> Actually, if the pin is not being used, it's internal pull up should > be enabled to prevent accidental noise, or power draw. To the best of my knowledge only PortB has internal pull-ups and no PortB pins have analogue functions. I'm pretty sure a design consideration for PortB was to read a keyboard matrix (pull-ups, interrupt on change, INT) -- http://www.piclist.com hint: To leave the PICList mailto:piclist-unsubscribe-request@mitvma.mit.edu