> Otherwise, could the RF be getting back into the chip via an > unprotected pin. Do you have ferrite beads / caps on all input (& > possibly output ?) pins if the RF level is so high? Once the > protection diodes start conducting all sorts of strange things can > happen. If the field is strong enough, diodes will start to rectify the RF and can give you spurious inputs like RESET. -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist