storing data and dumping data?

[ronjodu]

"The PIC16F876/877 devices have 256 bytes of
EEPROM data memory"

This was taken from page 41 of the Datasheet.

I only read and write one byte at a time so I can't help with the other part of your question.

Hope this helps...

[BrianT]

The internal EEROM on a PIC is probably not a good place to store data. One, the space is very small, two, the EEROM has a wearout lifetime.

Have a look at 'serial memory' of the 24LC512 variety. These are simple to interface but are only a small size for a logger. The M25P64 and M25P128 are much bigger but a little harder to use. Probably the best solution for data logging is the SD/MMC cards which are outstanding size for the money.

HTH
Brian

[earltyso]

thanks for the tips, I will loop into the serial external devices...