> I figure it should be fine without since the pic shouldn't let me > put both devices in output state In microprocessor mode series buss resistors aren't necessary because you have control of /OE. In microcontroller mode they aren't necessary because you *should* have control of /OE. You could put a pullup on it though in case RJ1 floats for some reason -- http://www.piclist.com hint: PICList Posts must start with ONE topic: [PIC]:,[SX]:,[AVR]: ->uP ONLY! [EE]:,[OT]: ->Other [BUY]:,[AD]: ->Ads