4.2.15 Peripheral ID1 register, GICD_PIDR1

This register returns byte[1] of the peripheral ID. The GICD_PIDR1 register is part of the set of Distributor peripheral identification registers.

The GICD_PIDR1 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 4-15 GICD_PIDR1 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 4-18 GICD_PIDR1 bit assignments

Bits Name Function
[31:8] -

Reserved, RAZ.

[7:4] DES_0

Bits[3:0] of JEDEC JEP106 identification code. Together, PIDR1.DES_0, PIDR2.DES_1, and PIDR4.DES_2 identify the component designer.


[3:0] PART_1

Bits[11:8] of the 12-bit part number of the component. Together, PART_0 and PART_1 field values indicate the part number of the component.


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