On Fri, May 27, 2005 at 11:45:26AM +0100, Alan B. Pearce wrote:
> >> >Internal pullup and jumpers to gnd.
> >> 
> >> However this technique does not usually result in a "low 
> >> power processor because of the way the internal pullups
> >> work.
> >
> >Only turn on wpu while checking the pin ?
> 
> Yeah, someone else pointed that out too.

But then don't you have a floating input if the jumper's not in place?
That'll probably eat up more current than the weak pullup.

Chris
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