I was thinking of this, but I figured I'd end up confusing myself when I go to use pins that I can't use on the older chips, such as osc2 and MCLR. Josh -- A common mistake that people make when trying to design something completely foolproof is to underestimate the ingenuity of complete fools. -Douglas Adams Wouter van Ooijen wrote: > I just use 16c84 for 16f628 and change the name... I guess there is a > 16f877 that you could use for the 18f? -- http://www.piclist.com hint: PICList Posts must start with ONE topic: [PIC]:,[SX]:,[AVR]: ->uP ONLY! [EE]:,[OT]: ->Other [BUY]:,[AD]: ->Ads