EDCIDR3, External Debug Component Identification Register 3

The EDCIDR3 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, EDCIDR3 is in the Core power domain. Otherwise, EDCIDR3 is in the Debug power domain.

Implementation of this register is OPTIONAL.

This register is required for CoreSight compliance.

Attributes

EDCIDR3 is a 32-bit register.

Field descriptions

313029282726252423222120191817161514131211109876543210
RES0PRMBL_3

Bits [31:8]

Reserved, RES0.

PRMBL_3, bits [7:0]

Preamble.

Reads as 0xB1.

Access to this field is RO.

Accessing EDCIDR3

EDCIDR3 can be accessed through the external debug interface:

ComponentOffsetInstance
Debug0xFFCEDCIDR3

This interface is accessible as follows:


04/07/2023 11:22; 1b994cb0b8c6d1ae5a9a15edbc8bd6ce3b5c7d68

Copyright © 2010-2023 Arm Limited or its affiliates. All rights reserved. This document is Non-Confidential.