> Does anybody know how to program a 16F877 while In-Circuit or know of an > example or Application note. did you read the microchip programming specs? check http://www.microchip.com/1010/suppdoc/specs/index.htm Wouter van Ooijen Van Ooijen Technische Informatica: http://www.voti.nl Jal compiler for PIC uC's: http://www.voti.nl/jal PICs kopen? http://www.voti.nl/shop -- http://www.piclist.com hint: PICList Posts must start with ONE topic: [PIC]:,[SX]:,[AVR]: ->uP ONLY! [EE]:,[OT]: ->Other [BUY]:,[AD]: ->Ads