So....not to get off topic but back to topic... Ignoring for the moment the discussion about the UARTs that has gone on... I take it that the internal oscillators that Mchip has internal are just as good as putting an external crystal and associated parts. __________________________________ Do you Yahoo!? Yahoo! Mail - You care about security. So do we. http://promotions.yahoo.com/new_mail -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist