I have had 18F252 and 18F452 running at about 58Mhz internaly and had no
problem at all with them.   You have to adjust timing and set registers a
bit different but I found no reliability problems with short term use.  Not
done any long term use though.

----- Original Message -----
From: "Stefano" <mlcoll2@NIETZSCHE.MIT.EDU>
To: <PICLIST@MITVMA.MIT.EDU>
Sent: Saturday, October 26, 2002 9:27 PM
Subject: Re: [PIC]: overclocking PIC18Fxx2


> I was able to select some 18F252s running at 48MHz.
> The 18FXX20 have BIG problems above 32MHz.
>
> SC
>
>
> > Hi piclisters,
> >
> > Please don't start the answer to my question with remarks like:
> > "read the datasheet" or "overclocking is not allowed" ;)
> >
> > I just want to now if someone has tried to overclock a little the
> > 18F in HS/PLL mode, and which was the shortest clock instruction cycle
> > achieved.
> >
> > thx,
> > Vasile
> > http://www.geocities.com/vsurducan
> >
> > --
> > http://www.piclist.com hint: To leave the PICList
> > mailto:piclist-unsubscribe-request@mitvma.mit.edu
> >
> >
>
> --
> http://www.piclist.com hint: The PICList is archived three different
> ways.  See http://www.piclist.com/#archives for details.
>
>
>

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