A.11.8 Lock-step and split/lock signals

Details of the lock-step and split/lock signals.

Table A-41 Lock-step and split/lock signals

Name Type Source/destination Description
COMPENABLE Input System configuration

Enables comparison logic that compares the outputs of the core, SCU, and AXI TCM slave with those of their redundant copy.

See 1.6 Redundant processor core comparison.

COMPFAULT Output

Indicates a fault in either the main or redundant logic.

See 1.6 Redundant processor core comparison.

SAFEMODE Input

Selects split/lock mode or lock-step mode.

See 1.6.1 Split/lock.

Non-ConfidentialPDF file icon PDF versionARM 100400_0001_03_en
Copyright © 2015–2017 ARM Limited or its affiliates. All rights reserved.