Hi,
what do you mean with 'erase'? 16F84 is simply to reprogram, and not to
erase before. Erasing is done automatically before programming. CP bit
does not matter (in principle).

Imre

On Thu, 15 Jul 1999, MacBrick (Ronald Leenes) wrote:

> Hi,
>
> I have some 7 16F84's that I can not erase. It may be that I've
> programmed them with code protection on. I know this was discussed
> before, but I lost my archive.
> Can anyone briefly explain if setting cp on on a 16F84 makes it
> unerasable.
> Is there any way to use my 7 chips again?
>
> Ronald
>
>