> Is anybody able to tell me what the maximum baudrate is for the > 16F8XX using the internal usart? Before you ask I have looked > in the manual and not been able to find anything :-( Table 12-3 has lots of anything in it ;-) (even though I wish they'd stop using those flipping odd crystal values with all the associated errors) At 19.660800MHz 0 = (19660800 / X / 16) -1 X = 1 228 800 baud asynch IF you chance overclocking to 20.48 -> 1 280 000 baud -- http://www.piclist.com hint: The PICList is archived three different ways. See http://www.piclist.com/#archives for details.