4.2.13 Peripheral ID3 register, GICD_PIDR3

This register returns byte[3] of the peripheral ID. The GICD_PIDR3 register is part of the set of Distributor peripheral identification registers.

The GICD_PIDR3 characteristics are:

Usage constraintsThere are no usage constraints.
ConfigurationsAvailable in all GIC-600 configurations.
AttributesSee 4.2 Distributor registers (GICD/GICDA) summary.

The following figure shows the bit assignments.

Figure 4-13 GICD_PIDR3 bit assignments
To view this graphic, your browser must support the SVG format. Either install a browser with native support, or install an appropriate plugin such as Adobe SVG Viewer.

The following table shows the bit assignments.

Table 4-16 GICD_PIDR3 bit assignments

Bits Name Function
[31:8] -

Reserved, RAZ.

[7:4] REVAND

Indicates minor errata fixes specific to the revision of the component being used, for example metal fixes after implementation. 0x0 indicates that there are no errata fixes to this component.


[3:0] CMOD

Customer modified. Indicates whether the customer has modified the behavior of the component. Usually, this field is 0x0. Customers change this value when they make authorized modifications to this component.


Non-ConfidentialPDF file icon PDF version100336_0104_00_en
Copyright © 2016–2018 Arm Limited or its affiliates. All rights reserved.