PMPIDR1, Performance Monitors Peripheral Identification Register 1

The PMPIDR1 characteristics are:

Purpose

Provides information to identify a Performance Monitor 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 Performance Monitors registers functional group.

Usage constraints

This register is accessible as follows:

SLKDefault
RORO

Configuration

PMPIDR1 is in the Debug power domain.

Implementation of this register is OPTIONAL.

This register is required for CoreSight compliance.

Attributes

PMPIDR1 is a 32-bit register.

Field descriptions

The PMPIDR1 bit assignments are:

313029282726252423222120191817161514131211109876543210
000000000000000000000000DES_0PART_1

Bits [31:8]

Reserved, RES0.

DES_0, bits [7:4]

Designer, least significant nibble of JEP106 ID code. For ARM Limited, this field is 0b1011.

PART_1, bits [3:0]

Part number, most significant nibble.

Accessing the PMPIDR1

PMPIDR1 can be accessed through the external debug interface:

ComponentOffset
PMU 0xFE4



18/04/2017 17:00

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