Hello, On Mon, 2003-11-10 at 15:57, Michael J. Pawlowsky wrote: > I take it you are running at 5V.? > Your 5 volts should be 1023. Yes... That's what I was hoping to see. > Vss reference is sent to ground? > Are you using Vref? I'm using Vdd for the high reference... I couldn't find an option to use Vss for ground. The instructions in the 676 data sheet for the A/D are completely different than those in chapter 23 of the midrange reference manual, shuffling stuff between ADCON0 and 1, and introducing ANSEL. As such, I'm sure there is something I'm missing. > Did you look at the voltages of these pins to make sure everything is > as should be? Yes, it all checked out. Thanks for your response. Sean -- Sean A. Walberg http://www.ertw.com -- http://www.piclist.com hint: The PICList is archived three different ways. See http://www.piclist.com/#archives for details.