> Hi,
>
> I do not understand exactly your problem. You wrote
>
> On Mon, 19 Jul 1999, fernteix wrote:
>
> > The outputs are remote controled by 6 bits of portA or by local buttons
> 3
> > bits of PORTE.
>
> and latter
> >
> > PortA can be used as a 6 bit input port? Any problem with A4 ?
>
> Is not a contradiction here?
>
> Imre
>
>
I think what he is saying is that Port A is used as inputs from remote
switches etc, whereas Port E is used as inputs from local switches.

There should be no problem with using A4 as an input.  The only problem this
particular pin causes is when using it as an output trying to source
current.

Regards

Mike Rigby-Jones