Hi A lot depends on just what you worry about. Most clock specs for serial com are in the 0.01 to 0.1% range.
Bob On Jul 2, 2010, at 9:02 PM, Chuck Harris wrote: > The PIC's internal silicon clock is better than 1% over the entire industrial > voltage and temperature range. They are accurate enough. > > -Chuck Harris > > Bob Camp wrote: >> Hi >> >> I believe he's using the internal clock on the PIC. It's not super accurate, >> so running a lot of data can be an issue. >> >> Bob >> >> -----Original Message----- >> From: [email protected] [mailto:[email protected]] On >> Behalf Of Stanley Reynolds >> Sent: Friday, July 02, 2010 3:41 PM >> To: [email protected] >> Subject: [time-nuts] Pictic II mods >> >> Looking at Richard's code in PICTICII.ASM : >> >> bsf TXSTA,BRGH ;set USART hi speed mode >> movlw D'51' ;set async rate at 9600 baud (51. for >> 8 >> MHz int, BRGH=1) >> movwf SPBRG >> >> Then '25' would be 19,200 baud >> and '12' would be 38,400 baud >> >> Need to test this but could be a way to get more data out. >> >> Stanley > > _______________________________________________ > time-nuts mailing list -- [email protected] > To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > and follow the instructions there. > _______________________________________________ time-nuts mailing list -- [email protected] To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.
