Hi all Is it possible that 16F84 will work without a crystal, and only with a resistor and a capacitor clocking the OSC1 with OCS2 disconnected? I found a design that use this method - can it be? Tal -- http://www.piclist.com hint: PICList Posts must start with ONE topic: [PIC]:,[SX]:,[AVR]: ->uP ONLY! [EE]:,[OT]: ->Other [BUY]:,[AD]: ->Ads