TRCCIDR3, Component Identification Register 3

The TRCCIDR3 characteristics are:

Purpose

Provides discovery information about the component.

For additional information see the CoreSight Architecture Specification.

Configuration

This register is present only when ETE is implemented. Otherwise, direct accesses to TRCCIDR3 are RES0.

Attributes

TRCCIDR3 is a 32-bit register.

Field descriptions

The TRCCIDR3 bit assignments are:

Bits [31:8]

Reserved, RES0.

PRMBL_3, bits [7:0]

Component identification preamble, segment 3.

This field reads as 0xB1.

Accessing the TRCCIDR3

External debugger accesses to this register are unaffected by the OS Lock.

TRCCIDR3 can be accessed through the external debug interface:

This interface is accessible as follows:

• When !IsTraceCorePowered() accesses to this register generate an error response.
• Otherwise accesses to this register are RO.