> It may be a die problem (these *were* early adopter samples); it may be an
> ESD problem; it may be an operator stupidity problem.  At this point, I
have
> no problem throwing these two chips away.  But I would really like to know
> the cause.  Any ideas?

Check the errata sheet (more like a book) for the early versions of the
18F452.  I don't remember if this symptom was listed, but I do remember some
bugs were so major that I couldn't use any pre-released chips for a
particular project.


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