Graham North wrote: > > I am wanting to use an RC oscillator on a 16F84 circuit. > > Can anyone tell me what values to use (R and C) for an approx 4 MHz clock. 4K7 (That's 4.7K) and 22pf for ~4Mhz Don McKenzie mailto:don@dontronics.com http://www.dontronics.com Don's Download Dungeon: http://www.dontronics.com/download.html World's Largest Range of Atmel and PICmicro Hardware and Software