Yeah, oops. Although I just tried switching it to the crystal oscillator since there's a 20MHz crystal on the dev board and still no luck. Jim On Thu, Mar 3, 2011 at 10:37 AM, Olin Lathrop wr= ote: > alan.b.pearce@stfc.ac.uk wrote: > > I don't think the 16F876A has an internal RC oscillator. If that is > > the case, then the addition of a suitable R & C to the appropriate > > pins will probably make it spring into life. > > I thought the internal oscillator was one of the things that was added fr= om > the 16F87x to the 16F87xA, but I just checked and you're right (too many > PICs to keep in your head). These PICs all require something external to > get the CPU clock going. > > > ******************************************************************** > Embed Inc, Littleton Massachusetts, http://www.embedinc.com/products > (978) 742-9014. Gold level PIC consultants since 2000. > -- > http://www.piclist.com PIC/SX FAQ & list archive > View/change your membership options at > http://mailman.mit.edu/mailman/listinfo/piclist > --=20 http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .