Aubrey McIntosh, Ph.D. said: > last 100H words of memory, but other documents say that it uses the > addresses at 1F00-1FFF. Guess what? I programmed code at 1F00-1FFF, > read back code from 0000-1FFF, and I get that code back, without > aliasing. I interpret this to mean that the 16F874 does have 100H words > at 1F00-1FFF. Now that is interesting. So program memory is not sacrificed when using ICD on the smaller parts. I'll stay tuned to this thread. Thanks, Bob -- http://www.piclist.com hint: PICList Posts must start with ONE topic: [PIC]:,[SX]:,[AVR]: ->uP ONLY! [EE]:,[OT]: ->Other [BUY]:,[AD]: ->Ads