Has a list of PICs ever been compiled, indicating those with open collector RA4 pins? I have read that some PICs have this feature while others do not. It would be nice to know at a glance, rather than filter through each datasheet. Thanks Matt -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist