Hi Lucian, Retraction of my last post! Scratch what I said. The problem was I made a mistake -- sorry to add to confusion. RCIF and TXIF are both read-only bits. RCIF is cleared when you read RCREG of course. Regards, Ken Pergola -- http://www.piclist.com hint: PICList Posts must start with ONE topic: [PIC]:,[SX]:,[AVR]: ->uP ONLY! [EE]:,[OT]: ->Other [BUY]:,[AD]: ->Ads