I was under the impression that you can still reflash the chip, but you
have to erase it all first, so you cannot have your own built in
bootloader, just use the programming pins.

Martin

> Hello to all.  I require help to try and survive a horrible blunder by
> Microchip.
>
> On the F87X flash series, Microschip seemed to adopt a miserable philosophy
> with regard to the copy protection on this chip.
>
> If I leave the chip flash writeable, so I can update my code with my own
> bootloader program, the code must remain naked so that anyone can drop the
> chip in a programmer and read its contents.
>
> If I code protect the chip, it becomes non-flashable.
>
> Now, for the scheduled A revision of this chip, they have fixed the code
> protect to disable internal reads and external reads, but still allow
> overwriting existing flash rom, so the problem is solved.  But until then
> (say 8-12 months away) we are stuck with flash that is naked, or code
> protected flash that becomes OTP.
>
> What has anyone done about this???
>

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