> You mean besides pressing the "Reset" button or power cycling > the chip ? Yes, the cause for the question is from the datasheet (section 6.3.1) where it states that when the prescaler is switched from TIMER0 to WDT the given example must be used to avoid unintended device reset. I was wondering if there are any others waiting for me not in the datasheet Anthony -- http://www.piclist.com hint: The list server can filter out subtopics (like ads or off topics) for you. See http://www.piclist.com/#topics