EDPIDR3, External Debug Peripheral Identification Register 3

The EDPIDR3 characteristics are:

Purpose

Provides information to identify an external debug component.

For more information see 'About the Peripheral identification scheme' in the ARMv8 ARM, section H8 (About the External Debug Registers).

This register is part of the Debug registers functional group.

Usage constraints

This register is accessible as follows:

Default
RO

Configuration

EDPIDR3 is in the Debug power domain.

Implementation of this register is OPTIONAL.

This register is required for CoreSight compliance.

Attributes

EDPIDR3 is a 32-bit register.

Field descriptions

The EDPIDR3 bit assignments are:

313029282726252423222120191817161514131211109876543210
000000000000000000000000REVANDCMOD

Bits [31:8]

Reserved, RES0.

REVAND, bits [7:4]

Part minor revision. Parts using EDPIDR2.REVISION as an extension to the Part number must use this field as a major revision number.

CMOD, bits [3:0]

Customer modified. Indicates someone other than the Designer has modified the component.

Accessing the EDPIDR3

EDPIDR3 can be accessed through the external debug interface:

ComponentOffset
Debug 0xFEC



02/05/2017 15:43

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