On Wed, 15 Apr 1998, Andrew Warren wrote:
> Bob Blick <PICLIST@MITVMA.MIT.EDU> wrote:
> > I'm using a 16C74A with two analog inputs. ADCON1 is set 04h, so I
> > actually have three analog inputs. Is it OK to use the extra analog
> > pin as an output, as long as I set TRISA accordingly?
>
> Bob:
>
> Yes, it's ok... Just remember that the PORTx bit corresponding to
> that pin will always read "0", so read-modify-write instructions to
> that port (including "BSF" and "BCF" instructions) will make that
> pin pull low.

Good point. I imagine a BSF or BCF on that pin would be OK, but not on any
other pin on that port. I'll juggle them around so the rest will be
inputs. Thanks again!

-Bob