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Multiple voltage levels for a Single Frequency in ARM A15 processors

maasa

Hi 

I am using a Samsung Exynos 5244 processor which has A15 and A7 cores. When I run an  application and get the power profiling, I see for a single constant frequency (say 1700MHz), the voltage varies between 0.913 V and 1.15V .  Can you please explain, why this happens ?

Also, I want to keep the voltage  constant for a single frequency.  Is there any way to fix the voltage level to a single constant value for a particular frequency.

Thanks,

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