D3.6 EDDEVID, External Debug Device ID Register 0
The EDDEVID provides extra information for external debuggers about features of the debug
implementation.
Bit field descriptions
The EDDEVID is a 32-bit register.
31 028 27 24 23
AuxRegs
RES0
Figure D3-5 EDDEVID bit assignments
RES0, [31:28]
RES0 Reserved.
AuxRegs, [27:24]
Indicates support for Auxiliary registers:
0x0 None supported.
RES0, [23:0]
RES0 Reserved.
Bit fields and details not provided in this description are architecturally defined. See the Arm
®
Architecture Reference Manual Armv8, for Armv8-A architecture profile.
The EDDEVID can be accessed through the external debug interface, offset 0xFC8.
D3 Memory-mapped debug registers
D3.6 EDDEVID, External Debug Device ID Register 0
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