On 5/26/05, Dave Turner <dave.w.turner@gmail.com> wrote:
> As for using jumpers for configuration, You would need some sort of
> system to connect the pin to either ground or 5V, depending on the
> jumper status.  I'm not sure if the pin reads high or low when just
> disconnected.

For minimum parts cound, enable the "weak pull-up" option and use
jumpers shorting to ground.   That costs an extra 50-400 uA per pin
grounded.  To save current, you could turn on the weak pull up before
you read the jumpers and back off afterwards.

Regards,
Mark
markrages@gmail
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