Jep, as I thought, you wanted a HASH algorithm. Just use a 4-tap LFSR (I
would recommend a Galois, for speed and simplicity), modify it to your
needs. Some valid tap positions are *63*, 3, 2, 0.

I can provide you with some PIC16 code if you can't figure it out yourself.

Mark

On 1/30/06, Jinx <joecolquitt@clear.net.nz> wrote:
>
>
> > Why is there no spec for "Time from interrupt to SLEEP mode
> > exit"?! (Or maybe there is and I haven't seen it...)
>
> Look in Section 3.2.4 (and elsewhere) of the Mid-Range Reference
> Manual (2.64MB)
>
> http://ww1.microchip.com/downloads/en/DeviceDoc/33023a.pdf
>
> I'm pretty sure that there is no start-up delay with IntRC
>
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