LogTag TRIX-8/TRIX-16 Work Instruction Manual Revision 9.20 Page 47/53
APPENDIX 4 : Firmware Programming Specification
Programming
Firmware : LogTag Temperature Recorder Firmware v1.40
Filename : LOGTAG_TRIX_V140.HEX (Intel Hex format)
Dated : 06/04/10 9:38am
Processor : Microchip PIC16LC58B-04I/SO
Programming Specification:
Configuration Bits: Oscillator : LP
Watchdog Timer : Disabled
Code Protect : ON
MPLAB checksum: 0x2127 (with Code Protect ON)
0x7270 (with Code Protect OFF)
Programming voltage : 13.0V
VDD nom : 3V
Verify VDD high : 3.8V
Verify VDD Low : 2.5V
Programmer contact management
Programmer contacts need to be cleaned every 100 program cycles and replaced every 10000.
Post program PIC test
Following the programming, a processor startup check is performed.
Step 1: The programmed PIC is placed into a ZIF socket wired to an unpowered LogTag PCBA.
Step 2: 2.5V is applied to the +,- of the PCBA fixture.
Correct PIC operation is when the two LEDs blink alternately.
Step 3: Depower fixture and remove PIC
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