rleggitt@concentric.net wrote: > Hi all, what's the difference between 16C74B in reset vs. sleep? I > just wrote this terribly complicated program: > > org 0 > sleep > end > > I measure about 560 uA (total circuit power) in reset and about 480 uA > when not in reset. Any explanation? Rich: To achieve the lowest current consumption with that program, all I/O pins must be pulled high or low, and the watchdog timer must be disabled. Are those the conditions under which you performed your testing? -Andy === Andrew Warren - fastfwd@ix.netcom.com === Fast Forward Engineering - San Diego, California === http://www.geocities.com/SiliconValley/2499