> are you sure? How could I manipulate the start/stop bits? You don't. Use the USART in synchronous mode. You write a byte at a time and it shifts out each bit in sequence with no start bits, stop bits, or anything else between bytes. ***************************************************************** Embed Inc, embedded system specialists in Littleton Massachusetts (978) 742-9014, 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