IVP wrote 2012-01-05 23:18:
> Or change it to _MCLR_OFF. This disconnects the pin from the
> internal reset circuitry and allows use of the pin as GP3
>

Whithout knowing (or remembering :-) ) that he has a programmer
capable of re-progremming a PIC with internal MCLR on, it might
be a better advice to simply add a 10k resistor to the MCLR pin.

IVP (did not) wrote 2012-01-05 23:18:
>> Is there anything I can add to protect the chip from unwanted negative
>> voltage?
>

The first thing is to make sure you never have any negative
voltages at the PIC pins !
--=20
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