The Datasheet says it only works from 0 to 70 degrees Celsius:
http://www.st.com/stonline/products/literature/ds/4557/m48t86.pdf
did you freeze it?
-Curtis.
On August 30, 2006 06:14 pm, Tom Hansen wrote:
>
> --- In "David L. Martin" <> wrote:
> >
> > Same thing just happened to me (RTC was installed at the factory, but
> > never functioned). I sent it back.
>
> Our RTC definitely worked before, but then it went bad, but only after
> the TS board was subjected to some adverse environmental conditions.
> My main observation is that everything else on the board seems OK, why
> only the RTC? And if only the RTC, maybe it's just in a wrong state
> and not physically damaged.
>
> -Tom
>
>
>
>
>
>
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