On Wed, Nov 16, 2011 at 11:56 AM, David J Taylor
<[email protected]> wrote:

> Chris, I can see your point, but these devices must have a CPU running all
> the time, otherwise how would the soft power-up work?

The ARM processor has a power manager that wakes the CPU and powers it
up when events like a WiFi packet comes in or there is some input by
the user.   The CPU is not left running.   watching for these kind of
evens is done by a much smaller chip


Chris Albertson
Redondo Beach, California

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