Olin Lathrop wrote:
>
> > My question is: how to generate a "truly" random number on the application
> > of power. The number should not be determined upon the compilation of the
> > software, but should be upon the initial powerup of the chip. (Or, it
> should
> > be determine by each individual chip.)
>
> Sounds like you DON'T want a random number, but rather a predetermined
> staggered startup delay.  With truly random numbers there is a finite
> probability that all boards will power up within some interval that will
> overload the power supply.

You could "daisy chain" all the modules using
one PIC pin on each module and two series
resistors, with a standard delay in each module
propagated down the chain.

Costs one PIC pin and two terminals per module.
And gives the higest level performance for
the task in question.
-Roman

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