You'd still need a micropower reference though, you couldn't use Vcc as a
reference!

I mentioned on the list a while back that TI have a new range of ultra low
power uP supervisors, 220nA typical power consumption, maybe possible to use
one as a low battery detector?  Part number is TPS383x (x being the voltage
variants...)
Regards
Mike


> -----Original Message-----
> From: Simon Nield [SMTP:simon.nield@QUANTEL.COM]
> Sent: Wednesday, November 29, 2000 2:05 PM
> To:   PICLIST@MITVMA.MIT.EDU
> Subject:      Re: [PIC]: Low Battery Sensing
>
> if the pic you are using has an adc you could use that.
>
> regards,
> Simon
>
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