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Diffstat (limited to 'docs/esp32/quickref.rst')
| -rw-r--r-- | docs/esp32/quickref.rst | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/docs/esp32/quickref.rst b/docs/esp32/quickref.rst index 63180b470a..c394414a76 100644 --- a/docs/esp32/quickref.rst +++ b/docs/esp32/quickref.rst @@ -544,14 +544,27 @@ Legacy methods: Equivalent to ``ADC.block().init(bits=bits)``. +The only chip that can switch resolution to a lower one is the normal esp32. +The C2 & S3 are stuck at 12 bits, while the S2 is at 13 bits. + For compatibility, the ``ADC`` object also provides constants matching the -supported ADC resolutions: +supported ADC resolutions, per chip: +ESP32: - ``ADC.WIDTH_9BIT`` = 9 - ``ADC.WIDTH_10BIT`` = 10 - ``ADC.WIDTH_11BIT`` = 11 - ``ADC.WIDTH_12BIT`` = 12 +ESP32 C3 & S3: + - ``ADC.WIDTH_12BIT`` = 12 + +ESP32 S2: + - ``ADC.WIDTH_13BIT`` = 13 + +.. method:: ADC.deinit() + + Provided to deinit the adc driver. Software SPI bus ---------------- |