Hi. I'v been developing an app using the 18F1220/1320 for some time. I'm running at 8Mhz using INTOSC. Even if I havn't seen anything suspicious yet, I still think I'll take a second look at the "older" 18-series chips... Damn, the 1220/1320 looked so good... Jan-Erik. -- http://www.piclist.com hint: The PICList is archived three different ways. See http://www.piclist.com/#archives for details.