Brian Clewer wrote: > 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 :-( You couldn't have been looking very hard. See page 97, section 10.1 "USART Baud Rate Generator" of DS30292C "PIC16F87x Data Sheet". This clearly shows how the baud rate is derived, and their associated register settings? What specifically don't you understand on this page? ***************************************************************** Embed Inc, embedded system specialists in Littleton Massachusetts (978) 742-9014, http://www.embedinc.com -- http://www.piclist.com hint: The PICList is archived three different ways. See http://www.piclist.com/#archives for details.