James Salter wrote: ....... >Yes, I already printed out and perused the 62X data sheet. Sure, it is a masterpiece of succinctness, all 158 luscious pages of it, but it is hard to penetrate, hard to get straight answers. That is, it is not written in an introductory style. > James, if you check, you will find that the peripherals present in the '628 are mostly identical/similar to those present in the '73/'74/'76/'877, and you should be able to find plenty of info about those chips. -- http://www.piclist.com hint: The PICList is archived three different ways. See http://www.piclist.com/#archives for details.