> I found the reference to this in the datasheet -- DS30221B, pg 102,
> section
> 11.18.  Says "Note 1:  The High Voltage Programming mode is always
> available, regardless of the state of the LVP bit, by applying Vihh to
> the !MCLR pin."

You should look at the programming spec for these kinds of details.  I
have personally seen some PICs act flaky when LVP was high, even though
PGM was properly pulled high to Vpp.  If I remember right, some
programming specs tell you that LVP should be low, others don't mention it
specifically.


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