On Thu, 22 Aug 2002, Brendan Moran wrote: >I had a thought on this. It should be possible to multiplex Vdd with >MCLR. A diode/capacitor combination on-chip could keep the processor >powered up for very short periods of time while MCLR was asserted. Then a two pin PIC would be enough, the capacitor could be internal. After all they make RTCC chips with a crystal and battery inside so why not. Peter -- http://www.piclist.com hint: The PICList is archived three different ways. See http://www.piclist.com/#archives for details.