See: General Error Detection and Correction.
But except for CRC, these methods are a bit hard to implement on a PIC, even an '877. CRC has been done.
Ken's serial port multiplexer is a great example of CRC use, in that case for testing external RAM but the idea is the same.
| file: /techref/microchip/memerr.htm, 1KB, , updated: 2005/6/25 14:02, local time: 2008/12/5 05:45,
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