22.1 Features

  • Common Interface for Faults Detected in Various Hardware Elements in the Device
  • Each Fault Has a Programmable Severity Level:
    • NOTIFICATION
    • NONCRITICAL
    • CRITICAL
  • Hardware Handling of These Faults According to Their Severity
  • Automatically Transitions the Device to a Safe State for Faults with a Severity Level of CRITICAL
  • Heartbeat Signal Optionally Output on I/O Pin to Signal Normal Operation to an External System
  • Optional Float (Tri-state) of All I/O Pins When Fault is Detected
  • Fault Injection Allows Verification of Correct Operation
  • Redundancy and Consistency Checks Incorporated to Detect Internal Faults