> Having made sure to set the I/O pins of a 12F683 to
> the digital configuration; I then proceeded to wrestle with strange
> yet reproducible I/O problems for a few hours.
>
> I glanced at the data sheet and suddenly noticed the term 'comparator'
> seeming to glow on the page. Crap... forgot one.
>
> I am now curious as to why the PICs analog capable pins generally power u=
p
> configured in the analog function. Any ideas?
>
> Jamie

If a pin is configured as digital, but has an analog voltage on it (ie: a=20
voltage not near one of the supply rails) then excess 'shoot through=20
current' could be consumed by the input gate on the chip.

-- Bob Ammerman
RAm  Systems

--=20
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