>I'm driving a serial port, running the A/D and doing >other stuff I really don't want interrupted on my PIC. Don't want interrupts? Poll T0IF then. Andy ================================================================== Andy Kunz Life is what we do to prepare for Eternity ------------------------------------------------------------------ andy@rc-hydros.com http://www.rc-hydros.com - Race Boats andy@montanadesign.com http://www.montanadesign.com - Electronics ==================================================================