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Measuring 30b CPU speed reduction
08-11-2015, 04:51 PM
Post: #18
RE: Measuring 30b CPU speed reduction
Hello,

About efficient CPU speed.

I do not have the data on hand, but out of the top of my head, setting the flash to 1 wait state did have a measurable (small) effect. I did definitely run the Atmel devices at a low speed that allowed the 0 wait state and it did indeed help...

If the 30b was to run at full speed continuously with slightly weak battery, it would reboot/cause a low power reboot. which is why this 'feature' was implemented.
Now, this only happen in real life when running long user programs as pretty much none of the user functions will ever take that long (a complex IRR might do it, but that is about it).

Cyrille
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RE: Measuring 30b CPU speed reduction - cyrille de brébisson - 08-11-2015 04:51 PM



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