At 11:21 AM 6/29/02 -0500, Richard Mellina wrote: >I am new to PICs and I emailing concerning the reliability of the 16F628's >internal oscillator. Is it reliable enough to time the USART or am I crazy >to even think about it? Not quite close enough to be reliable. You might get away with it if your supply voltage and temperature are constant but all bets are off if those vary widely. Bottom line: *I* won't rely upon the internal oscillator for async serial comms. Spend the 30 cents and add a ceramic resonator. dwayne -- Dwayne Reid Trinity Electronics Systems Ltd Edmonton, AB, CANADA (780) 489-3199 voice (780) 487-6397 fax Celebrating 18 years of Engineering Innovation (1984 - 2002) .-. .-. .-. .-. .-. .-. .-. .-. .-. .- `-' `-' `-' `-' `-' `-' `-' `-' `-' Do NOT send unsolicited commercial email to this email address. This message neither grants consent to receive unsolicited commercial email nor is intended to solicit commercial email. -- http://www.piclist.com#nomail Going offline? Don't AutoReply us! email listserv@mitvma.mit.edu with SET PICList DIGEST in the body