> > What's the real difference between PIC16F84 and PIC16F84A or 12C508 > > and 12C508A. What means the letter "A" in the end?? > 2. AFAIK no much diff between the 12c509's All I could find was that the oscillator trim register OSCCAL has more bits in the A parts: 6 versus 4. /\/\/\/*=Martin -- http://www.piclist.com#nomail Going offline? Don't AutoReply us! email listserv@mitvma.mit.edu with SET PICList DIGEST in the body