cdb wrote: > I don't have it to hand at the moment, but I do recall uChip produced > a low power consumption application note that required all unused pins > to be tied to a supply node, and IIRC correctly, there was a power > consumption difference between tying high and tying low, don't think > resistors were mentioned though. Inputs definitely need to be held full high or full low for minimum power. A CMOS input stage draws supply current when its input is not solidly high or low. ******************************************************************** Embed Inc, Littleton Massachusetts, http://www.embedinc.com/products (978) 742-9014. Gold level PIC consultants since 2000. -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist