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Update ADC ENOB comment to match (measured) value in RP2040 datasheet (#643)

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Andrew Scheller 2021-10-30 14:29:58 +01:00 committed by GitHub
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src/rp2_common/hardware_adc/include/hardware/adc.h
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@ -19,7 +19,7 @@
* The RP2040 has an internal analogue-digital converter (ADC) with the following features: * The RP2040 has an internal analogue-digital converter (ADC) with the following features:
* - SAR ADC * - SAR ADC
* - 500 kS/s (Using an independent 48MHz clock) * - 500 kS/s (Using an independent 48MHz clock)
* - 12 bit (9.5 ENOB) * - 12 bit (8.7 ENOB)
* - 5 input mux: * - 5 input mux:
* - 4 inputs that are available on package pins shared with GPIO[29:26] * - 4 inputs that are available on package pins shared with GPIO[29:26]
* - 1 input is dedicated to the internal temperature sensor * - 1 input is dedicated to the internal temperature sensor