Gary, See http://www.semtech.com/developer/crc_res.html ,there is a PDF document that has coding examples as well as a white paper on CRC-8 and its use for SMBus. Regards Ray questuk wrote: > > I have searched across the web and cannot find any 8 Bit CRC code, I can find 16 Bit but I don't think this will work! > > I am afraid that working polynomial out, is way above my head! > > The code I require is X^8 + x^2 + X^1 +1, this does not seem to be the standard but I assume I would just change a number in the routine? > > If anyone can help I would be very grateful > > Thanks Gary > > -- > http://www.piclist.com hint: The PICList is archived three different > ways. See http://www.piclist.com/#archives for details. -- http://www.piclist.com hint: The PICList is archived three different ways. See http://www.piclist.com/#archives for details.