3.7.21. Component ID1 Register

The CIDR1 characteristics are:


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.


This register is available in all configurations.


See the register summary in Table 3.33.

Figure 3.49 shows the bit assignments.

Figure 3.49. CIDR1 bit assignments

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Table 3.54 shows the bit assignments.

Table 3.54. CIDR1 bit assignments




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.


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


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


Bits[11:8] of the identification code.

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