42.2 Features

The following are key feature of the ADC module:

  • Two Analog-to-Digital Converters: ADC0 and ADC1
  • 8-bit, 10-bit, or 12-bit resolution
  • Up to 1,000,000 samples per second (1 MSPS)
  • Differential and single-ended inputs
    • Up to 20 analog inputs per ADC (20 unique channels total)

      28 positive and 10 negative, including internal and external

  • Internal inputs:
    • Internal temperature sensor
    • Bandgap voltage
    • Scaled core supply
    • Scaled I/O supply
    • Scaled VBAT supply
    • DAC
  • Single, continuous, and sequencing options
  • Windowing monitor with selectable channel
  • Conversion range: Vref = [1.0V to VDDANA ]
  • Built-in internal reference and external reference options
  • Event-triggered conversion for accurate timing (one event input)
  • Optional DMA transfer of conversion settings or result
  • Hardware gain and offset compensation
  • Averaging and oversampling with decimation to support up to 16-bit result
  • Selectable sampling time
  • Flexible Power/Throughput rate management