Adam Davis wrote: > >However, as far as your question goes- I believe the impedance of a pin on the >PIC is high enough that you could hook 8 largish caps up to eight pins, and >charge or discharge them before turning the PIC off. Run some tests, and report >your results. > I think if you do this, the PIC will remain powered via the sneak paths thru its internal pullup clamping diodes. Otherwise, the input impedances are quite high. -- http://www.piclist.com hint: PICList Posts must start with ONE topic: "[PIC]:","[SX]:","[AVR]:" =uP ONLY! "[EE]:","[OT]:" =Other "[BUY]:","[AD]:" =Ads