Perhaps the solution is to use a single chip microprocessor with a high resolution temperature sensor to emulate the DS1620 ?
WB6BNQ wrote: > Ulrich, > > The problem is the software structure is different for the DS18S20. So the > Tbolt > would not know what to do with it. > > Bill....WB6BNQ > > > Ulrich Bangert wrote: > > >> Mark, >> >> in this case the DS1620 may perhaps be exchanged against a DS18S20 which >> definitely supports the high res reading. Bought chips & programmed for >> them at the end of last year. >> >> Best regards >> Ulrich Bangert >> >> >>> -----Ursprüngliche Nachricht----- >>> Von: time-nuts-boun...@febo.com >>> [mailto:time-nuts-boun...@febo.com] Im Auftrag von Mark Sims >>> Gesendet: Samstag, 7. Februar 2009 05:02 >>> An: time-nuts@febo.com >>> Betreff: [time-nuts] Tbolt temperature sensor >>> >>> >>> >>> I got some info back from Maxim on the DS1620. The rev D >>> chips use the dual oscillator design described in the data >>> sheet. The rev E chips are based on a temperature >>> compensated bandgap design. >>> >>> The high resolution read routine is based upon reading >>> counter values and residuals... it's beginning to look like >>> the newer chips don't do it... I've got more questions to >>> ask Maxim... >>> _________________________________________________________________ >>> Windows Live™: Keep your life in sync. >>> http://windowslive.com/explore?ocid=TXT_TAGLM_WL_t1_allup_expl >>> >> ore_022009 >> _______________________________________________ >> time-nuts mailing list -- time-nuts@febo.com >> To unsubscribe, go to >> https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts >> and follow the instructions there. >> >> _______________________________________________ >> time-nuts mailing list -- time-nuts@febo.com >> To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts >> and follow the instructions there. >> > > > _______________________________________________ > time-nuts mailing list -- time-nuts@febo.com > To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > and follow the instructions there. > > _______________________________________________ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.