In-Reply-To: Neil Harling wrote: > I set the code protection bit in a PIC16F877. This rendered the part > un-programmable using the > PICSTART Plus programmer. > > Perhaps another type of programmer would ignore the bit ?. I think you need to do a bulk erase on the chip and then you'll be able to re-program it. I don't know how to do this on the PS+ but it's easy with a MPLAB-ICD. Brian Gregory. briang@cix.co.uk