Please don't top post, it confuses the flow.  ;-)

mr. gizmo wrote:
>Tony wrote:
>> The code protect on C84 occupies bit 4, on F84(A) code protect
>> occupies bit 13 down to bit 4.
>>
>> The only other difference if the PWRTE - (C) (PWTREN - (F)) bit,
>> which is reversed.

> Could not reversing this bit cause the chip to fry?

It might not start the oscillator and run your program correctly, but I
can't see how that could "fry" the chip.  Have you tried just doing an
erase of the chip, that should always work AFAIK?  I saw your program
listing but I can't tell what you have in your configuration bits, this
is important to know.  Post the actual source code that you are
compiling, or did you just download a HEX file and burn it into the
chip?

You didn't make any other changes between your computer and your
programmer did you?  Like maybe using a different cable now or a
different power supply for it?

michael brown

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