> Does anybody have experiences to share about overclocking
> 40MHz-rated PIC18F parts to about 44.5MHz?
> I need the PIC to be perfectly in sync with some peripherals
> which must run at an integer fraction of the mentioned MHz.
>
> Is there an ~official test somewhere to test the core for
> reliability? (e.g. there are lotsa x86 utilities of this kind)
>
> What is the best voltage to achieve most stable overclocking?
> My guess is 5.5V but maybe I'm applying too much x86 physics
> here.

You'll have to write your own tests, I'm afraid.

Connectix made thousands of Quickcams with 20MHz PICs overclocked to
24MHz, so don't let anyone tell you it is something serious people would
never do.

You might want to test PLL oscillator, eeprom read and write, and A/D
first, those would be the things I would guess to be the biggest problem.

Test at different temperatures, compare startup times, etc.

Then make a web page with your results!

Cheerful regards,

Bob

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