[time-nuts] Tbolt temperature sensor

[WB6BNQ]

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-bounces at febo.com
> > [mailto:time-nuts-bounces at febo.com] Im Auftrag von Mark Sims
> > Gesendet: Samstag, 7. Februar 2009 05:02
> > An: time-nuts at 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
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