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I CAN'T READ/WRITE EEPROM PIC16F676 VIA COMMAND WRITE_EEPROM

 
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I CAN'T READ/WRITE EEPROM PIC16F676 VIA COMMAND WRITE_EEPROM
PostPosted: Sun Jun 13, 2004 9:26 pm     Reply with quote
I CAN'T READ/WRITE EEPROM PIC16F676 VIA COMMAND WRITE_EEPROM AND READ_EEPROM BUT I CAN DO IT WITH PIC16F876A

PLEASE TELL ME ABOUT THIS SOLUTION
Coder
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PostPosted: Sun Jun 13, 2004 11:04 pm     Reply with quote
while the PICF676 has 128bytes of DATA EEPROM the PIC16F876A has 256 . are you sure your not addressing a memory location thats too big for the 676 ? that would explain why it works for the 876A. (provided its under the 256 byte mark)

why dont you start addressing memory locations from 1 . i.e.
Code:

write_eeprom(1,*data);
{Other code}
data_in=read_eeprom(1);


that way you can be sure its not out of bounds

i hope that works.
i have a current problem with a "A" variant chip. can you give a simple set up of your circuit. i dont need any specific peripharals. just the setup of the PIC and if the set up its any different to a non "A" chip.

thanks

Coder
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