On 25/11/2010 9:29 AM, Michael Watterson wrote: > A resonator is inadequate for a UART. Some are barely better than > precision R C. You should be using a crystal. All I can say is that your experience is different to mine in this regard. David... --=20 ___________________________________________ David Duffy Audio Visual Devices P/L Unit 8, 10 Hook St, Capalaba 4157 Australia Ph: +61 7 38235717 Fax: +61 7 38234717 Our Web Site: www.audiovisualdevices.com.au ___________________________________________ --=20 http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .