> >The main question I have is, the PIC documentation has lots of tables giving >crystal speeds and some form of constant (I don't have the book in front of me) >that gives a baudrate with a bit of error, the errors vary from 0% to several >percent. How much can I get away with? I'd like to run the PIC as fast as >possible as it is also going to be controlling a VFD and some buttons. Figure the other guy gets at least half the error budget. Otherwise, pick a crystal like 14.765 MHz that's an even baud rate divisor. -- http://www.piclist.com hint: The PICList is archived three different ways. See http://www.piclist.com/#archives for details.