Hi Scott, I wrote: > For now, replace the line of code above with: > TXREG = Data; //Send Data > Remove the following from your ISR: > TXREG = Data; //Send Data Disregard the above advice from my previous post -- I forgot you wanted to use the ISR for transmitting data. Sorry about that. My other advice still holds, however. Hope you get things working. Best regards, Ken Pergola -- http://www.piclist.com#nomail Going offline? Don't AutoReply us! email listserv@mitvma.mit.edu with SET PICList DIGEST in the body