Interesting that if I change the voltage on the source to 3.3, everything works fine off PortB It doesnt quit make sense yet, but sometimes you just need to fix it and move to the next issue but I would like to go back and really figure this one out. _________________________________________________________________ Click, drag and drop. My MSN is the simple way to design your homepage. http://click.atdmt.com/AVE/go/onm00200364ave/direct/01/ -- http://www.piclist.com hint: To leave the PICList mailto:piclist-unsubscribe-request@mitvma.mit.edu