At 09:44 25/05/98 -0600, you wrote: >Tjaart van der Walt wrote: >> 1.8432MHz > 2.4576MHz ... Any more? >> 3.6864MHz >> 11.0592MHz > >> You can get all the standard baud rates with these crystals. >> >> I can't remember the other frequencies, but I'm sure someone would >> add to this message. 7.3728 9.2160 etc (I'm using these 2) Basically if it's correct (0% error) for 1.8432MHz (or for a lower Xtal frequency) then (because the baud rate divisor is a power of 2) then take any multiple you like! (Except I get 2.7648 instead of the above 3.4576) The above is for BRGH=0, modify accordingly (factor of 16) for BRGH=1 (or whatever). Regards Adrian WWW WWW Adrian Gothard WWW WW WWW White Horse Design WWWWWWWWWW +44-385-970009 (Mobile/SMS), +44-118-962-8913/4 (voice/fax) WWWW WWWW whd@zetnet.co.uk, http://www.users.zetnet.co.uk/whd --- Developers of GPS satellite-based tracking systems