> I think you are asking whether you can get away with always > using Vdd before Vpp. This sounds like a very bad idea to me. I agree that it is contray to the 12Fxxx programming spec. But I would ill be interested in experience where it actually failed. Wouter van Ooijen -- ------------------------------------------- Van Ooijen Technische Informatica: www.voti.nl consultancy, development, PICmicro products -- http://www.piclist.com hint: To leave the PICList mailto:piclist-unsubscribe-request@mitvma.mit.edu