> Michael Lee wrote: > Does anyone know of any potential problems in running a PIC12c5XX with > VDD=GND and VSS=-5V? > I would especially like to hear from someone who has done this. > Regards > Mick You could run it on a supply of -200V to -205V, or +205V to 200V and it will work (providing it is regulated DC), it's what you are going to interface to that makes for an interesting smoke test. Don McKenzie mailto:don@dontronics.com http://www.dontronics.com Don's Download Dungeon: http://www.dontronics.com/download.html Australian Electronics Ring http://www.dontronics.com/aering.html Win $500USD Cash. Micro design contest: http://www.simmstick.com