So, just curious.... The percentage off related to the baud rate, means it would be hard pressed to communicate with a device running the standard baud rate. What about two PICs talking over serial....at that point if they are both off by the same percentage, then it really shouldnt matter? __________________________________________________ Do You Yahoo!? Tired of spam? Yahoo! Mail has the best spam protection around http://mail.yahoo.com -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist