Thanks Bob and Jinx for your input as well.

I'm glad I asked the question.

Regards,   Roger



From: "Bob Blick" <bobblick@ftml.net>


>I have one thing to add. RA4 is open collector when used as an output. I
> am sure one could debate about what is acceptable. But I usually tie it
> to ground if I'm not using it and don't want to waste a resistor on it.
> 
> Cheerful regards,
> 
> Bob


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