[time-nuts] iPhone keeping better time?

[David J Taylor]

>> 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

Thanks, Chris.  That's why I wrote "a CPU" rather than "the CPU".

Cheers,
David
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