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Visual Parsic V4 User manual

1. D Mew Strg h p ee ny i g d Dh a Open Strg o Settings Tools Window Used variable H Save Strg 5 Undo delete Alt R ck Bh eels Tools Window AVE a5 Select all Strg Special Microcontroller cae Load macro Copy strg t Cascade WE save macro Insert strg SOREN Tile 3 Build HEY File Fin Helke veer Colors Arrange icons Search Strg F Simulation Minimize all i Print Strg P Printer settings Object order Strg F Assembler Sheet Page Close Alk F4 I2C SPI Device Project w 1 Sheet Page 1 Window Help Tools configuration Mplab 8 90 F11 Pickit2v2 Fl2 Start Parsic 4 Configuration Parsic 4 2 0 To program a PICmicro with a executable file HEX apply the following instructions Step 1 Edit 12C SPI menu Open the EDIT menu and click the Edit 12C SPI Device From button File locate in Parsic 4 folder the file Device ini Double click on it and next confirm OK Edit I2C SPI Device File Type O Parsic 4 12C Device B Examples SPl Device Progetti Device Device MCP23517 a a Caa Control Code CC 0100 Comment Function Port expander with two 8 bit ports Init GPA and GPB as output Coe Commands WRITE CC BADR WR WRITE 0 WRITE 0 WRITE 0 START WRITE CC BADR WR WRITE 12 WRITE 0 WRITE 0 Clear GPA Clear GPB selec
2. 55 SPI Commands Also see Constants START The device will be disabled CS high and then activated CS low This command is useful within a function to read or write to different register addresses WRITE lt DATA gt lt DINx gt Sends one byte lt data gt over the bus READ lt DOUTx gt Receives one byte lt data gt from the bus Example WRITE CC BADR WR Sends one byte formed from the Control Code bus address and WR next is a WRITE WRITE ADR1 Sends the lower byte from the connection ADR of the object WRITE DIN2 Write data from input DIN2 WRITE SAA Sends SAA decimal 170 over the bus WRITE 255 Sends 255 Hexadecimal SFF over the bus START new command begins WRITE CC BADR RD Sends one byte formed from the Control Code bus address and RD next is a READ READ DOUT1 Reads one byte and write it to the output DOUT1 SPI Constants 212 Also see SPl Commands Hint The constants CC BADR RD and WR are normally for devices which have seperate versions for the 12C Bus and for the SPI Bus eg MCP23017 12C MCP23S17 SPI Control Code CC The Control Code is part of the Slave Address Bit 7 4 Each Device has his own Control Code He is pretended from the manufacturer and must taken from the data sheet An EEPROM 24Cxx has e g the control code 1010 binary Bus Address BADR The bus address is the second part of the address Bit 3 1 under which the device will be address
3. eS 4K words 8 Kbvtes Boot Block size 18 Step18 Boot block code protection 000000 0007FF Boot block code protection Boot Block OUQ000 0007FF A not code protected ka Boot Block 000000 000FFFh not code protected Boot Block OU0000 000 FFA code protected Step 19 Boot block write protection 000000 007FFF or 001FFh Boot block write protection Boot Block QO0U00 O0 F FF QOUFFF or O01 FFFh not write protected koa Boot Block 000000 O07FFF QO0FFF or O0TFFFh not write protected Boot Block 000000 007FFF OO0FFF or O0TFFFh write protected Enhanced devices have two memory spaces The program memory space and the data memory space The program memory space is 16 bits wide while the data memory space is 8 bits wide Table Reads and Table Writes have been provided to move data between these two memory spaces through an 8 bit register TABLAT The operations that allow the processor to move data between the data and program memory spaces are e Table Read TBLRD e Table Write TBLWT Table Read operations retrieve data from program memory and place it into the data memory space Step 20 Boot block table read protection 000000 007FFF or 001FFFh Boot block table read protection Boot Block QOU000 007FFF OO0FFF or O07 FFFR not protected from table reads executed in other blocks w Boot Block 000000 00FFFF 000FFF or D0TFFFA not protected from table reads executed in other blocks Boot
4. 3 23 Digital Input In computing input output or I O is the communication between an information processing system such as a MCP and the outside world possibly a human or another information processing system Inputs are the signals or data received by the system and outputs are the signals or data sent from it In Parsic 4 a function block contains digital input variables digital output variables and his properties 3 24 Digital output Read 3 23 Digital Input EE 3 25 EE Prom Lit With the EEProm Object it is possible to save the contents of variables in an internal or external EE Prom This happens at every positive edge at the input of the object After a reset the indicated variables are read in automatically At the selection all present variables are displayed in the left list All variables which you would like to save must be moved into the right list Note Pay attention that 16 Bit 24 Bit and 32 Bit variable consist of more then one byte Example You would like to save the counter reading of the 16 Bit forwards and backwards counter ZV1 Then the variables ZV1 and ZV1_1 are shown in the left list Both variables have to be marked and moved into the right list 38 Internal EE If you meet this selection the internal EE Prom is used Not all Microcontroller have an internal EE Prom External EE If you meet this selection the external EE Prom is used you need the Object 2C Base and select the Device 24CXX to make
5. Voltage level on MCLR must be lower than Vit to gusrentse eee MCLR Effects MCLR Effects When MCLR Reset occurs during sleep mode and a crystal oscillator mode is being used MCLR Level MCLR Level 15 When MCLR is brought low the device we be held in a reset state until MCLR is brought high During this time the oscillator will run and the I O pins will be held in the reset condition normally tri state If the device was reset from sleep and a crystal oscillator mode is used then the oscillator startup timer will keep the device in the reset condition to give the oscillator time to start up even if the MCLR signal is only held low for a short period When an RC oscillator is used the oscillator is running during reset but the output on the OSC2 pin will stopped In the following table there are some examples of the MCLR settings Master Clear Enable MCLA VPP RES pin function is MCLE a al a al a al al all a a 8 Step10 Calibration value MCLR MCLR normal reset input MICLR Input MCLR int tied to VDD The MCLR Pin is input e g GP3 MCLR is internally tied to Vcc MCLR MCLR pin enabled RG5 input pin disabled MICLR RGS input pin enabled MCLR disabled MICLR MCLR pin enabled RAS input disabled MCLR MCLR disabled RA5 input pin enabled MCLR RE3 MCLR pin is MCLR MCLR RE3 pin is digital input MCLR internally tied VDD MCLR MCLR VPP RE3
6. Win XP 32 64 bit Vista 32 64 bit Win 7 32 64 bit Win 8 64 bit 1 1 Visual Parsic V4 description Parsic V4 was developed with ease of use in mind which means that it does not require long manuals extended tutorials or deep knowledge to use Parsic V4 is a graphical programming tool for PICmicro devices It features an intuitive and clean interface and enables the user to quickly and easily design deploy and debug a program that gets transferred and executed by the PlCmicro device it boasts a rich set of features 1 O interfaces timers counters configurable clock algebra memory logic and non linear operations multiplexer and de multiplexer sleep function absolute value comparator LCD block display UART etc Parsic V4 also features an efficient debug that enables the user correction of errors in real time 1 2 Main features Simple and intuitive graphical user interface with integrated support Drag and Drop the function blocks from toolbar with mouse and connect them by clicking on the input output ports With just one click you can access the help function Combinational logic block AND NOT OR XOR EXOR Timing function and trigger clock generator counter 8bit counter up down 8 16bit signal level trigger pulse timer one shot mono flop PWM generator Schmitt trigger Memory S R FF limiter memory block EE Mathematical functions basic algebra functions for create simple conditional logics absolute value
7. Step 1 Settings menu Microcontroller Open the Settings menu and click Microcontroller Click it to expand panel containing MCU configuration option Its contents will be adjusted depending on the selected PICmicro From drop down list Microcontroller choose MCU you want to use You can select one MCU 8 bit family from a list of 74 PICmicro 10 12 16 18F series other MCU will be added in the next upgrade e Step 2 Oscillator configuration The oscillator configuration is set during programming The oscillator mode is selected by the device configuration bits Midrange PICmicro devices can have up to eight oscillator modes this allows a single device type the flexibility to fit applications with different oscillator requirements Each mode provides varying amounts of oscillator gain for various oscillator designs Listed here are the currently available oscillator configurations See your specific device datasheet for the ones that apply Select the oscillator is possible choose 5 diverse type oscillator e RC ext The clock frequency is determined by a RC combination e RC int Internal RC oscillator not available at all PICmicro is the internal 4MHz Resistor Capacitor clock e LP Low Power for quartzes or ceramic swinger of 20KHz to 200KHz and usually used with 32 768KHz e XT For quartzes or ceramic swinger of 200 KHz to 4 MHz 3MHz resonator e HS High speed for quartzes or ceramic swinger 4 20 MHz and resonator over 3MH
8. Visual Parsic V4 User manual Version 4 0 6 21 October 2013 10 10 File Edit Settings Tools Window Help x r D To g alanda Wange Enhanced Hecno Dogtkada 4 ran Z Our fl T pp siu fiif Ti I i1 ra FUL 8 RJ fi sh Jal lil i g T ai Eu E ji This tile i not complete iis anly for a how to stan PUT Er a IMIN AAM 37 256 AO 0 7936 Ehaci Visual Parsic V4 user manual Notes 1 License agreement Please read this software license agreement carefully before using the software By clicking on accept button opening the package downloading the product or using the equipment that contains this product you are consenting to be bound by this agreement If you do not agree to all of the terms of this agreement click the do not accept button and the installation process will not continue Return the product to the place of purchase for a full refund All information included in this document is current as of the date this document is issued Such information however is subject to change without any prior notice 2 Single user license grant Intellectual property rights limited warranty Parsic Italia snc grants to Customer Customer a nonexclusive and nontransferable license to use the Visual Parsic V4 software Software in object code form solely on a single central processing unit owned or leased by Customer or otherwise embedded in equipment provided by Parsic Italia snc Parsic Ita
9. Activate the Boot Manager Hint if the bootloader is freshly burned the PIC always starts in the bootloader mode until a valid program is received Boot Manager The boot manager establishes the connection between Parsic and the PIC to be programmed When you activate the boot manager the adjusted COM port default COM1 opens If the COM port doesn t exist or is already in use Parsic started 2 times a short error message will be displayed Rose To change the com port click the icon SaL and select a com port and the same Baudrate you also selected in the bootloader The parity must always be set to none Now the boot manager is ready Be sure that the PIC is in bootloader mode 34 COH When you click the icon the program will be compiled and when there are no errors it will be transmitted to the PIC If everything was successful the program starts If you inadvertently set the PIC into the bootloader mode click the icon The boot manager then sends an end of line to the PIC The PIC leaves the bootloader mode and starts over the existing program Possible errors lt time out gt The PIC is not in bootloader mode or the Baudrate isn t correct In any case the PIC doesn t answer lt checksum error gt The Baudrate is eventually too high 3 10 Call Table f The Call object 8 16 bit integer serves to invoke subroutines and tables Input 8 16 bit integer Output 8 16 bit integer Use table editor to set
10. e Number of used timers and Mono Flops The time is decided with help of the internal clock frequency This corresponds with a resolution of 1 microsecond 20 MHz gt 200 nanoseconds at a 4 MHz quartz Read more Only for schematic commenting no code created Comments 3 33 With the GND and Vcc object it is possible to put unused inputs to a defined level e g reset at a counter Conduction s which are connected at this object gets GND VCC 3 28 GND always low Vcc always high Labels are competent for the connection of the same signal names on different function plans Parsic provides a clear name It is possible for you to change this name With the right mouse button you reach the dialog for the settings You can choose there Label 1 whether the label is source or destination 2 assigning the source label to the destination label 3 33 3 change the name To restore the name allocated by Parsic simply enter P X Read more DS1631 Read Temperature Interface IB3 BUSADR 7 CLK LCD OUT LB4 VAL nm BCARKIRE cF PD LOGOms SERS DEC Label Example 26 Various Blocks Toolbar Icon Name Description With the Compare Object variables and constants can be compared with each other and in dependence of Bits they could be setted or deleted The upper A variable or constant is Compare always compared with the below B variable or constant and accordingly the output is setted to high or low Th
11. microcontroller has code protection limitations For example setting the code protection on a windowed device is a permanent change to that part UV erasing the device will not erase the code protection bits For this reason we do not recommend code protecting windowed devices FLASH microcontrollers however are different Setting the code protection on a FLASH device is not a permanent change but disabling the code protection will require a bulk erase Visual Parsic V4 program only Flash PICmicro Step 14 Code Protected EEData code protection EEData write protection Activated the controller area cannot be read or write after programming Step 15 Write Protection Write protection OFF all program memory may be written to by EECON control Write protection ON program memory protected in the selectable memory area PiCmicro 0000h to OOFFh eee Q 0000h to 07FFh Evite Bere off all program memory may be us to by EECON control Wre protection off all program memon may be written to by EECON control 0000h to Offfh O000h to OOFFh write protected OO00h to OF FFA write protected QO00h to OFFFR write protected Step16 Stack reset overflow underflow The key thing to understand about the 8 bit PIC architecture is that the stack size is fixed It varies from a depth of 2 for the really low end devices to 31 for the high end 8 bit devices The resets mechanism in Parsic V4 for stack register is available on Microc
12. 000 Ss Blink Duration Toggle LEDs 200ms ee a Connection Status Connected Now your installation is complete Double click on icon Parsic 4 for start the program iiiiiiiid Arethusa Modules FOR FIC MICRO Arethusa V21 and V22RL card BB 7y22A YSNHLIAY W allows you to 1 5 Parsic 4 user interface map Description Parsic V4 user interface is displayed below The upper area contains the menu bar File Edit Setting Tools Windows Help In the lower left area there are Icons for quick access to the most frequently used functions New file Open project folder Save Load Macro file Save Macro Build Hex File Print Simulation function Zoom and Grid In the right user interface are displayed the Functions Blocks of Parsic 4 This blocks are divided in four categories Standard Various Enhanced Macro Boot loader is the serial programmer File Edit Settings Tools Window Help tu cae A Ei E A Standard Various Enhanced Macro Bootloader su 2 z i Z l HR EER anna Tie B f a SS es i a PIC16F886 RAM 4 368 ROM 0 8192 Check s Processor Settings Panel In the Application Bar there is the icon for direct access to Processor Settings Panel the counter of the occupied area RAM and ROM and the push button for Updating the ROM Status The following figures shows the complete menu of Parsic V4 Edit Settings Tools 4
13. a multiplexer or mux is a device that selects one of several analog or digital input signals and forwards the selected input into a single line A multiplexer of n input has a Multiplexer selection line binary select which is used to select which input line to send to the output The multiplexers are mainly used to increase the amount of data to process saving 3 43 resources within the PIC A multiplexer is also called a data selector Sets the range for in and outputs 8 16 24 32 bit 27 Dispatcher Encoder Decoder 3 26 Main INCLUDE INC DATA source 3 20 An encoder is a circuit or algorithm that compresses multiple binary inputs into a smaller number of outputs The output of a encoder is the binary representation of the original number starting from zero of the most significant input bit A decoder is a device which does the reverse operation of an encoder undoing the encoding so that the original information can be retrieved The same method used to encode is usually just reversed in order to decode With this object it is possible to move the microcontroller into the sleep mode If the IN Input has high level then the sleep mode is activated the program is stopped and the oscillator is switched off INCLUDE files are to embed subroutines and assembler source into Parsic With the right mouse button you can chose on which place in the created source text the INCLUDE file will be embedded The data source
14. it can count from 0 255 or 0 65535 The outputs max 16 can be distributed on various bits The QS Output is the collecting output and can get connected directly with another object with 8 or 16 bit input The R V input determine the counter advance sense e on low level the counter counts upwards e on high level the counter counts downwards Every shift register is a 1 bytes large variable At every positive impulse at the CLK input the data starting at Bit O are taken over into the shift register The output max 8 can be distributed to various bits 25 Toolbar Icon Name Description Depending on input allocation the Mono Flop get triggered by a positive or negative edge After a click with the right mouse button a dialog for entering appears 1 Pulse duration in milliseconds or by detail of a variable Retriggerable or not The name Mono Flop or Delay Inverted in or outputs turn over the function Mono Flop On delay Off delay Read more This object generates an impulse for one program pass At every positive edge at the input the output is setted Independently of the status of the Input the output is reseted at the next pass The input and output also can get inverted With the impulse input the length of an external impulse is determined with a resolution of 16 bits For that Parsic uses PORTB change interrupt RB4 7 The precision depends on several factors e The clock frequency
15. name of the Schmitt Trigger must be clear max 30 characters and Parsic is allocating automatically 52 sh 3 46 Shift register SR Every shift register is a 1 bytes large variable At every positive impulse at the CLK input the data starting at Bit O are taken over into the shift register The output max 8 can be distributed to various bits Source text is only created for outputs which have a signal name Notes Allin or outputs can get inverted Priority has the Reset Input Name The name of the shift register must be unique max 30 chars and is assigned automatically by Parsic a Ed A 3 47 Sleep With this object it is possible to move the microcontroller into the sleep mode If the IN Input lies on high level then the sleep mode is activated the program is stopped and the oscillator is switched off To restore the normal function 2 possibilities are available 1 a positive edge at the RBO Input 2 anamendment of level at RB4 RB5 RB6 RBZ If the IN Input remains on high level the program is passed through one time and the sleep mode is active again Note To be able to use this function the Watch Dog Timer may not be activated It would trigger a reset after a particular time Sa Gore electra applications requae bys power ar ballery power enecep conteavaien becomes paremcarl Pe erable applietiosas big ihete PICT meprocectrallors with neanohatt ALP Lechnstog giar the aduis i hiert nanta fer Sleep wh
16. pin function is digital input only MCLR MCLR VPP RE3 pin function is MCLR This entry is important for PIC s with internal RC oscillator and deleting window JW types This value which has to be entered is investigated by Microchip during the production of the PIC After a reset this value is written into the OSCCAL register and takes care that the internal oscillator runs if possible with 4 MHz Higher values produce a higher clock frequency Note Before first programming this value has to be selected from the PIC This value is always at the end of the ROM in form of a command Otherwise this value is lost irrevocably after erasing of the PIC s Example PIC12CE519 The command MOVLW H 84 is at the address 3FF You must write down 84 and type in at Calibration value Step11 User RAM Who wants to include assembler over the INCLUDE object at this point it is possible to close an area within the PICs for Parsic The start and end address must within one RAM bank Information about the memory areas of the chosen PIC can you see clicking on PIC Info looking for gt Free RAM Main INCLUDE INC 16 Step12 Low Voltage Programming The PiCmicro are programmed using a serial method The Serial mode will allow the PICmicro to be programmed while in the user s system The programming algorithm used depends on the operating voltage VDD of the PiCmicro device There are two methods for programming PiCmicro The first i
17. selected object and drag the object in a new area release mouse button 21 Connecting terminal Blocks The port of one block can be connected to the port of another block or to an existing connection For connect two terminal of different block move the mouse cursor above a terminal of the first Block push left mouse button and drag the connection to another port release the mouse button when you are above the terminal The connection is valid only when Parsic allocate equal progressive number name to the terminals When you move the cursor use the shift key to change the direction of the cursor In the following figure below a complete schematic Filter for a rotary encoder A Clock Direction Schematic example In the datasheets of Microchip the connection pin s are marked by RAO RA1 RA3 RB7 RC6 etc You will find a little further also the description PORTA PORTB etc in principle Parsic uses the description RX X or GP X To connect the Pin RB3 with the output of an AND Gate you have to click with the right mouse button at the output of the AND Gate In the following dialog enter the name RB 3 Like also at the signals you can turn over the function of the output or input with a click on the Invert Button As you have placed RB3 on an output of an object now Parsic will program the PIC RB3 during initialization as an output also Notes Once output always output Unused Pins are initialized as inpu
18. variable or constant value B 8 32 bit integer second variable or constant value A B operation result Possible occurring overflows are ignored 3 5 Arithmetic divide 3 6 Arithmetic multiply The Multiply A x B function block multiplies two inputs values and generates an output value A 8 32 bit integer first variable or constant value B 8 32 bit integer second variable or constant value A x B operation result Possible occurring overflows are ignored 33 3 7 Arithmetic subtract The subtract A B function block subtracts one input variable from another input value and generates an output value A 8 32 bit integer first variable or constant value B 8 32 bit integer second variable or constant value A B operation result Possible occurring overflows are ignored 3 8 Arithmetic sum The Add function block A B sums the values of two to inputs and generates an output value A 8 32 bit integer first variable or constant value B 8 32 bit integer second variable or constant value A B operation result Possible occurring overflows are ignored OH 3 9 Bootloader k The bootloader is a small program that receives data via the serial interface and stores them in the program memory or EEPROM of the PIC It is so designed that it never overwrites itself Activation bootloader only Power On This port is polled when switching on the PICs When active the program branches i
19. 3 Comparator z 3 18 Counter Up Down 8 16 bit In digital logic and computing a counter is a device which stores and sometimes displays the number of times a particular event or process has occurred often in relationship to a clock signal The counter is a 1 byte or 2 byte variable 8 16 bit integer and therefore it can count from 0 255 or 0 65535 The outputs max 16 can be distributed on various bits The QS Output is the collecting output and can get connected directly with another object with 8 or 16 bit input The R V input determine the counter advance sense On low level the counter counts upwards On high level the counter counts downwards Notes 8 Source text is created only for outputs which have a signal name Allin and outputs apart from QS can get inverted 8 Priority has the Reset Input Name The name of the counter must be unique max 30 chars and is assigned automatically by Parsic a 3 19 Counter 8 bit The counter is a 1 byte variable 8 bit integer and therefore it can count from O up to 255 The outputs max 8 can be distributed on various bits Source text is created only for the outputs which have a signal name Allin and outputs can be inverted Priority has the Reset Input Name The name of the counter must be unique max 30 chars and is assigned automatically by Parsic 3 20 DAT Read 3 4 Analog input 36 3 21 Dispatcher or Encoder Decoder A
20. AZ ANE Z RAS ANS WREF RAd TECKI Ti Ras ANd SS Keramikschwinger Connection diagram RS485 PIC16C73B MAX485 Ici PIC16C73B OSC1 CLKIN OSC2 CLKOUT 4 MHz Cc ui Ji Jumper s RAGANG T1OSO TICKIVRCG 3 RAL ANI T1OSI CCP2 RC1 H Raz ANE RA3 AN3 VREF 5 RA4 T CKI RAS AN4 5S Keramikschwinger Bibliography Arethusa Parsic Card Series Hitachi HD44780 LCD Controller Microchip Technology s Academic Program Microchip Technical Training amp Education Microchip MPLAB PICkit2 PICkit3 Microchip MPLAB X Integrated Development Environment IDE Microchip MCP2200 Microchip PlCDevice Configuration Microchip SPI Overview and Use Philips IC Protocol Wikipedia free encyclopedia Copyright This user manual is a copyright Swen Gosch and Parsic Italia Microchip Windows PICkit2 PICkit3 MPLAB MCP2200 Windows Visual Parsic V4 Parsic 4 and others are internationally registered Trademarks 62
21. Block UOUOOU OO7FFF QUOFFF or OUTFFFh protected from table reads executed in other blocks Step 21 Block 0 code protection 000800 0010000 or 0020000 003FFFh Block T code protection Block 0 000800 001000 or O02000 003F FFA not code protected ka Block 0 000800 001000 or OO2000 003F FFA not code protected Block 0 O0U800 001000 or O02Z000 003F FFA code protected Step 22 Block 0 write protection 000800 001000 or 002000 003FFFh Block 0 write protection ae ee Block 0 O00800 001000 or UOZ000 O0SF FF not write protected M Block 0 000800 001000 or 002000 003FFFh not write protected Block O O00800 001000 or 002000 003FFFh write protected 19 Step 23 Block 0 table read protection 000800 001000 or 002000 003FFFh Block 0 table read protection Block 0 O00800 O01 O00 or O02000 003F FF h not protected from table reads executed in other blocks iv Block 0 000800 001000 or O02000 003F FFA not protected from table reads executed in other blocks Block O DOUS00 007 000 or OU2000 003F FFA protected from table reads executed in other blocks Repeat steps 21 22 23 up to block table 7 Step 24 Configuration Register The Device Configuration registers allow each user to customize certain aspects of the device to fit the needs of the application Device Configuration registers are nonvolatile locations in the program memory that hold settings for the PIC18 device during power down Th
22. C12 PIC16 PIC18 series Small Assembler implementation Source level debugging within MPLAB PICKit Development Programmer Debugger The most popular PIC programmer made by Microchip is PICkit 2 It is a low cost development tool with an easy to use interface for programming and debugging Microchip s Flash families of microcontrollers You can also use it as a stand alone instrument for programming The advanced programmer PICkit3 In Circuit Debugger Programmer as the PICkit2 uses in circuit debugging logic incorporated into each chip with Flash memory to provide a low cost hardware debugger and programmer The PICkit2 and the PICkit3 share many common features however PICkit3 has some additional features For comparison chart read the document from Microchip Debugging and Emulation Product Line PICkit2 and PICkit3 program are inside MPLAB IDE If you use another model programmer do not use this software W rmeci Pegoe fork Pes ha File DeviceFamily Programmer Took View Help PIC IGF Configurator PIC 18F 453 FF FF FF FF FF FF FF FF Myry esai ri panen o i ee Prd oa Device u ar ET e ir Leer Os Tei P atk Scented Ra SS MicrocHr Creckaun 4207 PiCiot 2 found and connected PIC Device Found i Fi f FEEEEEE FY FY FY FP FY FF FF sr OS ry ry rr rr rr rr rr rr i Export Hes Re 20 FY FY ry rr ry rr rr rr MC
23. P2200 interface optional installer The MCP2200 is a USB to UART serial converter which enables USB connectivity to applications that have an UART interface It is used in the Arethusa prototyping platform Arethusa is a single board microcontroller ideal for building easy electronic projects suitable for learning Parsic V4 The hardware consists of a board designed around a PIC16F886 8 bit microcontroller The MCP2200 converter connect thr Arethusa board to a PC by using USB It is allowing you to configure and programming the PlCmicro by the Bootloader of Parsic V4 Install the MCP200 driver if it is necessary On your PC go to C Program Parsic4 Microchip and locate the folder which contains the executable MCP2200 Windows Driver amp Installer gt MCP2200 Configuration Utility File Help Output Writing Product String Descriptor Writing Configurations Device Configured Writing VID PID Verifying Descriptor block Verifying Descriptor block Verifying Default Settings block Device Verified Writing Manufacturer String Descriptor Verifying Manufacturer Descriptor block String Descriptors Manufacturer Microchip Technology Inc Product MCP2200 USB Serial Port Emulator New Using xooDF axd0DF MD PID 57600 X lO Config 00111111 LED Function Blink LEDs 100ms Output Default 11111111 Enable Tx Rx LEDs Enable CTS RTS Pins Enable USBCFG Pin Enable Suspend Pin Invert UART Polarity UPOL
24. SPl data object data will be read or written from a device Depending on the used device and the selected function the ADR connectors DIN and DOUT are displayed or hidden Name The name of the object must be clear max 30 characters and is assigned automatically by Parsic Interface Here you choose the SPI Base object over which the communication runs Device Here you select the device which you want to use An non existing device can also be created by yourself Bus address This is the address at which the device responds Allowed are values between 0 7 This address must match the hardware address A0 A2 Function Here you can choose the function that shall be executed At every positive edge at the CLK input the function will be executed Depending on the function corresponding inputs and outputs are displayed in the SPI Data object Chip Select This is the Chip Select output It can connected to any pin of the PIC 54 SPI MODES SPI Modes f i l i l CPHA 0 nis oS oe ee ie ee a oe SDVSDO on TA Pees Be Rae TI CPHA 1 For more technical information on SPI Interface please read PDF Microchip document MICROCHIP Overview and Use of the PiCmicro Serial Peripheral Interface http ww1 microchip com downloads en devicedoc spi pdf oF Serials Lees ad IR A 1 SPI Real IA CEERA With Digital Trimming amp User Memory
25. accomplishes several tasks Supply variables for own program parts which are embedded with the Include object Allocation of the A D converter at PIC s with A D Read more 28 Enhanced Blocks Macro Toolbar Icon LCD Display PORT RB E RB5 RS RB4 LCD OUT 777 LCD Display CF NO DEVICE NO FUNCTION Interface NOT CONNECTED BUSADR 0 CLK SPI Base MODE 0 z E K RE 1 SOL ior SDC Ei RE te NO DEVICE NO FUNCTION Interface NOT CONNECTED BUSADR 0 CLK Name LCD Modul Info 3 34 LCD Module display text or variable 3 35 UART Base 3 54 UART Data 3 55 12C Base 3 29 12C Data 3 20 SPI Base 3 48 SPI Data 3 49 Description All LCD modules based on the Hitachi HD44780 or KS0073 are supported To have enough in and outputs at small PIC s Parsic use only 6 of 11 control lines Read more With this object texts or variable can be distributed on a LCD module At every edge at the CF Input the text or the variable is shown on the predefined position Read more Universal Asynchronous Receiver Transmitter With this object you define the settings of the serial interface Not all microcontrollers have a built in UART If you use a PIC without hardware UART an error message is created With this object data are sent or received about the serial interface Active Output ACT For both function applies Transferring The ACT Output remains on high level unti
26. acter on incorrect positions are issued In a low extent you can determine how long the microcontroller shall wait for the transfer of the next character x1 approx 50 uSec delay x2 approx 100 uSec delay x3 approx 150 Sec delay Connection assignment IT FA SeS n 3 ICL 4 JMCLR Loboasca CLKIN INT REOE L3 OECarCLKOUT o lL 1 17 E ee i PICL6CS4 45 Leo 3 35 LCD Text ext With this object texts or variable can be distributed on a LCD module At every edge at the CF Input the text or the variable is shown on the predefined position Position Type in the position on which the distributed data shall appear The left upper corner has the position O X and Y 0 The typed in values are allowed to be constant or variable 8 Bit Output to Select a LCD module out of this list on which the text or the variable shall be displayed The list is empty if ano LCD Module available Multi Text This attitude makes possible to show more than one text line on the LCD Module The position is ignored Display text Enter the text which shall be displayed in the lower editing field If you leave the editing field empty a command to delete the display will be created Special sign and vowel mutations must be entered directly as character code At the simulation a is shown instead of a character code However it is possible to indicate a sign which is shown at the simulation For the production of source text
27. afe register It monitors the external primary oscillator and will automatically switch over to the internal secondary oscillator if the primary oscillator fails Step 4 Internal External switchover IESO Two speed startup is a useful feature on some nanoWatt and all nanoWatt XLP devices which helps reduce power consumption by allowing the device to wake up and return to sleep faster Using the internal oscillator the user can execute code while waiting for the Oscillator Start up OST timer to expire LP XT or HS modes This feature called Two Speed Startup is enabled using the IESO configuration bit A Two Speed Start up will clock the device from an internal RC oscillator until the OST has expired Switching to a faster internal oscillator frequency during start up is also possible using the OSCCON register Step5 Watch dog timer Watch dog prescaler Activate Parsic automatically insert commands which reset the WDT regularly If the program gets stuck a reset occurred after approx 18ms The Watchdog Timer WDT is a free running on chip RC oscillator which does not require any external components This RC oscillator is separate from the device RC oscillator of the OSC1 CLKIN pin This means that the WDT will run even if the clock on the OSC1 and OSC2 pins has been stopped for example by execution of a SLEEP instruction The Watchdog Timer WDT is enabled disabled by a device configuration bit If the WDT is enabled softwa
28. anged also the destination labels If a destination label is renamed nothing happens If you change the name of the signals e g SO 7 gt M2 3 which are connected by source and destination label then all signals of this string are renamed Important Be careful that the source label will have different name At present Parsic will not check whether a name already exists Len 3 34 LCD Base 2826 All LCD modules based on the Hitachi HD44780 are supported To have enough in and outputs at small PIC s Parsic use only 6 of 11 control lines Connected to port Rx Type in at which output port the LCD module is connected Several LCD modules can be connected parallel Type in the same port e g RB Only the bits Rx 0 Rx 4 are used The bits Rx 5 Rx 7 can furthermore be used as normal in or outputs Connection diagram with 2 LCD modules Enable output E This connection will activate the display if characters are transferred Each LDC module needs an own release output e g RB 5 Lines Put in how many lines the LCD module got Typical values are 1 4 Characters per line Indicate how many characters fit in to a line Typical values are 8 40 44 Process delay Parsic is waiting app 50 u sec after every character till the next character is distributed It can be possible that some LCD modules are timed fundamentally slower than mentioned in the datasheets type 270 kHz If this applies not readable characters or char
29. arsic is allocating automatically 3 43 Multiplexer Read 3 22 De multiplexer 3 44 PWM output Impulse Output Impulse Output With the impulse output impulses can be created with a precision of 16 Bit To reach the precision the remaining program is stopped during the issue Only one impulse is created if the EN Input is high not inverted The time is decided with assistance of the internal clock frequency This corresponds to a resolution of 1 microseconds 20 MHz 200 nanoseconds at a 4 MHz The length of the impulse must between 50 and 65500 times PWM Pulse width modulation PWM or pulse duration modulation PDM is a modulation technique that conforms the width of the pulse formally the pulse duration based on modulator signal information Although this modulation technique can be used to encode information for transmission its main use is to allow the control of the power supplied to electrical devices especially to inertial loads such as motors In addition PWM is one of the two principal algorithms used in photovoltaic solar battery chargers the other being MPPT Maximum power point tracking This object uses the hardware PWM and therefore it is not available at all PIC s You can use this module to create analogue outputs The output creates a constant output frequency approx 4 KHz at 4 MHz clock frequency The pulse break relationship can be changed At each positive edge at the CF Input the value at the upper in
30. ation whether any object just shall receive data With help of the active outputs UART Data Objects you can influence this process With checksum Activated a 1 byte checksum is always appended at the end of the transmitted data Reception only The received checksum is compared with the checksum internally calculated Only at agreement the data of the input buffer are transferred into the variables which you indicated in the right list The checksum is calculated as follows CS checksum 1 CS 170 HEX SAA 2 CS CS 1st byte 3 CS CS 2nd byte 4 etc Example The 16 Bit counter presently got the value 1000 Then in the right list stands ZV5 contains at present a 232 S E8 low byte ZV5_HI contains at present a 3 high byte 3 x 256 232 1000 CS 170 232 3 405 cut off to the lower 8 Bit 149 The following byte sequence will be transferred lt 232 gt lt 3 gt lt 149 gt WI FI MRF series MCP2200 USB to UART serial converter Commercial product RS232 serial TTL to Ethernet converter TCP IP module 60 UAT LAL 3 54 UART Data AL With this object data are sent or received about the serial interface Active Output ACT For both function applies Transferring The ACT Output remains on high level until the data is transferred Receiving The ACT Output remains on high level until the data are correctly received or an error is occurred Notes With assistance of this
31. ce In the PARSIC4 PICmicro that have extension ICD can used by ICD debugger Development Tools Overview In Circuit Debugger ICD Se In Circuit Debugger ICD In Circuit Debugger disabled ABE and AB are general purpose 70 pins In Circuit Debugger enabled RBE and RE are dedicated to the debu er 17 Code protection Different levels of code protection Code Protection is a user selectable feature that provides additional protection for your code and prevents program and data EEPROM from being read out You ll notice that there may be several bits labeled CPx in the configuration word They must all be programmed in order for full protection When the device is programmed a verify should be performed before the code protection bits are set Since code protection prevents reading out the data it is best to verify the part before setting the code protection bits Each microcontroller device has different levels of code protection Some devices allow the entire part to be code protected others only allow partial protection For example the PIC16F87X family devices will allow 4 different ranges of program memory to be code protected They are 0100h to 1FFFh 1000h to 1FFFh 0000h to 1FFFh PIC18Fxx family devices will allow up to7 different ranges of program memory to be code protect Therefore it is best to refer to your device datasheet for code protection ranges that affect you It is important to note that each type of
32. comparators Special functions conversion tables digital limiters multiplexer de multiplexer sleep dat include macro bootloader Communication UART I2C SPI LCD Editor 12C SPI object order Automatic functions assembler real time debugging process control and simulation automatic download in to device File Edit Settings Tools Window Help oe Fw z amp Standard Yarious Enhanced Macro Bootloader aa zy OUT II Sat su E G z 11 Z amp at Rs EE sa Barr T LB Standard Various Enhanced Macro Bootloader TERA p INC oer lt T E Standard Various Enhanced Macro Bootloader te few ART UART PC IC SPI SPI EE Base Text Base pata Base pata Base DATA int Standard Various Enhanced Macro Bootloader hlacro Standard Various Enhanced Macra Bootloader i ry CoH F ba Boot Msnager B m y EERE EEE 1 3 Installation Visual Parsic V4 setup executable is located on Visual Parsic V4 CD When you insert CD in your PC please launch setup Parsic 4 Setup is preparing the InstallShield r Wizard which will quide you through the rest of the setup process Please wait Step 1 Start installation Welcome Welcome to the Parsic 4 Setup program This program will install Parsic 4 on your computer lt is strongly recommended that you exit all Windows programs before running this Setup program Click Cancel to quit Setup an
33. d then close any programs you have running Click Next to continue with the Setup program WARNING This program is protected by copyright law and international treaties Unauthorized reproduction or distribution of this program or any portion of it may result in severe civil and criminal penalties and will be prosecuted to the maximum extent possible under law lt Back Cancel Welcome screen Click Next button to proceed Step 2 Licence Agreement Software License Agreement Please read the following License Agreement Press the PAGE DOWN key to see the rest of the agreement SOFTWARE LICENSE AGREEMENT Visual Parsic V4 PLEASE READ THIS SOFTWARE LICENSE AGREEMENT CAREFULLY BEFORE DOWNLOADING OR USING THE SOFTWARE BY CLICKING ON THE ACCEPT BUTTON OPENING THE PACKAGE DOWNLOADING THE PRODUCT OR USING THE EQUIPMENT THAT CONTAINS THIS PRODUCT YOU ARE CONSENTING TO BE BOUND BY THIS AGREEMENT IF YOU DO NOT AGREE TO ALL OF THE TERMS OF THIS AGREEMENT CLICK THE DO NOT ACCEPT BUTTON AND THE INSTALLATION PROCESS WILL NOT CONTINUE RETURN THE PRODUCT TO THE PLACE OF PURCHASE FOR A FULL REFUND OR DO NOT DOWNLOAD THE PRODUCT Single User License Grant Parsic Italia sne Visual Parsic 4 and its suppliers grant to Customer Customer a nonexclusive and nontransferable license to use the Visual Do you accept all the terms of the preceding License Agreement If you choose No Setup will close To insta
34. e Configuration registers hold global set up information for the device such as the oscillator source Watchdog Timer WDT mode code protection settings and others The Device Configuration registers are mapped in program memory locations starting at address 300000 to 300FFh and are accessible during normal device operation This region is also referred to as configuration space The Configuration bits can be programmed read as 0 or left unprogrammed read as 1 to select various device configurations cl ARIE E o Configuration registers 300000 3000F Fh not write protected w Configuration registers A00000 3000F Fh not write protected Configuration registers S00000 3000F FA write Additional Notes All notes in this text are only for the PIC18F family Code Protection Bits CP x If only the CP x bits are enabled you cannot read or write block x with an external Programmer PICkit 2 3 or equal BUT when there is code inside the PIC that can transfer program memory from each block x over the serial interface to outside THIS WILL WORK Write Protection Bits WRT x If only the WRT x bits are enabled you cannot change the code inside block x using an external Programmer or self writing BUT you can read Block x External Block Table Read Bits EBTR x For example only EBTR 3 and EBTR 4 are enabled and all other EBTR x bits are disabled 1 Code inside block 4 has full access
35. e output can also be inverted 3 17 In the Info dialog right mouse button you can adjust how to compare All arithmetical functions work without omens The first operand always stands above The following possibilities are available for the selection addition subtraction x multiplication division Further you got the possibility to select whether the evaluation shall be carried out with a resolution of 8 or 16 Bit Note Possible occurring overflows are ignored Example A 16x16 multiplication results usually 256 At a resolution of 8 Bit the result is cutted to 8 Bit The result is 0 With a division by O the result is set to 255 8 bit or 65535 16 bit The limiter checks the contents of the input variables with the upper and lower limit If the input gt upper limit then output upper limit ae If the input lt lower limit then output lower limit Limiter 3 36 Otherwise output input The inputs work with 8 bit up to 32 bit resolution For SP and HY input applies The values may be constant or variable Schmitt Trigger The IN input must be variable cae It is possible to invert the function of the output Read more The table stores data inside the ROM The access on the table always takes place over the CALL Object Tables always created as a subroutine inside the ROM The Call object serves to invoke subroutines and tables TAB Call Read more 3 50 In electronics
36. e value Comparator The Absolute Value function block provides the absolute value of an integer input value Possible combinations gt lt gt lt lt gt Inputs selectable 8 32 bit integer A 8 32 bit integer input variable or constant value B 8 32 bit integer input variable or constant value A B digital output value gt greater gt greater or equal equal lt less or equal lt less lt gt different DAT 3 4 Analog input Analog input 8 32 bit integer is used to read one analog input value by DAT Functional Block The data source accomplishes several tasks Supply variables for own program parts which are embedded with the Include object Allocation of the A D converter at PIC s with A D With a click with the right mouse button you can enter an arbitrary value or name Resolution Range Name s of the variable example 8 Bit 0 255 DAT 16 Bit 0 65535 DAT DAT_1 24 Bit 0 16777215 DAT DAT_1 DAT_2 32 Bit 0 4294967295 DAT DAT_1 DAT_2 DAT_3 The analog inputs are distinguished by the following names ADCO ADC1 ADC2 ADC15 Notes 8 itis not allowed to start a signal name with S Wires which connected at the data source always assigned the value which given the data source as signal name r The Divide A B function block divides one input value by another input value and generates an output value A 8 32 bit integer first
37. ed It is required if several identical devices are driven at one bus The bus address is led out by many devices in hardware RD and WR These two constants decide whether the next command is a read or write command Summary ADR1 ADR2 DIN1 DIN16 DOUT1 16 ERR These constants are place holders for the connections of the SPI Data object The assignment is following ADR1 Is the least significant byte from the connection ADR of the object SPI Data 56 ADR2 Is the most significant byte from the connection ADR of the object SPI Data DIN1 DIN16 This is are placeholders for the inputs of the I2C data object They can only used with the WRITE command DOUT1 DOUT16 This is are placeholders for the outputs of the I2C data object They can only used with the READNAK and READACK command ERR Internal it is only a label to which is jump if the command WRITE isn t confirmed by an lt ACK gt Notes The constants ADR1 DINx and DOUTx decide whether the corresponding connections are inserted into the SPI Data object or not Using the constants ADR2 the corresponding connection changes to 16 Bit otherwise 8 Bit SPI Overview MICROCHIP atid n J SDI Example of SPI Mode 1 1 Note that the data only changes on the falling edge of SCK and is only read on the rising edge of SCK Crystal amp Caps 32 768 a Clock Boot E 1 Hz to 32 kHz lt p lt i 2 eet a Ta bi 3 50 Table Edit
38. eed 0 Custos Youma choor hee opion you ward to rritak Reconianded fot advanced ueis C PogannA Panic 4 iine u _ Start Copying Files Click finish button to close Setup After installation process shortcut will appear on your desktop Double click for start Parsic 4 1 4 Instruments programming MPLAB IDE V8 For correct use Parsic 4 need MPLAB IDE V8 On your PC please go to C Program Parsic 4 Microchip and locate the folder contain setup executable MPLAB Click on Setup and install MPLAB on your PC The MPLAB Integrated Development Environment IDE is a free integrated toolset for the development of embedded applications employing Microchip s PIC microcontrollers MPLAB IDE also serves as a single unified graphical user interface for additional Microchip and third party software and hardware development tools Development Tools Overview MPLAB IDE R IV AY i n a a amp amp ai L integrated Development E nvironment IDE Emulators Third Party Languages Simulators Debuggers Programmers Tools MPASM MPSIM MPLAB ICE PICSTART Compilers Assembler Simulator in Circuit E t Plus Programmers Emulators ICE 2000 Development ng mall MPLINK ice aca si Dev Boards pect nker Training Tools MPLAB ICD PRO MATE Il Progductior i ify l Qui Programmer sit Dobuggi r C Compilers MPLAB C17 MPLAB C18 Development Tools Overview Third Party Compilers Supports PIC10 PI
39. encoder is a circuit or algorithm that compresses multiple binary inputs into a smaller number of outputs The output of a encoder is the binary representation of the original number starting from zero of the most significant input bit A decoder is a device which does the reverse operation of an encoder undoing the encoding so that the original information can be retrieved The same method used to encode is usually just reversed in order to decode Encoder 8 16 bit integer read binary input value Decoder 8 16 bit integer read byte input value Function bit gt byte Specifically definite bits will be transferred to the output variable Hold for this Output Bit O INO Output Bit 1 IN1 Output Bit 2 IN2 Output Bit 15 IN15 Notes If the number of inputs is gt 8 then the variable at the output is a 16 bit variable The inputs don t have to be filled throughout For inputs which are not occupied no source text is created Function byte gt bit Definite Bits of the input variable could be transferred specifically to single Bits of the outputs Hold for this OUTO input Bit 0 OUT1 input Bit 1 o OUT15 input Bit 15 Notes If the number of the output is gt 8 then the variable at the input is a 16 bit variable The outputs don t have to be filled throughout For outputs which are not occupied no source text is created ae 3 22 De Multiplexer An electronic multiplexer can be considered as a multiple inpu
40. eration XNOR operation Name The name of the gate must be clear max 30 characters and Parsic is allocating automatically Input 1 Input 2 AND Gate OR Gate Ex Or Gate 0 0 0 0 0 0 1 0 1 1 1 0 0 1 1 1 1 1 1 0 49 3 41 Macro In a macro multiple objects can be combined into one object Saved macros can be added to the function plan with File gt Load macro If you click with the right mouse button on a macro a function plan will be opened with the title Macro It behaves like a normal function plan In addition the Toolbar gt Macro will show two more objects These objects are needed to add inputs and outputs to the macro Each macro can be added a maximum of 16 inputs and 16 outputs As long as a macro is opened it can be saved by choosing File gt Save macro for other projects Notes Inside a macro labels not allowed Macros can t be nested macro inside a macro 8 Do not use fixed names for objects and signals inside a macro There are problems if this macro is added more than once in a project The macro input is the interface between the function plan and the objects within a macro Clicking with the right mouse button on the macro input opens the connection info dialog Here you can change the type the description and name Macro Input Type The type of the macro input must match the type of the object input to which it is connected inside the macro The following types are available Bi
41. ere priro bw r pomer applications apond HIS JFR of Beals bere Danette of nioc Mait ALP Pechoctagp lodud rop ccrnste conn lo DF nh i ICARDI HIP Domaci pty deen te AF nk Wabcheed timar dorm bo p9 nk and kasimo clock calpedsa dawn bo FOD nA 53 SPI 3 48 SPl Base 22E Also see SPI Data The SPI Base object is the base for accessing the SPl bus It provides subroutines for accessing the SPlI bus The SPI Data object accesses the selected device over SPI Base object Name The name of the object must be clear max 30 characters and is assigned automatically by Parsic SPI Mode Also see SPIl Modes The mode defines how the data will be transmitted The following applies to the CPOL For CPOL 0 than the idle state of the clock pin is low For CPOL 1 than the idle state of the clock pin is high The following applies to the CPHA For CPHA 0 the data will be sampled at the first clock edge For CPHA 1 the data will be sampled at the second clock edge If CPHA O The slave and master puts the first data on the bus when chip select will be activated If CPHA 1 The slave and master puts the first data on the bus after the first clock edge SDO This is the data output It can connected to any pin of the PIC SDI This is the data input It can connected to any pin of the PIC SCK This is the clock output It can also connected to any pin of the PIC 3 49 SPI Data Also see 3 27 Edit Device Over the
42. f analogue values 58 3 51 Timing Falling edge One Shot This object generates an impulse for one program pass Function At every positive edge at the input the output is setted Independently of the status of the Input the output is reseted at the next pass The input and output also can get inverted 3 52 Timing Pulse timer Mono Flop On Delay Off Delay Depending on input allocation the Mono Flop get triggered by a positive or negative edge After a click with the right mouse button a dialog for entering appears 1 Pulse duration in milliseconds or by detail of a variable 2 Retriggerable or not 3 The name 4 Mono Flop or Delay 5 Inverted in or outputs turn over the function On Delay In that moment where the input is going high the predefined time starts to run After process of the time the output is getting high If the input gets low before process of the time the time will be reseted Off Delay In the moment where the input sets high the output sets high also If the input goes low the predefined time starts to run After process of the time the output is getting low If the input gets on High before process of time the time is reseted Name The name of the Mono Flop must be clear max 30 characters and Parsic is allocating automatically Note If you indicate a 8 bit variable for the pulse duration then the pulse duration is calculated as follows value of the variables 0 255 x 250 program tra
43. f the connection In the following dialog you enter a signal name which doesn t start with an S Examples for bit oriented connections gt 0 3 for byte and word oriented connections gt S7 Cancellation of fixed signal names for bit oriented connections gt enter a dot for the signal name gt lt for byte and word oriented connections gt delete the signal name 39 3 28 Ground amp Vcc a With the GND and Vcc object it is possible to put unused inputs to a defined level e g reset at a counter Conduction s which are connected at this object gets GND always low VCC always high I c 3 29 12C Base Base I C Base Also see 2C Data Interaction between I2C Base and 2C Data 2C stands for Inter Integrated Circuit Communications 12C is implemented in the PIC micro by a hardware module called the M aster Synchronous Serial Port known as the MSSP module This module is built into many different PlCmicro devices It allows I2C serial communication between two or more devices at a high speed and communicates with other PICmicro devices and many peripheral IC s on the market today For more technical information on the I2C protocol please read Microchip document I C Master Mode on http ww1 microchip com downloads en devicedoc i2c pdf MICROCHIP Overview and Use of the PICmicro MSSP C Interface with a 24xx01x EEPROM v 0 40 This presentation answers some questions about 12C and explai
44. herwise the INCLUDE File will be ignored Parsic V4 has a built in pre assembler so it is not necessary to set bank switching commands User of Parsic V3 have to remove all bank switching commands like BANKSEL PORTB from their existing ONCLUDE files to use them with Parsic V4 Read following example Example define sda portc 4 PIN data define scl portc 3 PIN clock define sdadir trisc 4 data pin direction define scldir trisc 3 clock pin direction ESOS OSS E ISSO SISSIES SIGCSE Subroutines for setting SDA amp SCL high level pin is input low level pin is output and low Se ent ne E tegen game E net eaee ts E EE SCLHigh bsfscldir input goto iidelay SCLLow bcf scl bcfscldir output goto iidelay SDAHigh bsf sdadir input goto iidelay SDALow bcf sda bcf sdadir output eK KK K K K OK K K K K K KK KK K K K K K K K K K K K K K K K K K 12 Delay IlDelay Clrwdt return 43 PAA 3 33 Label Prs Labels are competent for the connection of the same signal names on different function plans Parsic provides a clear name It is possible for you to change this name With the right mouse button you reach the dialog for the settings You can choose there 1 whether the label is source or destination 2 assigning the source label to the destination label 3 change the name To restore the name allocated by Parsic simply enter P X Renaming If a source label is renamed all names are ch
45. hip s PIC18xxx Please consult the appropriate device datasheet for device specific information Microchip has provided for the possibility of two disastrous events for the stack register the overflow and underflow For this reason the overcoming of the stack causes the reset of the microcontroller stack reset Stack FullUndertlow waill not Case fesch w Stack Full Underflow will not cause Reset 1 stack FullUndertlow will cause Reset Memory Area Protection PIC18Fxx series Among the many features built into Microchip s Enhanced FLASH Microcontroller devices is the capability of the program memory to self program This very useful feature has been deliberately included to give the user the ability to perform bootloading operations Devices like the PIC18Fxx are designed with a designated boot block a small section of protectable program memory allocated specifically for bootload firmware The PIC18xx series allow a detailed selection of memory areas that can be protected from external reading or writing Normally these functions are disabled and must be enabled depending on your security needs While debugging you should not enable these features Below we listed the memory areas that can be protected according to the PICmicro used Step 17 Boot Block size 1K word 2K words 4K words Select size ELEC n 1K word 2 Ebytes Boot Block size TE word 2 Kbytes Boot Block size 2K words 4 Kbytes Boot Block size
46. itwise NOT or complement is an unary operation that performs logical negation on each bit forming the ones complement of the given binary value Bits that are O become 1 and those that are 1 become 0 Input Input signal Output Negated input signal Name The name of the gate must be clear max 30 characters and Parsic is allocating automatically 3 39 Logical OR operator A bitwise OR takes two bit patterns of equal length and performs the logical inclusive OR operation on each pair of corresponding bits The result in each position is 1 if the first bit is 1 or the second bit is 1 or both bits are 1 otherwise the result is 0 Inputs Integer 2 to 16 number of logical inputs Output Result of logical OR operation Inverted Inputs or Output Negated result of logical OR operation NOR operation Name The name of the gate must be clear max 30 characters and Parsic is allocating automatically 3 40 Logical XOR operator A bitwise XOR takes two bit patterns of equal length and performs the logical exclusive OR operation on each pair of corresponding bits The result in each position is 1 if only the first bit is 1 or only the second bit is 1 but will be O if both are O or both are 1 In this we perform the comparison of two bits being 1 if the two bits are different and 0 if they are the same Inputs Integer 2 to 16 number of logical inputs Output Result of logical XOR operation Inverter Inputs or Outputs Negated result of logical XOR op
47. l the data is transferred Receiving The ACT Output remains on high level until the data are correctly received or an error is occurred The I C Base object is the base for accessing the I C bus It provides subroutines for accessing the I C bus 2C Data accesses the selected device over I C Base object Read more The I C Base object is the base for accessing the I C bus It provides subroutines for accessing the I C bus 2C Data accesses the selected device over I C Base object Read more information The SPI Base object is the base for accessing the SPl bus It provides subroutines for accessing the SPlI bus The SPI Data object accesses the selected device over SPI Base object Read more The SPI Base object is the base for accessing the SPl bus It provides subroutines for accessing the SPI bus The SPI Data object accesses the selected device over SPI Base object Read more 29 With the EEProm Object it is possible to save the contents of variables in an internal or PRG external EE Prom This happens at every positive edge at the input of the object After a reset the indicated variables are read in automatically Inter face INTERNAL At the selection all present variables are displayed in the left list All variables which you would like to save must be moved into the right list Read more In a macro multiple objects can be combined into one object Saved macros can be added to the function plan
48. lia snc worldwide distributor does not assume any liability for infringement of patents copyrights or other intellectual property rights of third parties by or arising from the use of Visual Parsic V4 No license express implied or otherwise is granted hereby under any patents copyrights or other intellectual property rights of Parsic Italia snc or Swen Gosch Visual Parsic V4 is a Swen Gosch product Elmschorn Germany Swen Gosch Elmschorn Germany claims the copyright of and retains the rights to all material software documents etc contained in this release The Customer shall not copy in whole or in part software or documentation Modify the software reverse compile or reverse assemble all or any portion of the software or rent lease distribute sell Visual Parsic V4 Parsic Italia snc warrants that for a period of ninety 90 days from the data of shipment of Visual Parsic V4 the media on which the software is furnished will be free of defects in material and workmanship under normal use and the software substantially conforms to its published specifications Descriptions of circuits software and other related information in this document are provided only to illustrate the operation of the products and application examples The Customer are fully responsible for the incorporation of the HEX software produced by Visual Parsic V4 in its equipment Parsic Italia snc assumes no responsibility for any losses incurred by you or thi
49. limit constants and or variables are allowed Error outputs The Limiter has 2 error outputs Ifthe upper limit is exceeded then the upper output goes high Ifthe lower limit is fallen below then the lower output goes high Note Using of these outputs is optional If nothing is connected at them then Parsic doesn t create any source text for these outputs Type 8 bit The input is treated as 8 bit variable This applies to the upper and lower limit as well if they are indicated as variables 16 bit The input is treated as 16 bit variable This applies to the upper and lower limit as well if they are indicated as variables 48 A bitwise AND takes two binary representations of equal length and performs the logical AND operation on each pair of corresponding bits The result in each position is 1 if the first bit is 1 and the second bit is 1 otherwise the result is 0 In this we perform the multiplication of two bits 3 37 Logical AND operator For example 1xO0 Oand1x1 1 A gate has up to 16 inputs All inputs and the output can get inverted Inputs Integer 1 to 16 number of logical inputs Output Result of logical AND operation Inverted Inputs or Output Negated result of logical AND operation NAND operation Note At only one input the output gets inverted automatically gt Inverter Name The name of the gate must be clear max 30 characters and Parsic is allocating automatically 3 38 Logical NOT operator The b
50. ll Parsic 4 you must accept this agreement lt Back No Carefully read end user license agreement If you agree whit it click Next to precede Step 3 Readme information and Select user Ukor Miormaiiam Pisae inctall on pour computer the folowing apia MPLAB Suse Ver Hoey ov Baek veon Pick on Pda programmer on egu alert RCP cregi bor Aasaa cand Diare dra them bober Virtual Pai a leer Debie aia Al aeiu Aire rere ae OREH GHE pA u It s recommended to insert your Name Company and serial number In PDF setup page there is the number of your license Click Next to proceed Step 4 Choose destination Choose Destination Location Setup will install Parsic 4 in the following directory To install to this directory click Next To install to a different directory click Browse and select another directory You can choose not to install Parsic 4 by clicking Cancel to exit Setup Destination Directory C Programmi Parsic 4 Browse lt Back Cancel We suggest destination folder or select a different installation by clicking browse button Step 5 Setup Type Select program Folder Progress installation bar Select Propramn Folder ran Setup wil add piagam scons to the Progam Folder keted below SL Te E EE Blan A pect inact lectern lendeane Folda kt Dick Nest to confine Typ wall be inetaed wih the moc common Hatt ine nanana one gt Compact Prag be ad th minisun
51. nal impulse is determined with a resolution of 16 bits For that Parsic uses PORTB change interrupt RB4 7 The precision depends on several factors The clock frequency Number of used timers and Mono Flops The time is decided with help of the internal clock frequency This corresponds with a resolution of 1 microsecond 20 MHz gt 200 with the positive edge After the negative edge appears the time is stored in a variable with the name RBxTIME and RBxTIME_HI In the Info dialog you can adjust whether the start of measuring shall start at a positive or negative edge Notes many timer objects or Mono flops reduce the precision This object is not supported with all microcontrollers Further any accesses to the PORTB register RB X should be avoided nanoseconds at a 4 MHz quartz The length of impulse to be measured must lie between 50 and 65500 times The time measurement starts 42 INC 3 32 Include INCLUDE files are to embed subroutines and assembler source into Parsic With the right mouse button you can chose on which place in the created source text the INCLUDE file will be embedded There are 5 positions where INCLUDE Files can be embedded 1 at beginning of the initialization 2 atthe end of the initialization 3 inthe main program 4 inthe interrupt routine 5 Subroutine 6 Only definitions no code Note Embedding in the interrupt routine at minimum one object with times must be available ot
52. ns with a full example how to connect a PICmicro MSSP module to an EEPROM The I C Base object is the base for accessing the I C bus It provides subroutines for accessing the I C bus 2C Data accesses the selected device over I C Base object Name The name of the object must be clear max 30 characters and is assigned automatically by Parsic SDA This is the data line of the I C bus It can connected to any pin The port pin is an Open Collector type SCL This is the clock line of the I C bus It can also connected to any pin The port pin is an Open Collector type 40 3 30 12C Data I C Data Also see 2C Base Interaction between I2C Base and I2C Data Edit Device Over the I C Data object data will be read or written from a device Depending on the used device and the selected function the ADR connectors DIN and DOUT are displayed or hidden Name The name of the object must be clear max 30 characters and is assigned automatically by Parsic Interface Here you choose the 2C Base object over which the communication runs Device Here you select the device which you want to use An non existing device can also be created by yourself but you need basic knowledge of the I C bus Bus address This is the address at which the device responds Allowed are values between 0 7 This address must match the hardware address AO A2 Function Here you can choose the function that shall be executed A
53. nsmission delay of the complete program Example You have entered the variable ZV1 It describes a counter ZV1 This counter has the value 16 at the moment Then the Mono Flop got a pulse duration at present of 16 x 256 4096 times 4096 uS at 4 MHz program transmission delay 59 UART LNT 3 53 UART Base Pase Universal Asynchronous Receiver Transmitter With this object you define the settings of the serial interface Not all microcontrollers have a built in UART If you use a PIC without hardware UART an error message is created See Connection example RS232 See Connection example RS485 Baud rate Here you can select the speed with which the data shall be transferred Depending on the frequency of the PIC the resulting Baudrate deviates more or less from the selected Baudrate The indicated error should not exceed 3 The format is always 8N1 8 Bit data no parity 1 stop bit Tx pin You have to indicate at which Pin the data shall be distributed If you use UART hardware it is a quite defined connection type RC 6 Rx pin Here you must say at which pins the data are fed If you use UART hardware it is a quite defined connection type RC 7 DIR Pin only half duplex If a RS485 interface is used this connection switches the data direction This output has low level reception If data shall be transferred this output is set to high level send until the end of the transmission This happens without consider
54. nternally tied to VDD which allows the pin to be used as a general purpose input pin Driving the MCLR Pin Master Clear MCLR Pin Vop rise rate for proper POR is specified in the device datasheet A logic low on the PIC16F87XA Master Clear pin will generate a hardware reset on the device PIC16F87XA gt It is very important to note that the MCLR pin has no internal pull up and must NOT be left floating It should also to be noted that on some devices the MCLR is used to place the device in programming mode with a VPP voltage on the pin which is usually 13V Because of this there is no upper protection diode on this pin although there is a voltage clamp When the MCLR function of the pin is enabled it is a an active low Schmitt trigger input This means that to guarantee a reset the voltage on the pin must be lower than the VIL maximum input low voltage level specified in the datasheet To make sure that the device does not get reset unintentionally during normal operation the voltage on the MCLR pin must be kept higher than VIH minimum input high voltage level specified in the datasheet The noise in the system can cause the accidental reset of PICmicro Master Clear MCLR Pin Master Clear MCLR Pin The voltage on the MCLR pin must be kept higher than the Vin level specified in the datasheet to prevent an unintentional reset When enabled the MCLR pin functions as an active low Schmitt trigger input
55. nto the bootloader otherwise an existing program called With the setting if low or if high you decide which level must on the selected port to enable the bootloader Signaling bootloader active at If the bootloader is active this port is set to high Baudrate Here you can select the speed with which the data should be transferred Depending on the frequency of the PIC the resulting Baudrate deviates more or less from the selected Baudrate The indicated error should not exceed 3 Connection Enter running program In order to have the possibility to activate the boot loader from a running program the Enter connection exists There are three choices to use this port Same port and same polarity as in only power on inverted low not inverted high Connection remains empty The bootloader can only be activated at power on Through any other object with a bit output Burning the bootloader 1 Make sure that the boot manager is disabled 2 Place the bootloader in your sheet 3 Check in Settings gt Microcontroller the frequency and make sure that Write protected is disabled 4 Click with the right mouse button on the boot loader and choose a valid transfer rate and determine the connections for the boot loader activation 5 Compile the program with lt F10 gt or click on the icon Build HEX file 6 Burn the program with a normal programmer 7 Remove the programmer The port bootloader active should go high 8
56. nts of the diagram An input variable and an input of a block An output of a block and an input of another block An output of a block and an output variable The connection is oriented meaning that the line carries associated data from the left end to the right end The left and right ends of the connection line must be of the same type 3 3 Absolute value 3 4 Analog input 3 5 Arithmetic divide 3 6 Arithmetic multiply 3 7 Arithmetic subtract 3 8 Arithmetic sum 3 9 Bootloader 3 10 Call Table 3 11 Clock generator 3 12 Compare lt 3 13 Compare lt 3 14 Compare lt gt 3 15 Compare 3 16 Compare gt 3 17 Compare gt 3 18 Counter Up Down 8 16 bit 3 19 Counter 8 bit 3 20 DAT Analog or Include 3 21 Decoder 3 22 De Multiplexer 3 23 Digital Input 3 24 Digital output 3 25 EE Prom 3 26 Encoder 3 27 Edit Device 3 28 Ground amp Vcc 3 29 2C Base 3 30 12C Data 3 31 Impulse input 3 32 Include 3 33 Label 3 34 LCD Base 3 35 LCD Text 3 36 Limiter 3 37 Logical AND operator 3 38 Logical NOT operator 3 39 Logical OR operator 3 40 Logical XOR operator 3 41 Macro 3 42 Memory Set Reset latch 3 43 Multiplexer 3 44 PWM output 3 45 Schmitt Trigger 3 46 Shift register 3 47 Sleep 3 48 SPI Base 3 49 SPI Data 3 50 Table Editor 3 51 Timing Falling edge 31 3 52 Timing Pulse timer 3 53 Timing Rising Edge 3 54 UART Base 3 55 UART Data 32 3 3 Absolut
57. ogue input where x is a number between 0 and 7 The following names are commands of the Microchip assembler Parsic accepts the names but the assembler will create an error message at ia n l i q i Po x E j l i j L Er J HiICro Instruct Byte Oriented Operations No Operation Bit clear f Move W to f on acre He Clear W Bit test f skip if clear Clear f S Bit test f skip if set Subtract W from f Decrement f Inclusive OR W and f AND W and f Exclusive OR W and f Add W and f Move f Complement f Increment f Decrement f skip if zero Rotate right f through Go into standby mode Clear watchdog timer Return place literal in W Return from interrupt Return from subroutine Call subroutine Go to address k is 9 bit Move literal to W Inclusive OR literal with W Add literal with W Subtract W from literal AND literal with W Exclusive OR literal with W Rotate left f through carry Swap nibbles of f Increment f skip if zero Eee ee ee et les f File Register k literal value 8 bit b bit address lt 0 7 gt d destination O f 1 W Note An exact description of the assembler commands you will find e g in the quick reference guide of MPASM of Microchip http ww1 microchip com downloads en devicedoc 31029a pdf Comment A comment is generally an added piece of information or an observation These are usually marked with an abbreviation such as Timer Clock Converter or this file i
58. or Also see 3 10 Call The table stores data inside the ROM The access on the table always takes place over the CALL Objekt Tables always created as a subroutine inside the ROM Type 8 bit Values with a range of 0 255 are stored in the table The length of the table may lie between 1 and 2048 Type 16 bit Values with a range of 0 65535 are stored in the table The length of the table may lie between 1 and 2048 Each value is stored in the order low byte high byte Processing table Click with the right mouse button into the table object Give the table a clear name Define the length Enter the values With the right scroll bar you can reach the remaining values The counting always starts at 0 During entering the values you are able to vote between different formats independently to what you have chosen under lt display gt Display Input ali numbers between 0 9 are allowed with preceding the numbers 0 and 1 are allowed High order zeros be able to be left out with preceding one arbitrary ASC character is allowed with preceding the characters 0 9 and A F are allowed O Save The contents of the table are saved in the ASCll format One value is written in each line Load The contents of the table came out of an ASCIl file A value have to be in each line Blank lines are ignored If the type is 8 bits then higher values are cut off to 8 bits Application examples 7 segment decoder Linearization o
59. output you can prevent that two objects will receive resp transmit data at the same time Parsic uses this output to control the data flow Well minimum one interconnecting line must be connected even if you don t want to use this function Function transfer All presently created variables are shown in the left list in the RAM Slide all variables which shall be transferred into the right list The succession in the right list also determines the succession at transmission At a positive edge at the Enable Input EN the output buffer is filled with the indicated variable checksum and authorized for transmission Every further edges don t have any consequence until the transmitting has been finished Function receive In the left list in the RAM all presently indicated variables are shown Slide all variables into the right list which shall get the received data At a positive edge at the Enable Input the input buffer is initialized and authorized for reception Only such data as indicated in the right list will be received every line is 1 Byte Every further edge doesn t have any consequence till the reception has been ended Note If errors occurs during reception of data or checksum if activated then the reception gets interrupted and the ACT Output is set low Connection diagram RS232 PIC16C73B MAXese2 5 Ice a OSC1 CLKIN OSC2 CLKOUT 5 RAB ANG T10SO TICKIVRCB 3 RAI ANI T1OSI CCP2 RC1 tH R
60. played If itis a 16 bit variable then a 5 digit decimal value is displayed Under gt leading zeros you can vote whether leading zeros shall be shown or replaced by blanks If constant length is assigned then the issue is limited on the set length Example Length 2 If the variable at the input contains a 123 then only 23 are displayed If the set length is larger than 3 8 Bit variable or 5 16 Bit variable then the length is ignored Display hexadecimal If it is a 8 Bit variable then a 2 digit hexadecimal value is displayed If it is a 16 Bit variable then a 4 digit hexadecimal value is displayed If it is a 24 Bit variable then a 6 digit hexadecimal value is displayed If it is a 32 Bit variable then a 8 digit hexadecimal value is displayed Display binary If it is a 8 Bit variable then a 8 digit binary value is displayed If it is a 16 Bit variable then a 16 digit binary value is displayed If it is a 24 Bit variable then a 24 digit binary value is displayed If it is a 32 Bit variable then a 32 digit binary value is displayed Under leading zeros you can choose whether leading zeros are shown or replaced by spaces 47 3 36 Limiter The limiter 8 32 bit integer checks the contents of the input variables with the upper and lower limit Ifthe input gt upper limit then output upper limit Ifthe input lt lower limit then output lower limit Otherwise output input Note For upper and lower
61. put is written into duty cycle register The value must lie between O and 1023 51 ES PICkit 2 Logic Tool VOD On 127 5 us Div Cursors A 40 us Trigger MOTE i Chi amp Ch2 DIJETE N inputs hawe F f i 4 7k Ohm Ch Dont Care pull down 1 Logic High resistors h 0 Logic Low l Rising Edge PICKit 2 VDD MUST connectto P S Falling Edge circuit YDD Sef WOD Votage watse times STANT AONI PICkit 2 Logic Tool 3 45 Schmitt Trigger The inputs work with 8 bit up to 32 bit resolution For SP and HY input applies The values may be constant or variable The IN input must be variable Itis possible to invert the function of the output Function The signal to be measured is given on the IN input The SP input defines the upper switching point The HY input determines the hysteresis The lower switching point is calculated out of SP HY input Example SP 100 HY 20 The output get high at values gt 100 and at values lt 100 20 it get low Note The hysteresis may never be greater than the switching point Name Y 2 40 us 25 kHz oom 0 5 1s O 2s dy Save Aquisition Sample Rate 1 MHz 1 ms Window NOTE Signals greater than 500 kHz will alias RUN Trigger Position Start of Data O Delay 1 Window Center of Data Delay 2 Windows End of Data Delay 3 windows T beanie TO zamnpies Exit Logic Tool The
62. rd parties arising from the use of software Visual Parsic V4 Parsic Italia snc has used reasonable care in preparing the information included in this document but Parsic Italia does not warrant that such information is error free Parsic Italia assumes no liability whatsoever for any damages incurred by you resulting from errors or omissions from the information included herein The customer assumes its responsibilities arising from the production of electrical automation produced by software Visual Parsic V4 In no event and any reason Parsic Italia snc does warrant the usability or suitability of its software Visual Parsic V4 in any medical aviation military or other life critical applications Parsic V4 is intend for programming PIC microcontrollers from Microchip 8 bit family series 10 12 16 18F 3 Upgrade and support Parsic Italia provide upgrades from our web site www parsicitalia it or www parsicitalia com For technical support send Email at info parsicitalia com 4 Copyright Microchip Windows PICkit2 3 MPLAB MCP2200 Windows Visual Parsic V4 and others are internationally registered trademark 5 Requirements Win 98 Windows XP Vista W7 W8 MPLAB and his accessories PicKit 2 3 MCP2200 for USB connectivity by Arethusa Card Hardware system Arethusa Series V21xx 6 Visual Parsic on PC Automatic setup A license of Parsic V4 is sold with an activation USB key Optional component Win 98 Win2000 32 bit
63. re execution may not disable this function The WDT has a nominal time out period of 18 ms with no postscaler The time out period varies with temperature VDD and process variations from part to part see DC specs If longer time outs are desired a postscaler with a division ratio of up to 1 128 can be assigned to the WDT under software control by writing to the OPTION_REG register Thus time out periods of up to 2 3 seconds can be realized WDT period can be expanded up to 2 3 seconds by using max prescaler value Watch Dog Timer Watchdog Timer WDT enabled Watch Dog Timer prescaler ar Enable Jeweren Enables the Watchdog Timer WDT at run time e Programming Watchdog Timer is typically used for one of two functions Forces reset if code execution becomes unstable Forces MCU to wake from SLEEP mode on periodic basis ebugger ICD Postscaler can be used to increase delay time 13 a Step 6 Power On timer The Power Up Timer or PWRT provides a time out period to allow the VDD to rise to an acceptable level to prevent ambiguous operation It operates on an internal RC oscillator that provides a nominal 72ms delay When Brown Out Reset is used the Power Up Timer is always enabled Power Up Timer is always enabled when Brown Out Reset is enabled even if Power Up Timer is disabled They work together to allow VDD to rise to an acceptable level after a Brown Out Reset Please see your de
64. s called ICSP In Circuit Serial Programming the second method is called Low Voltage ICSPTM Both algorithms can be used with the two available programming entry methods The first method follows the normal Microchip Programming mode entry of holding pins RB6 and RB7 low while raising MCLR pin from VIL to VIHH 13V 0 5V The second method Low Voltage ICSPTM or LVP for short applies VDD to MCLR and uses the I O pin RB3 to enter Programming mode It is important to note that when LVP is enabled it dedicates the RB3 pin for use during the low Voltage Programming A rising edge on RB3 followed by a rising edge on MCLR will cause the device to enter programming mode Please consult the datasheet for details Low Voltage Programming LVP cp DEBUG WRT1 WRTO CPO EMB soren f PWRTEN WOTEN Fosc1 Fosco Low Voltage Programming RB3 FGM pin has PGM function LVP not available on all devices RES is digital 1 0 HY on MCLA must be used for programming RB3PGM pin has PGM function l Prog ramming Data EEPROM code protection off kaa Voltage Device od Step 13 In Circuit Debugger ICD One of Microchip s most innovative tools is the real time In Circuit Debugger called MPLAB ICD The ICD utilizes the In Circuit Debugging capability of the PICmicro This feature along with Microchip s In Circuit Serial Programming ICSP protocol offer cost effective in circuit Flash programming and debugging from the MPLAB IDE interfa
65. s can also be selected without pressing the shift key Language Choose your language Environment Sheet View Create wire names automatically C Arrange windows automatically Right mouse button centers Arrows at slanted connections Select without shift Language Deutsch English Italiano Step 4 Color and Simulation Open the Settings menu and click Color On this control panel it is possible to change the colors mode of the objects connections and background Select 3D for to view the objects in 3 Dimensions Change colors M Ma B e C c O e _ aiid M on aie aise tes 10 Simulation If you click Simulation in Settings menu you can change the color of the logic level line simulation High Low and the background of LCD module The field Refresh determines the interval in milliseconds the objects are updated in the simulation The value must be between 1 and 65000 ms Simulation E m Refresh 1 65000 100 sw Step5 Project Setting In Settings menu click on Project setting The following properties are available Created on Creating date and time of the current file It cannot be changed Last change Last saving date and time of the file It cannot be changed Password If a password is used it is requested loading this file All characters are allowed Version Main version An arbitrarily number between 0 and 127 can sta
66. s not complete Good use of the comments is very important as the meaning and purpose of a sequence of instructions is difficult to remember after a long time Wise use of comments can greatly simplify the problems of understanding the schematic that need change in the future Comment 25 255 This file is not complete 24 3 1 Functional Blocks Here is a short overview of which functional Block supported in Visual Parsic 4 You can see what each Block does and it representative icon For other information use HTML help Standard Blocks Toolbar Icon Name Description The timer distributes a definite frequency to its output With the right mouse button the Timer 3 11 name and the period time can be changed An error message will follow after invalid input of the period time A gate has up to 16 inputs All inputs and the output can get inverted Gate 3 37 Condition for setting Condition for reset Aid S High R High R S FF 3 42 R Low S High or Low Note Inverted in or outputs turn over the function The counter is a 1 byte variable and therefore it can count from O up to 255 The outputs max 8 can be distributed on various bits Counter e Source text is created only for the outputs which have a signal name 3 19 e Allin and outputs can be inverted e Priority has the Reset Input Counter UP Down 3 18 a IS Shift Register CLK ao RES 3 46 The counter is a 1 byte or 2 byte variable and therefore
67. t 8 Bit 24 Bit 16 Bit 32 Bit Example The macro input is directly connected with the input of an OR Gate The type of the OR Gate input is Bit The macro input must then also set to bit Description Here you can enter a short description of the connection The length is limited to max 6 chars Macro output The macro output is analogous to the macro input with the difference that he is connected with the object outputs 50 3 42 Memory Set Reset latch In electronics a flip flop or latch is a circuit that has two stable states and can be used to store state information Flip flops and latches are used as data storage elements Such data storage can be used for storage of state and such a circuit is described as sequential logic When used in a finite state machine the output and next state depend not only on its current input but also on its current state and hence previous inputs It can also be used for counting of pulses and for synchronizing variably timed input signals to some reference timing signal Condition for setting S High R Low Condition for reset R High S High or Low Note Inverted in or outputs turn over the function Priority The priority determines what happens at the output when both inputs are high level R input the output will be set to low S output the output will be set to high Name The name of the RS Flip Flop must be clear max 30 characters and P
68. t Special features at some devices RA4 output programmed it is a Open Collector type maybe a pull up resistor is required RBO 7 input programmed pull up resistors could be programmed internally RBO 4 7 can trigger an Interrupt Connection Info Name AB Inverted 22 The analogue inputs Take a data source and put it in the active window Click with the right mouse button on the data source and enter the value e g ADCO From the output of data source you can pull connections to the Schmitt Trigger or to other objects with a 8 Bit inputs The allocation of the A D channels under Parsic is the following Pin A D channel inside Parsic ANO AN1 AN2 AN3 Data info Type 8 Bit 16 Bit O 24 Bit O 32 Bit Ay np NE 23 Name objects Parsic usually allocates the names for objects automatically and numbers these Under special circumstances however it can be required to allocate a solid identifier Click with the right mouse button into the object below on the left Change the first two characters of the name in the dialog A Maximum of 30 characters for the name is allowed The first character must be a letter always Example The AND gate has the name LG12 Change the name to L1 Now the name will not be changed by Parsic anymore Special names under Parsic S used for signals Rx GPx used for allocate in and output of the PIC ADCx describes an anal
69. t single output switch and a demultiplexer as a single input multiple output switch In electronics a multiplexer or mux is a device that selects one of several analog or digital input signals and forwards the selected input into a single line A multiplexer of 2 inputs has n select lines which are used to select which input line to send to the output Multiplexers are mainly used to increase the amount of data that can be sent over the network A multiplexer is also called a data selector Conversely a demultiplexer or demux is a device taking a single input signal and selecting one of many data output lines which is connected to the single input Multiplexer 8 32 bit integer Type Sets the range for in and outputs 8 Bit 16 Bit 24 Bit 32 Bit OOOO 37 Function nto 1 At this function the Multiplexer has 2 8 inputs The inputs select and the output are 8 Bit broad Byte The inputs may also be constant 0 255 Select Input Output 0 INO 1 IN1 2 IN2 etc Note If the value at select is greater than the number of inputs nothing happens Function 1 ton At this function the multiplexer has 2 8 outputs The outputs select and the input are 8 bits broad byte Select input Output O OUTO 1 OUT1 2 OUT2 etc Note If the value at select is greater than the number of outputs nothing happened Name The name of the Multiplexer must be clear max 30 characters and is automatically assigned by Parsic
70. t IODIRA address O0 IODIRA all outputs IODIRB all outputs select GPA address 12 Step 2 AUX program MPASMWIN Open the Settings menu and click Assembler In External Programs click the Search button to find MPASMWIN exe This program is located in C Program Microchip MPASM Suite Double click on icon MPASMWIN exe and next click push button OK External programs Microchip Assembler C Programmi Microchip MPASM Suite MPASMWIN exe Cerca in MPASM Suite Example LKR Template El_mplink Elmp2cod Elmp2hex SS MPASMWIN ZClmplib Elmplink Documenti recenti Desktop Documenti Step 3 Environment Open the Settings menu and click Environment In this panel there are some settings for create the logical schematic Its contents will be adjusted according your needs Create wire names automatically Activated the wire names are created automatically when connecting objects default With Bit Signals gt Sx x for example S0 1 is the first connection of logic AND 1 With Byte Signals gt Sx for example SO is the out signal of a arithmetic block Arrange Windows automatically If enabled while opening or closing a window the size of the remaining window is automatically adjusted 8 Arrows at slanted connections If enabled the start and the end of a connection are marked whit arrows when they are not at right angles Select without shift If enabled object
71. t every positive edge at the CLK input the function will be executed Depending on the function corresponding inputs and outputs are displayed in the I C Data object Interaction between I C Base and I C Data Numbers indicate the order I2 _START 12 _STOP 1 Creates C base source Per 12 _SEND BYTE 12 _RECEIVE BYTE Info inside the file Device ini 8 E ps1631 Read temp START WRITE CC BADR WR WRITE SAA ERR STOP c Ie 7 17 i WA E Init START WRITE CC BADR WR i CALL IB1_IISTART Read Temp START WRITE CC BADR WR MOVLW 152 CALL IB1_IISEND MOVLA 170 CALL IB1_IISENC CALL IB1_IISTART I C Data Device DS1631 Func Read tem 2 4 Create source for calling the function Read temp 41 FIGURE 8 2 RANDOM READ Datasheet piece from 24C02 Edit I2C SPI Device ver S S T WRITE T READ S Fi BUS ACTIVITY A CONTROL WORD A CONTROL ii e MASTER R BYTE ADDRESS n R BYTE DATA n O D Aktuell Parsic 4 0 7 8 Device ini ma T A T A P in SirfolsfolehcR iS Ls Shool P 20 Device SDA LINE A A A N SPl Device C k e O i BUS ACTIVITY A Device C Ci K Control Code CC one Function Read l Delete function Commands START WRITE CC BADR WR El WRITE ADR i i che SS ID10 Interface IBS STOP ERR BUSADR 0 22 0 ig Q wv 7 3 31 Impulse input Ip With the impulse input the length of an exter
72. the connection Note At the first start with a freshly burned PIC the EE Prom contains only SFF values 255 To avoid malfunction use the Limiter or activate the checksum Only one external EE Object is allowed in a project even if Parsic allows several Saving with checksum If the values are written into the EE a 1 Byte checksum is created After a reset the checksum is controlled If it doesn t match all variables which are indicated in the right list will be initialized with zero Check after writing Verify After writing of a byte it is read once again If it do not match the writing process is repeated 3 26 Encoder Read 3 21 Dispatcher or Encoder Decoder 3 27 Edit Device Connections between objects 8 Note Connections always start at an object input or output The junctions are the core of connections Therefore the following connections are possible 1 Output gt junction 2 Junction gt junction 3 Input gt junction Making connection Click with the left mouse button on the object connection and hold it A green line appears You can move this green line with the mouse Parsic always starts with a horizontal line With lt shift gt you can switch the direction between horizontal or vertical Signals Each connection becomes a automatically generated signal name from Parsic If it is necessary to give a connection a fixed name please click with the right mouse button on an arbitrary junction o
73. this sign doesn t have any consequence Examples R SE2 or 226 or 226 B SE1 or 225 or SE1 a 6 HSEF or 239 Font HD44780A00 Charset HD44780 A00 Table 4 Correspondence between Character Codes and Character Patterns ROM Code A00 saree 0000 Sea oroi omoa 1 cola Anaa e PFE molol ZIRT T1914 e 6 wow lo HSCS a FEE eo E E e A kPa wooo eae Metal TF ae L SSFUF YU 3N ape enle FAGS w Rag molol KSA Ise La eg Le mwl AVAL Tel ats aTe y mol PEE elz zlib F mmlel ER REKEL al SIE IO A eol fp KEFR ella m molol HERMIE alse wolf SIN ale oll eeo wie ol Note The user can specify any pattem for character generator RAM 46 Font HD44780A02 Charset HD44780 A02 Table 4 Correspondence between Character Codes and Character Patterns ROM Code A02 ee ee cond Aas el IARAA oo SB REPRP C2 ADAS ooo o PPE SICIS CS amt Alo ao oor o EF 4 DT dt HE eR Alo aS ml 8 SE ey Aor FM oS ooo EL DF as TA Ee wn 0 E FGW wN E G3 mwl o PEBH H hetk F a EEEE mepe a Tei ee mw oR aS Jz YS Eged o oo ae el s Kk a eS E De SEDAAN ue epn olaan eea Display variable In the function plan an additional connection is displayed in the object At this the signal is connected whose value shall be reported The alignment in the display is align right Display decimal If it is a 8 Bit variable then a 3 digit decimal value is dis
74. to all blocks including block 4 BUT has no access to block 3 2 Code inside block 3 has full access to all blocks including block 3 BUT has no access to block 4 3 All other blocks have full access to all blocks except block 3 and block 4 Legend x B boot O 1 2 3 20 Schematic User Functional Block 3 0 Description Insert Block on schematic Use left mouse button to drag a selected block one click and drop in design area one click e File Edit Settings Tools Window Help gt pd SA P Standard Various Enhanced Macro Bootloader a ve gt OUT i a du 2 G 2 11 Z An f sa PLIL TETE dL amp Simple state machines Example 1 No next step without the pre The next step resets the pre Example 2 No next step without the previous step the last step resets all the privious steps Step 1 Removing Block Push left mouse button and move the cursor in diagonally area around the block release and for removing press Delete button Note when you have selected the object it change color Move Block Move the cursor above the Block Click on left mouse button and drag the Block in another position release the button when you have reached the new position Move Block or selected schematic area Push the left mouse button and move the cursor in the diagonally area you want select 1 Release mouse button all area selected change color 2 Push the left mouse button above
75. values of the entries Tables The contents of the variables at the IN input is the index of the entry in the table Example The table which shall invoked has a length of 16 The contents of variables at IN Input must lie between O and 15 If the value is higher it can be that the PIC executes a reset Type 8 bit the output is a 8 bit variable 16 bit the output is a 16 bit variable This type have to be used accessing 16 bits tables 3 11 Clock generator i The timer distributes a definite frequency to its output With the right mouse button the name and the period time can be changed An error message will follow after invalid input of the period time Name The name of the timing circuit must be clear max 30 characters and Parsic is allocating automatically If a 8 bit variable is indicated for the period time then the period time is calculated as follows value of the variables 0 255 x 2 x 256 program transmission delay of the complete program Example You have typed in the variable ZV1 It describes a counter ZV1 At the moment this counter has the value 16 Than the timer has at present a period time of 16 x 2 x 256 8192 clocks 8192 uS at 4 MHz plus program transmission delay If a 16 bit variable will indicate for the period time then the period time is calculated as follows value of the variables 0 65535 x 2 x 256 program transmission delay of the complete program 35 3 12 Compare Read 3
76. vice specifications for Power Up Timer Activated additional 72ms maintened after a reset till the microcontroller starts with the program Power up Timer Voo V POR BOR trip point Code execution begins at reset vector 0 Device in Power up Timer Reset PWRT wal Step 7 Brown Out Detect Brown Out Reset Brown Out Voltage Another feature enabled through the configuration bits is the Brown Out Reset or BOR The function of Brown Out Reset is to reset the CPU when VDD drops below VBOR this is typically at 4 volts The BOR will hold the device in reset for as long as VDD remains below VBOR When VDD rises above VBOR the device is held in reset for additional time by the PoweR up Timer PWRT If VDD should drop below VBOR at anytime the BOR will then restart the process again Disadvantage additional electricity consumption of max 500 uA Brown out Reset Code execution begins at reset vector 0 Device Running dal in Step 8 Port B pull up enable Activated each PIN from RB RB7 internally get pull ups when configured as input All the port pins have built in pull up resistor which make them ideal for connection to push buttons switches and optocouplers 14 Step9 MCLR Master Clear Enable Master Clear MCLR pin is used to generate a hardware reset on the device On most PICmicro MCU s the MCLR pin is always active However on some MCUs the MCLR signal can be configured to be i
77. with File gt Load macro If you click with the right mouse button on a macro a function plan will be opened with the title Macro It behaves like a normal function plan In addition the Toolbar gt Macro will show two more objects These objects are needed to add inputs and outputs to the macro Each macro can be added a maximum of 16 inputs and 16 outputs As long as a macro is opened it can be saved by choosing File gt Save macro for other projects Read more tn H ba m yn a _ es maf imi WLAT o T eT m m E ECH ma E ET a Thor Macro 1 Left module and his terminals 2 Right schematic inside Macro Bootloader The bootloader is a small program that receives data via the serial interface and stores REERNERANND EN oe them in the program memory or EEPROM of the PIC It is so designed that it never LED PIN RB O Bootloader ENTER overwrites itself 3 9 Read more 30 3 2 Block Description In Parsic 4 a function block contains input variables output variables and his properties The Function Block Diagram is a graphical language for PICmicro design that can describe the function between input variables and output variables A function is described as a set of elementary blocks Input and output variables are connected to blocks by connection lines Inputs and outputs of the blocks are wired together with connection lines or links Single lines may be used to connect two logical poi
78. y here Minor version An arbitrarily number between 0 and 127 can stay here also Build Arbitrarily number between 0 and 255 8 Increase automatically If activated the build version will be increased by 1 during saving the file On overflowing from 255 to 256 the build version will be reseted to 0 and the minor version will increased by 1 The main version remains always unchanged The main version and the side version typed in the assembler directive __IDLOCS Therefore it is possible to comprehend which program version is branded in the PIC Project settings Created at Date Time 04 03 2013 19 54 Last change Date Time 2207 2013 Ea Password Version Major version Minor version Build E 0 82 Increment automatically 11 2 1 Config Directive Configuration Word Bits PICmicro MID RANGE MCU Family The CONFIG directive enables the configuration word to be present at assembly time rather than at programming time When the code is assembled the configuration word is included in the hex file This reduces the chances that devices will be inadvertently programmed with the incorrect configuration settings These corfiguration bits specify some of the modes of the device and are programmed by a device programmer or by using the In Circuit Serial Programming ICSP feature of the midrange devices For additional information please refer to the Programming Specification of the Device
79. z PIC16F877 ICD PIC16F877A PIC16F88 PIC16F882 PIC16F883 PIC16F884 PIC16F886 PIC16F887 PIC16F857 ICD PIC16F913 PIC16F914 PIC16F916 Note that additional oscillator configurations exist so it is important to check your device datasheet for the ones that apply to your device Oscillator Miscellaneous Clock frequency in Hz min 100 t INTOSC oscillator CLKOUT function on RAB pin 1 0 functionan RA CJA MHE z 24 000 000 8 MHz INTOSC oscillator CLKOUT function on RAG pin 1 0 function on RAF PIcIErs4e INTOSCIO oscillator 1 0 function on RAG pin 1 0 function on RAT Sa PIC18F1220 RC oscillator CLEOUT function on RAB pin AC on RAF Calibration value hex y RACIO oscillator 140 function on RAE pin AC on RAT 0 20 MHz EC KO function on RAG pin CLEIN on AA 24 MHz LF oscillator C PORTB Pull Up 40 MHz T oscillator 48 MHz HS oscillator Clock frequency table Enter the value in Hz with which the oscillator runs or select the correspondent frequency Modes allow user to create a clock using Crystals gt Canned Oscillator Modules p FIN XTAL PIC MCU Resonators g RC Circuit Single Resistor 12 IntRC Mode ER Mode The External Resistor mode requires only one resistor to operate PIC MCU Internal Clock Internal Clock PIC MCU OSC2 CLKOUT Step 3 Fail Safe clock monitor Is possible activate this function if the device contains the fail s

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