> I'm slowly moving more things to state machines so one could possibly
> determine when the CPU can be put to sleep from that.  I think
> power-saving support is a long way off, and even without that, the
> SM1000 seems to sip power.

Stuart is correct.  I calculated 24 hours on the AH capacity of 2 AA 
batteries (if you had a suitable DC-DC converter).  It uses a trivial 
amount of power compared to the HF radios it is connected to.

The "busy loop" observation is misleading.  It's "busy" doing DSP 80% of 
the time.  No power savings there, nor are they required.

- David


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