ARM CoreSight SoC-400 Technical Reference ManualRevision: r3p2
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3.9.19. Component ID1 Register

The CIDR1 characteristics are:

Purpose

A component identification register that indicates the presence of identification registers. This register also indicates the component class.

Usage constraints

There are no usage constraints.

Configurations

This register is available in all configurations.

Attributes

See the register summary in Table 3.57.

Figure 3.70 shows the bit assignments.

Figure 3.70. CIDR1 bit assignments

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Table 3.76 shows the bit assignments.

Table 3.76. CIDR1 bit assignments

BitsNameFunction
[31:8]Reserved

-

[7:4]CLASS

Class of the component, for example, whether the component is a ROM table or a generic CoreSight SoC-400 component. Contains bits[15:12] of the component identification code.

0b1001

Indicates that the component is a CoreSight SoC-400 component.

[3:0]PRMBL_1

Preamble[1]. Contains bits[11:8] of the component identification code.

0b0000

Bits[11:8] of the identification code.


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