Use the interrupt which is activated by a signal on a pin of the pic and then write in this interrupt the instructions you want. If you program in, as i do, read the C reference manual to see how you read and write to the EEPROM.Now I have a question that to saving data into pic16f877 and after a while i can use a push button then reload the data and show on lcd. I don't know how to program this part in c code, is there anyone can help me.
by Aaron Carman
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