ADC (Analog Digital Converter)

group group_hal_impl_adcmic

Features

The CAT1B ADC supports the following features:

• Resolution: 16 bit

• Sample rate: Fixed 480 ksps

• Minimum acquisition time: Up to 2084 ns

• SW-based async transfer only (DMA is not supported)

• VREF: CYHAL_ADC_REF_INTERNAL (1.8V) only

• Only CYHAL_POWER_LEVEL_DEFAULT and CYHAL_POWER_LEVEL_OFF are defined.

• Single ended vneg: CYHAL_ADC_VNEG_VSSA

The following functions are not supported:

• Differential channels

• Continuous scanning

• CYHAL_ADC_EOS event (this is only applicable when continuously scanning)

• Averaging. In cyhal_adc_config_t, average count must be 1 and average_mode_flags must be 0. In cyhal_adc_channel_config_t, enable_averaging must be false.

• External vref and bypass pins