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Core interfaces

System register access allows the core to directly access certain debug registers.

Debug registers
This function is system register based and memory-mapped. You can access the debug register map using the APB slave port.The external debug interface enables both external and self-hosted debug agents to access debug registers. Access to the debug registers is partitioned as follows:
Performance monitor
This function is system register based and memory-mapped. You can access the performance monitor registers using the APB slave port.
Activity monitor
This function is system register based and memory-mapped. You can access the activity monitor registers using the APB slave port.
Trace registers
This function is memory-mapped.
ELA registers
This function is memory-mapped.
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