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 1. 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
Parent topic: Functional Description