Which part did you use as a substitute for the 4520? Regards, Bob On Wed, 2006-02-08 at 12:44 -0500, Thomas C. Sefranek wrote: > > Beware! The 4520 has a SERIOUS bug in the SPI interface. > -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist