> Huh. I never noticed that the PICs RA4 had that sort of > capability. > Is 8.5V actually USEFUL in that regard? The good old 16C84 could handle 16V, which made it usefull to switch Vpp of a target chip... No, 8.5V is not very usefull. Wouter van Ooijen -- ------------------------------------------- Van Ooijen Technische Informatica: www.voti.nl consultancy, development, PICmicro products docent Hogeschool van Utrecht: www.voti.nl/hvu -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist