Hello Everyone, I have a quick question about the ID bits on a PIC16C84. I thought you could read the ID bits during program execution at 2000h-2003h. My data book seems to idicate this can only be read during programing. Is this correct? Thanks, Ben Ben Wirz For Microchip PIC Products including the Simm Stick development system and the Easy PIC'n Book, as well Wirz Electronics as Motor Control, Polaroid Sonar Units, and more blw2@cec.wustl.edu Hobbyist Robotic & Electronic Supplies, visit: http://cec.wustl.edu/~blw2/