On Oct 15, 2006, at 3:26 PM, Bob Axtell wrote: > You don't need a special character sent if you keep measuring > until you find the SMALLEST width, that will be a single bit width. Not all characters end up having either a zero or one that is only a single bit width wide. IIRC, a string of capital "U" characters is nearly a perfect square wave (with f = 1/5 bitrate?) (this caused some interesting problems with some of the early high-speed modems; they'd lose sync...) > It would therefore always respond with the correct baud rate. The prompt I was talking about appeared before there was ANY user input... BillW -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist