Using PIC16F877 to keep track of operation time

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female_nancy

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I was wondering how you would use the PIC's built in Timers to tell you how long the PIC has been working? This will be done in assembly code without a RTC.
 
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Yes, use one of the timers (personally I like timer2) to maintain a clock count, and store it in the data EEPROM area - so the count isn't lost if it's turned off.
 
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