EDCIDR0, External Debug Component Identification Register 0

The EDCIDR0 characteristics are:

Purpose

Provides information to identify an external debug component.

For more information, see 'About the Component Identification scheme'.

Configuration

When FEAT_DoPD is implemented, EDCIDR0 is in the Core power domain. Otherwise, EDCIDR0 is in the Debug power domain.

Implementation of this register is OPTIONAL.

This register is required for CoreSight compliance.

Attributes

EDCIDR0 is a 32-bit register.

Field descriptions

313029282726252423222120191817161514131211109876543210
RES0PRMBL_0

Bits [31:8]

Reserved, RES0.

PRMBL_0, bits [7:0]

Preamble.

Reads as 0x0D.

Access to this field is RO.

Accessing EDCIDR0

EDCIDR0 can be accessed through the external debug interface:

ComponentOffsetInstance
Debug0xFF0EDCIDR0

This interface is accessible as follows:


04/07/2023 11:22; 1b994cb0b8c6d1ae5a9a15edbc8bd6ce3b5c7d68

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