Electromechanical Timer Replacement - 320Volt

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Electromechanical Timer ReplacementFIGURE 9:SCHEMATICD1Output High Indicator+5VHLMP-4700R110kR210kR310kR41kU1Timer InputJ112GP5/OSC1GP7SCLTimer ResetInputJ3134GP4/OSC2GP3/MCLRGPGP65SDAJ21 Timer Output+5VR510kPIC12C508J41 CPU Reset+5V InputCommonJ51J71+5V123U2A0A1A2WSCSDA765SDASCLJ61 EEPROM ClockJ81 EEPROM Data24C04A+5V VddIC power and ground connectionsTo U1 pin8+5VTo U2 pin8C11 µf+5VC21 µfIC Ref. U1 U2+5V 1 8GND 8 4MICROCHIP TOOLS USEDHardware Development Tools:The PICMASTER emulator with a PIC16C54 PODAssembler/Compiler Version:MPLAB 3.22.00 with MPASM 1.50© 1997 Microchip Technology Inc. DS40160A/1_005B-page 7
Electromechanical Timer ReplacementAPPENDIX A:SOURCE CODEThe PICMASTER emulator with a 16C54 pod was used to debug the PIC16C54 test version.Assembler/Compiler version:MPLAB 3.22.00 development software with MPASM version 1.50Almost all debugging was done running in simulator mode.;************************************************;* Swiss Army Timer Project *;* using the PIC12C508 Version 1.0 *;* *;* Version 1.0 written 5/20/1997 *;* by Michael Kirkhart *;* Release date: 5/30/1997 *;* *;************************************************list p=12C508 ;specifies 12C508 microcontrollerlist r=DEC ;specifies decimal radix as defaultlist x=ON ;specifies to expand macros in listingerrorlevel 1 ;print warnings and errors only in list file;************************;* General system info *;************************;;Instruction clock frequency = 4MHz;Non-branching instruction execution time = 1 microsecond;Configuration word settings: Watchdog timer = ON; Code Protect = OFF; MCLR pin = ENABLED; Oscillator = INTERNAL RC__config 0xff6;************************;* CPU Register equates *;************************IND0 equ 00 ;indirect file registerRTCC equ 01 ;real time clock/counterPC equ 02 ;program counterSTATUS equ 03 ;status registerFSR equ 04 ;file select register (pointer)OSCCAL equ 05 ;on chip oscillitor calibration registerGPIO equ 06 ;general purpose I/O register;****************************************;* Status register bit definitions *;****************************************CARRY equ 0 ;carry/!borrow flagDCARRY equ 1 ;BCD carry/!borrow flagZERO equ 2 ;zero flagPDOWN equ 3 ;powerdown flagTIMEOUT equ 4 ;watchdog timeout flag;********************************;* GPIO bit definitions *;********************************SCL equ 0 ;EEPROM serial clock (O)SDA equ 1 ;EEPROM serial data (I/O)TMROUT equ 2 ;Timer output (O)TMRRST equ 4 ;Timer reset (I)TMRIN equ 5 ;Timer input (I);*****************************************;* Equates for register files (variables)*DS40160A/1_005B-page 8© 1997 Microchip Technology Inc.
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Electromechanical Timer Replacement - 320Volt

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