A.4.1. secure_boot_lock

Table A.13 shows the secure_boot_lock signal.

Table A.13. secure_boot_lock signal

SignalType

Source

Description
secure_boot_lockInputExternalWhen this signal transitions HIGH, it enhances the security of the TZASC by preventing write accesses to certain registers. See Preventing writes to registers and using secure_boot_lock for information.

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