Hi , I have coded an ICSP for LVP for PIC 18F458 .Altought I did what the spec. says it doesn't work. I have set the LVP pin high tooIf anyone interested I can send the source code . Tuprul G|gl| Proje M|hendisi -- http://www.piclist.com hint: PICList Posts must start with ONE topic: [PIC]:,[SX]:,[AVR]: ->uP ONLY! [EE]:,[OT]: ->Other [BUY]:,[AD]: ->Ads