Stewart Pye wrote: > I'm testing a project that uses a 16C74A. I've used the 16F84 quite a bit > but this is my first try using the 16C74 with a HS osc at 16Mhz. Stewart - - Download DS30390E from Microchip's site: http://www.microchip.com/10/Lit/PICmicro/16C7X/index.htm It's got ALL the answers. Have fun, - - - Nick - - -