16.10.8 System Services Availability when Accessed Externally

External access: Access performed in the DSU address offset 0x100-0x1FFF range.

Internal access: Access performed in the DSU address offset 0x0-0xFF range.

Table 16-8. Available Features when Operated From The External Address Range and Device is Protected
Features	Availability From The External Address Range when DAL<2
CRC32	No
CoreSight Compliant Device identification	Yes
Debug communication channels	Yes
Boot communication channels	Yes
Testing of onboard memories (MBIST)	No

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