Brendan Moran <PICLIST@mitvma.mit.edu> wrote:

> Determine the time it takes for the processor to be garaunteed to
> have all its volatile RAM fail.  Program a one-shot to that length
> of time.  Attach an edge triggered one-shot to the processor's
> power pins.  Then, have the processor trigger the one-shot, which
> will force it to power down, and stay off until all its RAM is
> gone.
>
> I admit it's a little short of trap doors, and before you sneer at
> me, consider the possibilities a bit.  If it takes less time for
> this than the large volume of instruction cycles to clear all the
> RAM, then it should be worth it, right?

    Well, no... Not necessarily.  Length of time from power
    application to all RAM clear is rarely a critical factor in most
    designs.



>
> - --Brendan
> - ---
> "Rejection out of hand of all but one's favoured alternative may cost
> you dearly in one way or another." -Russell McMahon
>
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=== Andrew Warren -- aiw@cypress.com
=== Principal Design Engineer
=== Cypress Semiconductor Corporation
===
=== Opinions expressed above do not
=== necessarily represent those of
=== Cypress Semiconductor Corporation

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