Jamie Lawson wrote 2011-09-04 04:00:
> Hi,
>
> 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...

Probably better to actualy *read* the datasheet.

> 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?
>

If you have a analog signal connected, analog mode is the best
startup mode.

If you have a digital signal connected, analog mode doen't do
any harm.

And besides, this is a complete non-issue of course.

What did you thought the grey box labeled "Note:" on the
"GPIO PORT" page actualy was trying to tell you ??

"The ANSEL and CMCON0 registers must be initialized to
configure an analog channel as a digital input.
Pins configured as analog inputs will read =910=92."



> Jamie
--=20
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