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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
