Yes, Bob, your explanation makes good hind-sight sense. I'll get this thing working one day - and hope to learn more and more in the process. Man, you sure do work late! Thanks, Jess -----Original Message----- From: Bob Ammerman To: PICLIST@MITVMA.MIT.EDU Date: Sunday, March 04, 2001 10:37 PM Subject: Re: [PIC]: 12c671 - GPIO vs TRIS Reg -- http://www.piclist.com hint: The list server can filter out subtopics (like ads or off topics) for you. See http://www.piclist.com/#topics