Analog Peripherals

  • 10-Bit Analog-to-Digital Converter with Computation (ADC2):
    • 35 external channels
    • Conversion available during Sleep
    • Four internal analog channels
    • Internal and external trigger options
    • Automated math functions on input signals:
      • Averaging, filter calculations, oversampling and threshold comparison
    • 8-bit hardware acquisition timer
  • Hardware Capacitive Voltage Divider (CVD) Support:
    • 8-bit precharge timer
    • Adjustable Sample-and-Hold capacitor array
    • Guard ring digital output drive
  • Zero-Cross Detect (ZCD):
    • Detect when AC signal on pin crosses ground
  • 5-Bit Digital-to-Analog Converter (DAC):
    • Output available externally
    • Programmable 5-bit voltage (% of VDD,[VREF+ - VREF-], FVR)
    • Internal connections to comparators and ADC
  • Two Comparators (CMP):
    • Four external inputs
    • External output via PPS
  • Fixed Voltage Reference (FVR) Module:
    • 1.024V, 2.048V and 4.096V output levels
    • Two buffered outputs: One for DAC/CMP and one for ADC