> Does anyone know the maximum rise and fall times that are safe to use > for the INT pin on a PIC17C756A running at 16MHz? The RB0 input has a schmitt trigger, so the maximum valid rise and fall times are inifinite. ******************************************************************** Olin Lathrop, embedded systems consultant in Littleton Massachusetts (978) 742-9014, olin@embedinc.com, http://www.embedinc.com -- http://www.piclist.com#nomail Going offline? Don't AutoReply us! email listserv@mitvma.mit.edu with SET PICList DIGEST in the body