38.5.2 ADC Clock

The ADC uses the ADC clock (ADCCLK) to perform conversions. The ADC clock frequency is selected in ADC_MR.PRESCAL.

To generate the ADC clock, the prescaler uses the peripheral clock driven by a GCLK clock.

ADC_MR.PRESCAL must be programmed to provide the ADC clock frequency parameter given in the section “Electrical Characteristics”.

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