Hi,
I have read a good summary on this list showing which PIC's can be erased
after code protection and which can not. It depends actually on the
location of the CP bit on the die.

Regards,
Imre


On Sat, 11 Mar 2000, Rene Chauvet wrote:

> I don't agree I've protected (acidently) my 508 JW several time and
> erased/reprogramed it it just take about 45min to erase it (including the
> protect bit)
>
> ----- Original Message -----
> From: "Spehro Pefhany" <speff@INTERLOG.COM>
> To: <PICLIST@MITVMA.MIT.EDU>
> Sent: Saturday, March 11, 2000 3:39 AM
> Subject: Re: JP/ Code protect
>
>
> > At 12:32 PM 3/11/00 +0100, you wrote:
> > >I have heard that a /JW pic is destroyed if it is programmed with code
> > >protect. (That it is no longer possible to erease it with UV ligt and
> > >program it) Is this correct?
> > >
> > Half correct. It's still possible to erase it (except for the protect
> > bit), but not to re-program it.
> >
> > 8-(
> >
> >
> >
> =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
> =
> > Spehro Pefhany                                    "The Journey is the
> reward"
> > speff@interlog.com
> > Fax:(905) 271-9838                      (small micro system devt hw/sw +
> mfg)
> >
> =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
> =
>
>