C7.4 External Debug Device ID Register 0

The EDDEVID characteristics are:

Purpose
Provides extra information for external debuggers about features of the debug implementation.
Usage constraints

This register is accessible as follows:

Off DLK OSLK EDAD SLK Default
- - - - - RO

Table C1-1 Conditions on external register access to debug registers describes the condition codes.

Configurations
The EDDEVID is in the Debug power domain.
Attributes
See C7.1 Memory-mapped debug register summary.
Figure C7-3 EDDEVID bit assignments
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[31:28]

Reserved, res0.

AuxRegs, [27:24]

Indicates support for Auxiliary registers:

0x0None supported.
[23:4]

Reserved, res0.

PC Sample, [3:0]

Indicates the level of sample-based profiling support using external debug registers 40 to 43:

0x3EDPCSR, EDCIDSR, and EDVIDSR are implemented.

The EDDEVID can be accessed through the external debug interface, offset 0xFC8.

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