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Partner
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Can CLKUSR be turned off after calibration completes?

I understand that CLKUSR has to be available at power-up. However after configuration and calibration are complete, can CLKUSR be turned off? There's a concern about noise on the board and if it's no longer being used, might want to turn off CLKUSR.

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Employee
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Hi PFern11,

 

Based on my knowledge, I don't think you can turn off CLKUSR after configuration.

You can enable CLKUSR as the initialization clock source (Device and Pin Options ➤ General➤ Device initialization clock source ➤ CLKUSR pin). However, to turn it off after configuration, I think you cannot do that.

 

Thanks😉

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