20.1 Features

  • Returns the Device to an Initial State After a Reset
  • Identifies the Previous Reset Source
  • Power Supply Reset Sources:
    • Power-on Reset (POR)
    • Brown-out Detector (BOD) Reset
  • User Reset Sources:
    • External Reset (RESET)
    • Watchdog Timer (WDT) Reset
    • Software Reset (SWRST)
    • Unified Program and Debug Interface (UPDI) Reset
  • Error Controller Reset
  • Machine Check Reset:
    • Voltage Monitor
    • CRCSCAN failed
    • WDT clock failure
    • Boot process error
    • Dual-core lockstep CPU error
    • Error Controller internal error
    • Design-For-Test mechanism enabled error
    • On-Chip Debug system enabled error
    • UPDI Illegal Bus Activity Detected
    • Clock Failure Detected