In a message dated 97-12-07 13:01:59 EST, you write: << In almost all ways, the 16F84 is identical to the 16C84, about the only real difference from a programming point of view is the the power up timer bit is reversed, aside from that there are only good things, most notably it has twice the amount of RAM, a really good thing. TTYL >> The Code protect bit is also reversed! Dave Duley