TrustZone Address Space Controllers partitions external memory in secure and non-secure regions. The Arm CoreLink TZC-400 TrustZone Address Space Controller protects multiple regions of external memory against software attack. For on-chip memory, internal SRAM and TrustZone controllers perform signature checks and ensure secure boot.
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CoreSight Debug and Trace
Arm CoreSight technology is a set of tools that can be used to debug and trace software that runs on Arm-based SoCs.
Arm dynamic memory controllers help manage the differing demands of multiple processing elements while delivering maximum DRAM bandwidth.
System Memory Management Units
A system memory management unit (SMMU) is responsible for all aspects of memory management, including caching and memory virtualization.
Arm generic interrupt controllers (GIC) perform critical tasks of interrupt management, prioritization and routing.
Arm AMBA specifications are the standard for on-chip communication.