Peter Anderson wrote: > Another source of frustration. I was using about 80 > percent of the PIC18F1320. If I added a few lines of > very simple code, the device would hang. What clock rate were you running the 18F1320 at? ***************************************************************** Embed Inc, embedded system specialists in Littleton Massachusetts (978) 742-9014, http://www.embedinc.com -- http://www.piclist.com hint: The PICList is archived three different ways. See http://www.piclist.com/#archives for details.