module in order to work correctly in any operating conditions and to avoid dangerous malfunctions not examined during develop phase The intervent time rangeof Watch Dog is rather wide from a minimum of about 6 millisecond to a maximum of 1 7 second For further information refer to microcontroller data sheet or to APPENDIX A of this manual CIL Jed K On GMM ACB Zero module there is one clock circuitery that generates the clock signal for the microcontroller Such circuitery is based on a crystal that generates a 14 7456 MHz frequency that is used directly or indirectly by all the peripherals of the module that requires timings as the asynchronous serial line the Timers the Watch Dog the PCA channel etc In order to improve speed performance on GMM ACB Zero the user can also set the machine cycle duration to 12 or 6 clock cycles X2 mode In X2 mode code execution is two times faster than a classic 8051 architecture e Page 8 GMM ACB Zero Rel 5 00 ITALIAN TECHNOLOGY gr ifo bus BOARD CONFIGURATION The GMM ACB Zero is provided with a Dip switch with 8 ways that allow to configure the module and its application program Three of these dips can be acquired by software and they let the user manages different condi
36. dard pin out common for all the grifo Mini Module by allowing a direct connection to several interface cards By software it is possible to define and acquire the function the direction and the status of these lines and also to match them to peripheral devices i e Timer Counter Interrupt A D PCA CAN controller etc through a simple programming of some microcontroller internal registers For further information please refer to paragraph CONNECTIONS and PERIPHERAL DEVICES SOFTWARE DESCRIPTION I2C BUS LINE On standard connector of GMM ACB Zero there are the signals of an I2C BUS interface emulated by software and managed by two I O lines of microcontroller This interface allows to connect the devices featuring the same communication standard in order to expand local potentialities of module There is wide range of software examples that manage most common devices with I2C BUS interface like A D and D A converters display drivers memories temperature sensors etc If you are intrested in this interfaces it can be useful to consider the K51 A VR card for which both technical manual featuring electric diagram and a complete set of examples programs are available In addition remind also some models of QTP operator panel that can be driven with an I2C BUS line as an alternative to asynchronous communication line JAILOG INPUTS AND A D Mini Module GMM ACB Zero provides 8 analog inputs connected to A D converter secti
37. e following table Does not connect PSEN signal of microcontroller and it selects DSW1 1 OFF RUN mode after each turning on or reset of Mini Module the program saved in microcontroller FLASH memory runs automatically DSW1 2 ON Connect the transmission and reception signals on the proper DSW1 3 ON pins to RS 232 serial driver DSW1 4 OFF Do not connect the transmission and reception signals on the DSW15 OFF proper pins to microcontroller and they allow the 1 connection to RS 232 serial driver Does not connect pin 6 of Mini Module and it lets the signal Dono om qs and the LED LD2 completely driven by user Does not connect pin 5 of Mini Module and it lets the signal DNE om and the LED LD1 completely driven by user 8 Does not connect pin 11 of Mini Module and it lets the signal P2 5 completely driven by user When the DEBUG mode is selected DSW1 1 OFF it allows FLASH for the communication with a PC that executes the FLIP program Boot Loader and it allows the ISP management of the internal memories for user Internal D Blinks the signal LEDs and it interacts with a console connected FLASH to RS 232 serial line and configured for 19200 Baud 8 bit x for user chr No parity 1 Stop bit No handshake The last 8 bytes of this memory are reserved for calibration data Calibration and they can t be changed Either the application program or the data ISP management must preserve
38. eets 1 DDS MICRO 51 42 Zero Rel 5 00 ebaco e Page D 1 05eco bu arit DEBUG 18 19 22 43 Declaration file 34 Default configuration 19 C 1 Demo programs 29 30 C 1 Development 28 Dip switch 12 16 22 Directive 1 Directives 1 Display LCD 26 Documentation 1 A 1 DSW1 16 19 22 C 1 E EEPROM 22 44 Electrostatic noises 1 EPROM 22 ERAM 44 ESD 1 Expansion BUS 9 17 22 44 F First use 28 FLASH 22 44 FLIP 29 32 Flow control 29 G General information 4 GMB 168 24 41 GMM TST 26 TST 2 26 41 1 Ground 17 H Handshake 29 HI TECH 51 42 HYPERTERMINAL 29 I DCBUS 16 Impedance 13 Interrupt 12 19 Introduction 1 IRAM 44 ISP 22 29 32 Page D 2 e ITALIAN TECHNOLOGY ACB Zero Rel 5 00 ITALIAN TECHNOLOGY grifo J JFE 36 L LADDER WORK 33 38 42 Latch 22 LEDs 14 16 18 19 43 Locations 3 M Matrix keyboard 26 Memory 8 12 22 44 Memory allocation 44 MSI01 5 41 N Normative 1 O Options C 1 optocoupled inputs 24 P Parity 29 28 41 17 Peripherals 22 43 Physic protocol 29 Pitch 16 Port 6 16 43 Power down 14 Power failure theshold 13 Power on time 12 Power supply 13 Priority 19 Protection 1 R Real Time Clock 24 Reference voltage 17 Relative hu
39. egrated IDE makes comfortable use of all these tools Delivered on a CD for Windows with user manual and hardware key Page 42 e ACB Zero Rel 5 00 ITALIAN TECHNOLOGY grifo bus DEVICES SOFTWARE DESCRIPTION Below there is a specific description of the software managements of the on board peripheral devices Whenever the reported documentation is not sufficient please search a more detailed description of the devices in manufacturing company data sheets Furthermore in this chapter the microprocontroller internal peripheral devices Timer Counter PCA I O Port s A D UART Interrupt Watch Dog CAN controller etc are not described so if their programmation is necessary please refer to APPENDIX A of this manual In the following paragraphs the D7 D0 and 0 7 indications denote the eight bits of the combination involved in I O operations CONFIGURATION INPUTS The status of three switches of the on board DSW1 can be obtained by software through a simple read operation of the relative bits on Port 2 DSW1 6 gt P27 DSW1 7 gt P2 6 DSW1 8 gt P25 The acquisition is in inverted logic in fact ON position corresponds to logic level 0 and OFF position cooresponds to logic level 1 During the development of application program the user must consider that the configuration inputs preclude the use of the connected signals as user I Os or fo
40. er electronic mechanical magnetic optical chemical manual or otherwise without the prior written consent of grifo IMPORTANT SYMBOLS DESCRIPTION Trade Marks abaco grifo are trade marks of grifo Other Product and Company names listed are trade marks of their respective companies ITALIAN 10 grifo _ bus GENERAL INDEX INTRODUCTION 1 VERSION P 3 NOTES ABOUT MINI MODULE NAME eren sees ense en ento sons tn sena tastes ease 3 GENERAL INFORMATION casccssscassascseisteescatvcthnnsiecesasatencusacetndessctunsnnseiesatacadueresssivecaescnuseusialetes 4 SERIAL COMMUNICATION 5 DIGITAL VO 6 PC BUS IQ oper 6 ANALOG INPUTS AND A D CONVERTER 6 MEMORY DEVICEN iscct ssunscinsenicbs 8 WATCH DOG 8 CLOCK e 8 BOARD CONFIGURATION ee ena B eehh equ casscastsroncsiveoannedeiasaiatsansiaceuscnscodesinatatsies 9 EXPANSION BUS Dein EN QUNM 9 CONTROLLER T 10 POSSIBLE APPLICATIONS
41. ero configuration GMB 168 configuration DSW1 1 OFF J2 2 3 DSW1 2 ON J3 not connected DSW1 3 ON J5 2 3 DSW1 4 OFF J6 J7 18 2 3 DSW1 5 OFF J9 not connected DSW1 6 OFF J10 1 2 4 5 DSW1 7 OFF Jil 1 2 DSW1 8 OFF J12 connected J13 J19 J20 not connected 14 1 2 J15 1 2 J16 2 3 J17 2 3 18 2 3 Serial connection cable with development PC AMPS Cable with female D9 connector GMM Zero Rel 5 00 Page 25 abaco e bus grifo _ ITALIAN TECHNOLOGY Amongst grifo cards GMM TST and GMM TST 2 are the ones designed specifically to be the evaluation boards for GMM xxx Mini Modules with 28 and 40 pins The GMM TST 2 is an evolution of GMM TST but for Zero mini module both them can be used indifferently This manual will describe the latest GMM TST 2 but everyone can easily use the other model by following the instructions of relative technical manual In APPENDIX B it is available also the complete electric diagram of GMM TST 2 GMM TST 2 allows easily to supply power to Mini Module through the on board linear section that accept a wide range input voltage either DC or AC connect the lines of the I O ports and A D converter signals to comfortable low profile connectors compliant to standard I O this standard pin out is available on some cards that buffer the digital I Os in
42. ets of on board components through its web site This chapter shows only the first pages of the data sheets but the user can dowload the complete documents from the Technical documentation Service link on the home page Features 80C51 Core Architecture 256 Bytes of On chip RAM 2048 Bytes of On chip ERAM 64K Bytes of On chip Flash Memory Data Retention 10 Years at 85 C Read Write Cycle 100K 2K Bytes of On chip Flash for Bootloader 2K Bytes of On chip EEPROM Read Write Cycle 100K 14 sources 4 level Interrupts Enhanced 8 bit Three 16 bit Timers Counters Full Duplex UART Compatible 80C51 MCU with CAN Maximum Crystal Frequency 40 MHz In X2 Mode 20 MHz CPU Core 20 MHz Controller and Five Ports 32 4 Digital I O Lines Five channel 16 bit PCA with Flash Memory PWM 8 bit High speed Output Timer and Edge Capture Double Data Pointer AT89C51 21 bit WatchDog Timer 7 Programmable Bits A 10 bit Resolution Analog to Digital Converter ADC with 8 Multiplexed Inputs SPI Interface PLCC52 VPFP64 and CABGA 64 packages only Full CAN Controller Fully Compliant with CAN Rev 2 0A and 2 0B Advance Optimized Structure for Communication Management Via SFR nformatio n 15 Independent Message Objects Each Message Object Programmable on Transmission or Reception Individual Tag and Mask Filters up to 29 bit Identifier Channel 8 byte Cyclic Data Register FIFO Mes
43. expansion BUS are available directly from grifo technicians and inside microcontroller data sheets CAN INTERFACE About electric specifications of CAN BUS according with ISO 11898 standard it is a differential line with a 60 Q impedance This line is considerably different from the two CAN communication signals available on CN1 that are at TTL level For this reason the connection of GMM ACB Zero to any CAN interface must be absolutely performed by inserting a proper CAN line driver For detailed descriptions of this driver please read the data sheet of the selected components that normally supplies also some application schematics for example it can be examined the PHILIPHS P82C250 component By developing a right connection of the driver both on TTL side signals from controller of Mini Module and differential side of CAN BUS it can be reached the 1 Mbit sec speed and it can communicate with each device provided of the same interface For example on the CAN line it is suggested to add two termination resistors 120 62 at the edges of the same that ensure the right impedance whenever the systems connected on the CAN network have high differences of potentials the subsequent problems of communication and or functionality can be solved by wiring also the grounds of the systems Among grifo cards there is a rich list of cards provided of CAN interface that are ready to use even in the Mini Module format the user can examine these pr
44. ffered in RS 232 with protection against 15 KV discharges Reset and power supply control circuit Software I2C BUS line available on connector CAN controller compatible with 2 0A and 2 0B standards 8 configuration Dip switches with 3 ways acquired by software 2 signal LEDs managed by software through digital I Os Internal FLASH and EEPROM can be managed through the In System Programming by using only the serial communication line even when the module is already mounted Free software for PC that supports the ISP modality in a fast and comfortable way Wide range of development tools as C compilers uC 51 HTC51 SYSS51CW DDS Micro C51 BASIC compilers BASCOM 8051 PASCAL compilers SYS51PW Contact Logic LADDER WORK etc Long list of demo programs and use examples supplied under source duly remarked and executable format for the available development tools Via dell Artigiano 8 6 40016 San Giorgio di Piano g r ifo Bologna ITALY ITALIAN TECHNOLOGY grifo grifo it http www grifo it http www grifo com Tel 39 051 892 052 a r FAX 39 051 893 661 GMM ACB Zero Rel 5 00 Edition 13 June 2007 27 GPC grifo are trade marks of grifo DOCUMENTATION COPYRIGHT BY grifo ALL RIGHTS RESERVED No part of this document may be reproduced transmitted transcribed stored in a retrieval system or translated into any language or computer language in any form or by any means eith
45. functions as counters combinations chack events manager interrupts etc generate a galvanic insulated voltage that supplies the NPN or PNP inputs in order to connect simple and low cost external pure contacts connect eight TTL lines of the I O ports to bufferd relays outputs visualized through red LEDs connect the I2C BUS complete of power supply on a dedicated connector connect the communication serial line through a comfortable 8 pins standard AMP MODU II connector buffer the signals of the TTL serial line from Mini Module in RS 422 RS 485 or passive Current Loop connect the PWM signals through a comfortable standard AMP MODU 8 pins connector generate a reference voltage for A D section and connect one analog input When RTC option is ordered obtain a commplete Real Time Clock installed on board featuring date and time periodic interrupt generation 240 Bytes of SRAM and Lithium batterty backup provide comfortable wiriings by quick release screw terminal connectors and other standard connectors perform a fast mechanical mounting on omega rails E Page 24 GMM ACB Zero Rel 5 00 ITALIAN TECHNOLOGY 210101 ca C cr s2 B feja A FicunE 15 GMB 168 GMM ACB ZERO COUPLE The following configurations allow to use the couple GMB HR168 GMM ACB Zero in RUN mode with RS 232 serial line GMM ACB Z
46. g link file for small model copE SIZE CODE 1199 4AFH IDATA SIZE IDATA 79 4 Linking with no errors Ready MPUB051 DEMO 52 9 18 FIGURE 33 COMPILING RESULT WITH LADDER WORK GMM ACB Zero Rel 5 00 Page 39 abaco e bus grifo _ ITALIAN TECHNOLOGY D4 05 The compiling time change according to used development PC anyway the user must wait that all the phases are completed as described in the low window of IDE At this point an HEX file must be obtained equal to those available on grifo disk and already used at points Reperform the programming and the test of the HEX file obtained by compiler by executing again the steps C5 C16 When during execution of the steps above described a problem or a malfunction is found we suggest to read and repeat again all the steps carefully and if malfunction persists please contact directly grifo technicians Instead when execution of all the steps is right the user has realized his first application program that coincides with demo of GMM ACB Zero At this point it is possible to modify the source of the demo s program according to application requirements and test the obtained program with the steps above listed from B1 to D4 in cyclic mode until the developed application program is completely well running About the FLIP settings please remind that they
47. ies Communication execute it and through the properties windows setup the communication parameters to Connect directly to COM x those used at point A1 Bit rate 19200 Data Bits 8 Parity No Stop Bit 1 Flow control None As an alternative it can be used any other serial communication program and also the terminal emulation integrated in BASCOM 8051 Select RUN mode that is DSW1 1 of GMM ACB Zero in OFF position Supply power voltage to Mini Module or reset it and then check that its LED or LEDs continuosly blink contemporaneously on development PC monitor appears the demo program presentation message Each GMM ACB Zero received for the first time is delivered with its demo program already saved in FLASH and arranged to start automatically at power on with the described functionalities If these results are not obtained please check again the power supply the serial connection and the DSWI configurations Follow the instructions of the demo test all the resources of Mini Module and verify the obtained effects directly on hardware the user can interact with demo by using the development PC as a console When demo execution is completed turn off GMM ACB Zero power supply Exit from HYPERTERMINAL program on development PC BLO DIB AYE C1 GMM Zero Rel 5 00 On the received grifo disk find and then install the utility program FLIP
48. ifo disk and already used at points C Page 34 6 GMM Zero Rel 5 00 ITALIAN TECHNOLOGY grifo bus The compiling time change according to used development PC anyway the user must wait that both the passes are completed through a specific status window displayed during compilation and then check that the bottom side of IDE doesn t show errors In other words at the end of compilation it must be displayed a window similar to those reported in following figure d 8101 1 Zero WiALBU_ uk bas Fie Toots Options Widow W ants declaration Const Cret 13 Comple program F7 Carriage return Const Nl 10 New line Const Clrscr 12 Clear screen Const Bell 7 Bell Const R 1 I2C Dus read option Const V 0 12C Bus vrite option Const Fcan 7372800 CAN hase frequency Const Ee tineout 5000 Tix eout internal EEPR Const Debiter 10 Iterations number or Variables declaration Generic use Dim 51 String 1 S2 As String 1 One character strings Die S An Byte Byte General Purpose byte Dim Cntintr As Byte Interrupt counter Terminal emulation deao Dim Debent Byte Dia Debcod As Byte Dim Byte Dim Rov Byte
49. ip switch DSW1 that short circuit to ground LDn O Signal connected to visualization LED LDn INTn I Interrupt lines n of microcontroller Tn I Signal connected to section Timern of microcontroller T2EX External trigger signal for Ttimer 2 SCL I O Clock lines of software 12 BUS interface SDA I O Data lines of software I2C BUS interface Page 16 Ep Guus ac 5 00 ITALIAN TECHNOLOGY grifo bus RxD CAN I Receive Data of CAN controller TxD CAN O Transmit Data of CAN controller Vref I A D converter reference voltage ANn Analog inputs connected to A D converter section CEXn I O Signal connected to section PCAn PWM outputs capture and compare inputs etc ECI I External clock signal of PCA sections ADn I O Low addresses signals and data signals of expansion BUS An O High addresses signals of expansion BUS WR O Write signal for data area of expansion BUS RD O Read signal for data area of expansion BUS PSEN Read signal for code area of expansion BUS ALE O Latch signal for low addresses of expansion BUS RES I Reset signal 5 Vdc I 5 Vdc power supply voltage GND Ground SUPPLY CONTROL WATCH DOG RESET POWER On GMM ACB Zero are available three different reset sources that can be so summarized 1 Power supply control circuit that enables the reset when the power supply voltage de
50. is simplified by a wide range of software developement tools based either on low or high level programming languages which allow to work at the best conditions using only a standard PC Noteworthy among these tools there are the C PASCAL BASIC compilers and a graphic programming environment based on logic contact LADDER Special care has been devoted to the application developing by selecting tools which allow on board FLASH burning with user application program and remote debug directly on the card always with the simple use of a standard PC The GMM ACB Zero is equipped with a normalized standard connector that allows immediate mounting on support cards as GMM TST 2 GMB HR168 and GMB HR246 or mounted directly on a board developed by the user as a macro component Both the solutions ensure a short time to market the user can obtain a prototype or even a ready product in one week Overall features of GMM ACB Zero are Standard format with 40 pins male socket Dual In Line 100 mils pitch 600 mils width Very small dimension 21 x 54 x 13 mm 4layers printed circuit board to obtain best noisy resistance and best EMI performances Single power supply required 5 Vdc the current consumption may vary according to module connections and status Availability of low consumtion modality as Idle and Power Down Modes Atmel 89C51CC03 microcontroller 8051 code compatibile with 14 74 MHz crystal Programmable machine speed at 12 or
51. mentation included in the software package Page 35 GMM Zero Rel 5 00 abaco e bus grifo __ ITALIAN TECHNOLOGY D3B2 By using JFE editor first of all run the homonimous program from Windows start menu and then open the environment file of the demo program with WSP extension through the menu File Open Workspace Whenever this file is not availabl the user can generate it or alternatively he can use the uEdit and UmShell programs described later Cerca in 3 GmmACBZero 2 c Nome file 0 Tipo file Workspaces wsp Annulla 2 FIGURE 25 LOAD ENVIRONMENT FILE WITH WC 51 AND JFE At this point everything is ready to use and in order to create the executable code of the program it is sufficient press the RE MAKE button on the command bar of JFE Then when compilation stops verify that no errors have been found as visualized in the following figure T Be Ed 2 zizi x Ele es AA XP Inicializes the serial line vith x chr 8 Stop bit 1 Parity None PYVCB0_uk rp Baud rare baud D peschi uk using timer 2 as baud rate generator Formal parameter baud is used also as local variable for calculations M byte id 20 61d initer untigned
52. microcontroller Maximum address spaces 64K Bytes only in data area in fact the code area is completely used by the 64K Bytes of the on board FLASH Very simple interfacement circuit that normally requires a single latch for example a 74 573 component that memorizes the low part of the addresses multiplexed with data Suitable for connection of external parallel memories as SRAM EPROM FLASH EPROM EEPROM Suitable for connection of all the external peripherals provided of a parallel BUS as digital I O controllers A D converters D A converters serial communication controllers CAN USB asynchronous serial lines etc hardware counters etc The expansion BUS can be easily used to realize a standard ABACO I O BUS interface that allows an istantaneous connection to the wide range of grifo peripheral cards ready to use Simple software management of the expansion BUS that is addressed with all the instrunctions for external memory access provided by the microcontroller or by the selected programming language Page 22 e ACB Zero Rel 5 00 ITALIAN TECHNOLOGY gr ifo bus The block diagaram of the following figure shows how the expansion BUS can be realized in a simplified mode for the available addressable area SRAM EEPROM etc 15 8 FIGURE 14 EXPANSION BUS FOR DATA AREA Detailed electric diagrams and or additional information about
53. midity 12 Relay outputs 24 Reset 17 Resolution 12 GMM Zero Rel 5 00 rebaco e Page D 3 abaco eeu orit RS232 5 13 16 21 28 C 1 Rules 1 RUN 18 22 29 40 43 C 1 S Safety 1 Security 8 Serial communication selection 20 Serialline 19 Size 12 Socket 16 SRAM 44 Stop bits 29 Support cards 24 SYSSICW 42 SYSSIPW 42 T Temperature 13 Temperature range 12 Timeout error 31 Timer 12 16 Trademarks 2 TTL 5 20 21 V Version 3 Vref 17 Warranty 1 Watch Dog 8 12 17 Weight 12 X2 mode 8 e Page D 4 ITALIAN TECHNOLOGY ACB Zero Rel 5 00
54. nd the ISP management of EEPROM must preserve these bytes in order to avoid malfunctions of Mini Module Page 44 e ACB Zero Rel 5 00 ITALIAN TECHNOLOGY grifo bus BIBLIOGRAPHY In this chapter there is a complete list of technical books where the user can find all the necessary documentations on the components mounted on GMM ACB Zero ATMEL manual Data sheet 89 51 03 MAXIM manual New Releases Data Book Volume IV MAXIM manual New Releases Data Book Volume V MAXIM technincal documentation True RS 232 Transceivers PHILIPS manual 60C51 Based 8 Bit Microcontrollers PHILIPS manual Application notes and development tools for 80C51 microcontrollers The described manuals can be requested directly to manufacturer or local dealers Alternatively this information and or their upgrades can be found in specific internet web pages of the listed companies Many manuals in electronic format are available also in our technical documentation service as described in APPENDIX A Page 45 GMM Zero Rel 5 00 abaco e bus grifo __ ITALIAN TECHNOLOGY Page 46 e ACB Zero Rel 5 00 ITALIAN TECHNOLOGY grifo bus grifo provides a completely free technical documentation service to make available the data she
55. o sources the reset circuit stays enabled for the reset time about 200 msec and then it is disabled while for the third source it is enabled only for few usec At this point all the sections of the card are reset in order to warrant a complete reset status and it resumes execution of the program stored on FLASH at the address 0000H The reset circuit with these features ensures the right functionality of the card and of all the possible connected electronics in each working condition and especially during the dangerous and difficult phases of power on and power off GMM ACB Zero Rel 5 00 Page 17 abaco e bus grifo _ ITALIAN TECHNOLOGY GMM Zero module there is an 8 ways Dip switch named DSWI that defines some configurations of the card In the following figures is reported their list and their functions in all the available connection modes Connects PSEN signal of microcontroller to ground zero volt When Mini Module is turned on or reset in this condition DEBUG mode is enabled and Boot Loader runs Does not connect PSEN signal of microcontroller When Mini Module is turned on or reset in this condition RUN mode is enabled and the program saved in microcontroller FLASH memory runs Connects transmission signal on pin 10 of CNI to RS 232 serial driver DSW1 4 must be OFF to avoid conflicts Used in conjunction with switches 3 4 5 Does not
56. oducts before than he adds the driver to GMM ACB Zero GMM Zero Rel 5 00 Page 23 abaco e bus grifo _ ITALIAN TECHNOLOGY GMM ACB Zero Mini Module can be used as a macro components for some support cards either developed by the user or directly chosen from the grifo boards In the following paragraphs are described the coupling with the most interesting support cards USE WITH GMB 608168 MODULE The GMB HR168 is signalized because it is specifically designed to connect the 28 or 40 pins Mini Modules to field signals through proper power circuits optocoupled in order to be easily and fastly installed in the electric control box of the system that must be developed The complete description of this product is available in the relative data sheet and technical manual while in this paragraph are listed the advantages obtained by using this pair of cards and the configuration of each part GMB 168 allows easily to supply power to Mini Module through the on board switching section that accept a wide range input voltage either DC or AC connect sixteen TTL lines of the I O ports to optocoupled inputs that can be indifferently NPN or PNP type The status of all the 16 inputs is visualized through green and yellow LEDs As the connected lines of Mini Module are multiplexed with internal peripheral devices it is possible to obtain high level
57. odule GMM ACB Zero and development PC or on the other hand connect the two communication signals TX RS232 RX RS232 and the reference ground signal GND to a free COMx serial port of PC Obviously this connection changes according with possible support card used but generally it is described by following figure DB25F DB9F serial line 5 N lt 2 Z GMM TST 2 17 RS 232 SERIAL CONNECTION BETWEEN ACB ZERO AND PC On figure 17 it can be easily discovered that the connection cable with GMM TST 2 GMM ACB Zero is a normal serial extension cable as those used for example for RS 232 modems and it can be also ordered to grifo with the code CCR 9 9E A2 Provide a suitable power supply when the Mini Module is used alone this voltage must be applied as described in POWER SUPPLY paragraph for example by using a laboratory bench model Viceversa when a couple is used it can be used many different power sources as described in technical manual of the support card where Mini Module is installed e Zero Rel 5 00 Page 28 ITALIAN TECHNOLOGY grifo bus 138 TT OIE DIEN IO ON 00101748 2 B3 B4 B5 B6 Found the HYPERTERMINAL communication program on the development PC that normally is located on Windows menu Start Program Accessor
58. ompiler assembler optimizer linker library simulator and remote symbolic debugger included in an easy to use integrated development environment for Windows DDS MICRO 51 low cost ross compiler for C source programs It is a powerful software tool that includes editor C compiler integer assembler optimizer linker library and remote debugger in one easy to use IDE Includes the library sources and many utilities programs BASCOM 8051 cross compiler for BASIC source programs It is a powerful software tool that includes editor BASIC compiler and simulator included in an easy to use integrated development environment for Windows Many memory models data types and direct use of hardware resource instructions are available 51 It is a comfortable low cost software package with a complete IDE that allows to use editor and ANSI C compiler and assembler a linker and a remote source level debugger user configurable Souces of main libraries and remote debugger are included and so severl utility and demo programs LADDER WORK it is an easy to use system capable to generate automation application using the very famouts and diffused contacts logic It includes a graphic editor to place and connect hardware components of the card like digital I O counters A D etc like on an electric diagram and define their properties an efficent compiler to create the executable code and an utility to download it to card memories Int
59. on a comfortable folder of development PC hard disk FLIP manages the ISP programming of FLASH EPROM on GMM ACB Zero and it interacts with the Boot Loader executed by the same module You can freely dowload and install the latest version of FLIP directly from Atmel web site www atmel com Create a new folder on hard disk of development PC that will be the place where the user saves all his files up to now this folder is named working folder Page 29 abaco e bus grifo __ ITALIAN TECHNOLOGY C3 Onthe received grifo CD find the demo program of GMM ACB Zero this file has the name visualized in the start up phase at point B3 and it can be reached from the start page of CD by follwing the path English Examples Tables Mini Block and Mini Modules programs In the displayed table it must be clicked the red push button placed on the cross betwwen the column with used programming language abd the row with the card neme Whenever the row for GMM ACB Zero is not in the table it can be used those for GMM AC Zero the demo programs of the two cards can be exchanged C4 Copy all the files found at previous point to working folder created at point C2 At the end please ensure that all the files copied on hard disk have the Read only attribute disabled PROGRAMS FOR MINI MODULES AND MINI BLOCKS ott
60. on of microcontroller These inputs can be connected to external sensors that convert many physic quantities as temperature pressure speed weight etc or any other system that supplies a compatible voltage signal Main feautes of this section are resolution 10 bits 8 indipendent analog inputs maximum accepted range 0 3 V conversion time on a single channel 20 usec very easy software management end of conversion interrupt A D conversions are performed using the successive approximations technique and are made through opportune manipulation of specific microcontroller internal registers In order to simplify the A D converter management some software packages are provided with specific procedures that manage all details of this section For further information please refer to data sheet of APPENDIX A of this manual or paragraph CONNECTIONS e Page 6 ACB Zero Rel 5 00 ITALIAN TECHNOLOGY grifo bus _ DSW1 1 RUN DEBUG 2K BOOT LOADER Power supply Reset controller CPU 9 51 03 Linea 12 BUS software TTL I O signals TIMER 64K 22K 2K Poe COUNTER FLASH 12 TTL multifunction signals 40 Pins Socket 8 Analog signals PCA PWM COUNTER x TTL serial line a DRIVER ALE PSEN for expansions v WATCH INTERRUPT EH UART v gt FIGURE 2 BLOCK DIAGRAM
61. ontrol on medium and low distances Application in home automation where it performs tasks like lights turning ON OFF heating and cooling systems control supervision of electric devices security and acces control systems gardens sprinkle etc Car automations automotive as lights turning ON OFF heating and cooling systems control supervision services for drivers anti teft and acces control systems functionality checks etc Also the CAN applications are possible but only when the Mini Module is integrated with an external line driver So it can be used again in automotive applications in the connection to CAN networks based on propietary protocols or standard protocols as CANopen DeviceNet SDS CAN Kingdom J1939 etc Last but not least the didactics use in fact GMM ACB Zero offers a very low cost system suitable to learn microcontroller with famous 8051 core and to develop the typical start applications for the students For this purpose it is likewise interesting the GMM TST or GMM TST 2 support cards that solve the problems of power supply of serial connection to development PC and of module lines connection In the same support cards there a matrix keyboard and a LCD display that allow to study and test some low cost user interface solutions All the applications where it is necessary to reduce developing time and price in fact the module can be mounted directly on the board developed by the user as a ready to use m
62. ows the most accessible one PRINTED CIRCUIT version FIGURE 1 LOCATION OF PRINTED CIRCUIT VERSION 4 AMIE NOTES ABOUT MINI MODULE N Please note that near the printed circuit revision number just described the card name is GMM ACB In fact GMM ACB Zero is realized by using the GMM ACB printed circuit where it is mounted an 89 51 03 microcontroller In order to distinguish GMM ACB and GMM ACB Zero it is necessary to check the component installed on IC3 and then use the following corrispondence Mounted microcontroller gt Module name Atmel 89C51CC03 GMM ACB Zero Atmel 89C51AC2 Page 3 GMM ACB Zero Rel 5 00 abaco e bus grifo ITALIAN TECHNOLOGY GMM ACB Zero is a Mini Module based on microcontroller Atmel 89 51 03 that is a powerful and complete system on chip provided with CPU internal memories and a rich list of peripherals suitable for typical requirements of automation applications The module has already mounted inside its reduced size the components that exploit the main features of microcontroller and allows the use of all the operating modes furtermore it includes some other components that simplify and increase the application fields GMM ACB Zero can be used for many installations either in the industrial domestic automotive and didactic environments as described in following paragraphs The card use
63. r out E CPU leggimi txt gt FAM_I51 1 551 E UC51 Program pracb uk s51 E E gt GmmACBZero H Tipo file Unit Standard files Bete FiGunE 27 LOAD SOUCE FILE WITH 51 AND VEDIT D3B3 Going on with uEdit and UmShell then run the second program from Windows start menu and then open the project file of the demo program with MAK extension through the menu File Open Cerca in C3Gmm cEZeo amp l e a uk mak Nome file PrACBO_uk mak Tipo file Makefiles Annulla FIGURE 28 LOAD PROJECT FILE WITH UC 51 AND UMSHELL The project file defines all the compiler modalities of the source and so it decides the features of the generated executable code especially for data and code areas allocation optimizations console management etc D3B5 Still using uEdit and UmShell now compile the source by pressing the second button from the right of UmShell or alternatively through its menu Make Remake Target During the compile phase it must be checked that no errors are found and at the end an HEX file must be obtained equal to those available on grifo disk and already used at points C GMM ACB Zero Rel 5 00 Page 37 abaco e bus grifo _ ITALIAN TECHNOLOGY The compiling time change according to used de
64. r visualization LEDs When one of these functionality is required the DSW1 6 8 must absolutely be in OFF position Moreover the DSW1 1 acts as a RUN or DEBUG selector after a reset or a power on the switch is in ON position the Boot Loader is run otherwise when the switch is OFF the user program saved in internal FLASH is executed starting from address 0 of code area VISUALIZATION LEDS The LEDs LD1 and LD2 can be software driven and their status can be defined by simple operations on relative bits of Port 2 LD1 green gt P2 6 LD2 red gt P27 Driving is in inverted logic in fact LED is ON when bitis 0 and LED is OFF when the corresponding bit is 1 All signals of Port 2 are kept at logic level 1 during the reset or the power on so when one of these phases happen both LEDs are disabled Page 43 GMM Zero Rel 5 00 abaco e bus grifo _ ITALIAN TECHNOLOGY MULTIFUNCTIONS SIGNALS Numerous signals connected to CN1 can be used with different functionalities that are software selectable by developed application program The specializations of the multiplexed signals is performed through proper settings of internal registers of microcontroller as described in the component data sheet For example the pins 26 33 can operate as analog inputs ANn or as digital I Os P1 n according with setting of ADCF register when they are configured as I Os then the
65. rammed by the user placing them on the proper code area viceversa the interrupts priority level and activation are sofware programmable through specific internal registers So the application program can always react promptly to every events by defining also the priority of contemporaneous interrupts Page 19 GMM Zero Rel 5 00 grifo _ ITALIAN TECHNOLOGY CONNECTOR SIGNA INTERFACE 2 E Z In order to prevent possible connecting problems between GMM ACB Zero and the external systems the user has to respect carefully all the indications and figures of the manual and he must follow these instructions For RS 232 signals the user must follow the standard specifications of this protocol defined by CCITT normatives All TTL signals must follow the rules of this electric standard The connected digital signals must be always referenced to card ground GND and then the OV level corresponds to logic status 0 while the 5V level corresponds to logic status 1 The connection of these lines to devices of the controlled system encoders switches proximity electric valves relays motors etc must be performed through proper power interfaces it is preferible to adopt opto coupled interfaces that ensure an electric insulation between Mini Module electronic and external noisy typically generated by power electronic The inputs for analog section must be conne
66. rements In this paragraph there are connector pin out a short signals description including the signals direction and connectors location see figure 8 that simplify and speed the installation phase Some additional figures shows the pins functionalities and some of the most frequently used connections All the connectors of grifo cards follows standard pin outs in order to obtain a modular electronics where each cards can be changed with many others of the same or different type This reduces times and costs when modules become obsolete or insufficient for the application requirements Page 15 GMM ACB Zero Rel 5 00 abaco e bus grifo __ ITALIAN TECHNOLOGY CN1 CONNECTOR WITH MINI MODULE SIGNALS CNI is a 40 pins male dual in line socket connector with 100 mils pitch and 600 mils width On this connector are available all interfacement signals of the Mini Module as the power supply the I O lines the asynchronous and synchronous communication lines the on board peripheral devices signals the expansion signals etc Many pins of the connector have multiple functions in fact by software some internal sections of microcontroller can be multiplexed with I O signals and the following figure list all these possible functionalities So the signals available on CN1 have different characteriistics as described in the following CONNECTOR SIGNALS IN
67. ro Rel 5 00 ITALIAN TECHNOLOGY gr ifo bus ELECTRIC FEATURES Power supply voltage 5 Vdc 5 Current consumption 48 mA normal 64 mA 2 maximum Analog inputs voltage range 0 Vref A D reference voltage Vref 0 3 V Analog inputs impedance high Power failure theshold typical 4 65 Vdc RS 232 protection 15 The reported values are referred to 20 C environment temperature for further information please refer to chapter POWER SUPPLY An Anh 43 44 nii 3 zz 12345678 A z oo wx 265 4 LO 9 amp o os 422 679 e iu LEUR EST 6 VIEW GMM Zero Rel 5 00 Page 13 abaco e bus grifo _ ITALIAN TECHNOLOGY INSTALLATION In this chapter there are the information for a right installation and correct use of the card ACB Zero In detail there are the locations and functions of each connector of the user settable Dip switches LEDs and so on ISUAIL SIGNALATIONS GMM ACB Zero is provided of the LEDs described in the following table 7 LEDs TABLE The main function of LEDs is to inform the user about card status with a simple visual indication and in addition to this
68. s saved and validated from the manufacturer related to the inside modes of certainty and quality of the information The reported data are destined INEXCLUSIVE WAY to specialized users that can interact with the devices in safety conditions for the persons for the machine and for the enviroment impersonating an elementary diagnostic of breakdowns and of malfunction conditions by performing simple functional verify operations in the height respect of the actual safety and health norms The informations for the installation the assemblage the dismantlement the handling the adjustment the reparation and the contingent accessories devices installation etc are destined and then executable always and in exclusive way from specialized warned and educated personnel or directly from the AUTHORIZED TECHNICAL ASSISTANCE in the height respect of the manufacturer recommendations and the actual safety and health norms The devices can t be used outside a box The user must always insert the cards in a container that rispect the actual safety normative The protection of this container is not threshold to the only atmospheric agents but specially to mechanic electric magnetic etc ones To be on good terms with the products is necessary guarantee legibility and conservation of the manual also for future references In case of deterioration or more easily for technical updates consult the AUTHORIZED TECHNICAL ASSISTANCE directly GMM A
69. s with the module already mounted by using only the serial communication line Free software for PC that supports the ISP programmation of the generated code inside the on board FLASH Wide range of development tools that requires only a standard PC Among the most diffused there are C compilers uC 51 MCC51 HTC51 SYS51CW DDS Micro C51 BASIC compiler BASCOM 8051 PASCAL compiler SYS51PW language with contact logic LADDER WORK etc Long list of demo programs and user examples supplied under source form duly remarked for the available development tools Here follows a description of the board s functional blocks with an indication of the operations performed by each one To easily locate such sections and verify their connections please refer to figure 2 On GMM ACB Zero it is always available an hardware serial line that is completely software configurable for physical protocol baud rate stop bits number lenght of character etc by simply programming some microprocessor s internal registers The serial line is connected to CN1 connector at TTL or RS 232 level thanks to some on board Dip switches for configuration When the card must be connected in a network or at long distance or with other systems that use different electric protocols the user must provide proper external drivers 1 6 RS 232 RS 422 RS 485 Current Loop etc In addition to standard receive and transmit signals on CNI connector there are al
70. sage Object 16 bit Status and Control Register Message Object 16 bit Time Stamping Register Message Object CAN Specification 2 0 Part A or 2 0 Part B Programmable for Each Message Object Access to Message Object Control and Data Registers Via SFR Programmable Reception Buffer Length Up To 15 Message Objects Priority Management of Reception of Hits on Several Message Objects at the Same Time Basic CAN Feature Priority Management for Transmission Message Object Overrun Interrupt Supports Time Triggered Communication Autobaud and Listening Mode Programmable Automatic Reply Mode 1 Mbit s Maximum Transfer Rate at 8 MHz Crystal Frequency in X2 Mode Readable Error Counters Programmable Link to On chip Timer for Time Stamping and Network Synchronization Independent Baud Rate Prescaler Data Remote Error and Overload Frame Handling On chip Emulation Logic Enhanced Hook System Power Saving Modes Idle Mode Power down Mode 1 At BRP 1 sampling point will be fixed Rev 4182 07 03 AMEL Page 1 GMM Zero Rel 5 00 abaco e bus grifo _ ITALIAN TECHNOLOGY AMEL Power Supply 3 volts to 5 5 volts Temperature Range Industrial 40 to 85 C Packages VQFP44 PLCC44 VQFP64 PLCC52 CA BGA64 Description The 89 51 03 is the third member of the
71. so other I O signals that can be driven by software these signals can be used to define the RS 485 line direction to enable the RS 422 transmit drive or to generate the RS 232 hardware handshakes For example the MSI 01 module can convert a TTL serial line in any other electric standards in a pratical and inexpensive way Please read SERIAL COMMUNICATION SELECTION paragraph of this manual or contact directly grifo technicians for further explanations or any other necessary information about electric protocols Viceversa please read the manufacturer documentation in APPENDIX A of this manual and the numerous supplied examples for detailed description of the internal registers that defines physical protocol and manages basic aspects of communication As described in following pages it is important remind that the module supports also other different types of serial communication as the I2C BUS and the CAN BUS GMM Zero Rel 5 00 Page 5 abaco e bus grifo __ ITALIAN TECHNOLOGY DIGITAL LINES The Mini Module GMM ACB Zero provides 34 digital I O lines at TTL level of the microprocessor Atmel 89 5 1 grouped in four 8 bits ports P1 P2 and P3 and in one 2 bits port P4 A standard rules defines the names of all the signals on the Port as PO 0 7 P1 0 7 P2 0 7 P3 0 7 and P4 0 1 These lines are connected directly to 40 pins connector with a stan
72. these bytes to avoid Mini Module malfunctions Internal EEPROM for user FIGURE C1 DEFAULT CONFIGURATION Previous table can be reduced anymore by asserting that the product is supplied calibrated with all the I O lines free for user and ready for an RS 232 serial communication with a physic protocol of 19200 8 No 1 The GMM ACB Zero hasn t options that can be added in the order phase as described in the SUPPORT CARDS chapter there are other boards suitable for direct Mini Module mounting that allows an immediate use of all the available resources GMM Zero Rel 5 00 Page C 1 abaco e bus grifo __ ITALIAN TECHNOLOGY Page C 2 e GMM ACB Zero Rel 5 00 ITALIAN TECHNOLOGY grifo APPENDIX D ALPHABETICAL INDEX Simboli HEX 31 34 37 40 RES 17 uC 51 33 35 42 A A D converter 6 12 13 20 Access 44 Accessories 28 C 1 Analog inputs 13 17 Assistance 1 AT89C51CCO3 12 31 33 A 1 Attribute 30 B BASCOM 8051 33 35 42 BatchISP 33 Baud rate 29 31 Bibliography 45 Bits x chr 29 Boot Loader 22 31 43 BUS 9 17 44 10 17 23 Clock 12 16 Code area 22 Communication 5 29 COMx 28 Connector 16 Container 1 Control signals 17 Conversion time 12 Counter 12 16 CPU 12 Current consumption 13 D Data area 22 44 Data bits 29 Data sh
73. tions through a single program with no renounce to other input lines the typical applications are languages selection definition of program parameters operating modes selection etc Moreover one dip is used at power on or after a reset to determine which working modality RUN or DEBUG is used that is respectively whether the microcontroller has to run the user application program or the Boot Loader In addition the board is also provided with two signalation LEDs these are software manageable and can be used to signal the board status and configurations in a visual ways as described in the specific paragraphs All the configuration resources described are completely software manageable by simply using few specific registers of the microcontroller For further information refer to paragraphs DIP SWITCH VISUAL SIGNALATIONS and VISUALIZATION LEDS EXPANSION BUS The GMM ACB Zero is provided of an interesting and innovative feature for grifo Mini Module that is the possibility to obtain an expansion BUS By connecting some of the signals on connector to a very simple external circuit you obtain a real parallel BUS with 8 bits complete of data addresses and control lines As described in EXTERNAL EXPANSIONS paragraph with this feature can be connected either parallel memories and or numerous I O peripherals by obtaining an extraordinary enlargement of the potentialities and possible application fields of the module
74. velopment PC anyway the user must wait that all the phases are completed as properly visualized by UmShell window by obtaining a condition similar to following figure TA UmShell C CPU FAM_151 uC51 Program GmmACBZero PrACBO_uk mak IBI x File Edit Search Make Options Help Miis uen Al bl make C CPU FAM_I51 UC51 bin uc51 pracb8 uk c pracb8 uk s51 IC CPU FAM_I514 UC51 include Umake C XCPUXFAM 151 0651 61 51 e pracb8 uk s51 iC CPU FAM_I51 UC51 include g Unake C CPU FAM_I54 UC51 bin farg link lnk pracb8 uk obj Umake C CPU FAM_I51 UC51 bin 151 e opracb8 uk bin Glink lnk 1C XCPUXFARH I51NUC51XlibNsm Binary pracb8 uk bin start 8 end 91641 total size 16d2 dec 5842 bytes used dec Sclass text start 6 end 16d1 size 16d2 dec 5842 Bytes Sclass dram start 528 end size 4b dec 75 Bytes Sclass iram start 66 end 85 size 1b dec 27 Bytes Umake C CPU FAM_I51 UC51 bin bin2hex pracb8 uk bin pracb8 uk hex Umake sex 4 Complete Remake of the main Target FIGURE 29 wira 51 AND UMSHELL D3C1 First of all execute the LADDER WORK from Windows start menu and when his IDE is opened load the schematic of demo program with PJN extension through the menu File Open Cerca in GMMACBZero Nome file PrACBO PJN Tipo file Ladderw OR
75. y can operates as Timer 2 or PCA signals by enabling properly these two peripherals MEMORY ACC On GMM ACB Zero Mini Module are available different memory types that can be easily managed by user application program as below described Memory Allocation Access Management 32K bytes of FLASH Code area R Instructions for code area reading W Calls to Boot Loader functions 256 bytes of IRAM Internal data area R W Instructions for internal RAM either with direct and indirect access 1K bytes of ERAM External data area R W Instructions for external RAM access 2K bytes of EEPROM Dedicated area R W Through dedicated Special Function Registers while externally it can be connected the following memories on the expansion BUS 64K bytes of SRAM Data area R W Instructions for external RAM access FLASH EEPROM The addressing modalities and the instructions for memory access of the microcontroller are explained in the data sheets of the device so please consult them or the APPENDIX A at the end of this manual This know how become necessary when the user program is coded in assembly viceversa when an high level development tools is used the memories are located and managed automatically and confortably by using specific format specifiers in the variables declarations It is is important remind that the last 8 bytes of on board EEPROM are reserved for calibration data and they must can t be modified Both the user application program a

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