> And, this may just be semantics (and I'm sure > I'll get corrected if I'm wrong), but the PIC UART isn't RS232. It's > TTL. Once you add a convertor circuit, it then becomes RS232. That is correct. The PIC lines are also inverted from the RS-232. The RS-232 idle state is low (< -5V) and the PIC lines idle state is high. ***************************************************************** 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