>The problem is that the specification changes. And that's where he got bit. >FPP, picprg2.3d, and other 16F877 software programmers use the 5V algorithm, >and the first thing they do is bulk erase the part. But that's not a legal >operation on the 2.2V algorithm. I wonder if this is what is getting the other gentleman who is trying to bulk erase a protected F877 part, and then claiming Microchip is not telling the truth ???? -- http://www.piclist.com hint: PICList Posts must start with ONE topic: [PIC]:,[SX]:,[AVR]: ->uP ONLY! [EE]:,[OT]: ->Other [BUY]:,[AD]: ->Ads