Jesse Lackey wrote:
>>> Now reading the absolute max ratings, of course, you can't do
>>> either of these things.  Any pin except A4/MCLR is Vdd+0.3V max; A4
>>> is 8.5V max.
>>
>> So what's the question on RA4?  Do you think "absolute maximum" is
>> ambiguous or somehow doesn't apply to you?
>
> Hi Olin, RA4 doesn't have an input protect diode to Vdd so the spec
> for it differs from all the other pins.

Absolute maximum is still just that no matter how it's implemented.  I can't
imagine why you think it's OK to violate the absolute maximum spec of 8.5V
because the pin doesn't have a protection diode to Vdd.


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