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TRBCIDR2, Component Identification Register 2

The TRBCIDR2 characteristics are:

Purpose

Provides discovery information about the component.

For additional information, see the CoreSight Architecture Specification.

Configuration

TRBCIDR2 is in the Core power domain.

This register is present only when FEAT_TRBE_EXT is implemented. Otherwise, direct accesses to TRBCIDR2 are RES0.

Attributes

TRBCIDR2 is a 32-bit register.

Field descriptions

Bits [31:8]

PRMBL_2, bits [7:0]

Accessing TRBCIDR2

TRBCIDR2 can be accessed through the external debug interface:

Accessible as follows:

• When DoubleLockStatus() or !IsCorePowered(), accesses to this register generate an error response.
• Otherwise, accesses to this register are RO.

2026-03-26 20:27:25, 2026-03_rel

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