Hi all, I am still trying to get this timer code working. Thanks to those that helped last time. I have gone over the datasheet again, but still don't understand how the three bits PS0:PS2 set the prescaler value. Could someone please explain this too me? Thanks for any help regards James Fitzsimons -- http://www.piclist.com hint: The PICList is archived three different ways. See http://www.piclist.com/#archives for details.