Fred wish I could help, but I have CCP1 set up to give me a PWM output to control a motor. Sorry I don't think I can help you. My thanks to Bob Ammerman, I shall start 'playing' in the morning. Regards Graham North _________________________________________________________________________ Get Your Private, Free E-mail from MSN Hotmail at http://www.hotmail.com. -- http://www.piclist.com#nomail Going offline? Don't AutoReply us! email listserv@mitvma.mit.edu with SET PICList DIGEST in the body