> I'm just trying to understand what the ID realy was intended > for. To distinguish PIC types in an electronic way. If it was meant to distinguish only chips that differ programming-relevant aspects uChip could have shared IDs for many more chips, so I assume this is an error. Wouter van Ooijen -- ------------------------------------------- Van Ooijen Technische Informatica: www.voti.nl consultancy, development, PICmicro products -- http://www.piclist.com hint: PICList Posts must start with ONE topic: [PIC]:,[SX]:,[AVR]: ->uP ONLY! [EE]:,[OT]: ->Other [BUY]:,[AD]: ->Ads