> Using 16F872, Port A is setup as all outputs, and all digital, but > when I write 0xFF to Port A, RA<4> does not come go high. RA4 has an open drain output driver. ***************************************************************** Embed Inc, embedded system specialists in Littleton Massachusetts (978) 742-9014, http://www.embedinc.com -- http://www.piclist.com hint: To leave the PICList mailto:piclist-unsubscribe-request@mitvma.mit.edu