CPU Clock Calibration

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CPU Clock Calibration

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AsafTv
Contributor II

My device is MK64FN1M0VDC12

There is a way to calibrate Internal CPU RC clock with external LF external Oscillator 32768Hz

advice

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RaRo
NXP TechSupport
NXP TechSupport

Hello @AsafTv

There is not a way to recalibrate the internal CPU clock, this calibration is trimmed by factory. Nonetheless, could you please give us more information related with your application or reason behind the need to calibrate the internal CPU RC clock? Could we help you with something else?

Best regards, Raul.

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AsafTv
Contributor II

I want the internal RC/External Oscillator to be very Accurate.

in some CPUs we can calibrate the internal RC with External LOW OSC 32768 for example.

Thank you  

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