Hi all, I am about to start playing with 16F628's after so far only using 16F84's. I have a couple of initial questions: 1) I have a home made parallel port type programmer that I have been using for the 16F84's will this be ok to use with the 16F628's (As I recall the 16F84 uses high voltage programming of the flash, will this fry my '628?) 2) I am intending to run it with a 20Mhz crystal. Should I be using the HS or XT fuses? Thanks very much, James Fitzsimons -- http://www.piclist.com hint: PICList Posts must start with ONE topic: [PIC]:,[SX]:,[AVR]: ->uP ONLY! [EE]:,[OT]: ->Other [BUY]:,[AD]: ->Ads