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CTICIDR1, CTI Component Identification Register 1

The CTICIDR1 characteristics are:

Purpose

Provides information to identify a CTI component.

For more information, see 'About the Component Identification scheme'.

Configuration

CTICIDR1 is in the Debug power domain.

Implementation of this register is OPTIONAL.

This register is required for CoreSight compliance.

Attributes

CTICIDR1 is a 32-bit register.

Field descriptions

The CTICIDR1 bit assignments are:

313029282726252423222120191817161514131211109876543210
RES0CLASSPRMBL_1

Bits [31:8]

Reserved, RES0.

CLASS, bits [7:4]

Component class.

CLASSMeaning
0b1001

CoreSight component.

Other values are defined by the CoreSight Architecture.

This field reads as 0x9.

PRMBL_1, bits [3:0]

Preamble. RAZ.

Reads as 0b0000.

Accessing the CTICIDR1

CTICIDR1 can be accessed through the external debug interface:

ComponentOffsetInstance
CTI0xFF4CTICIDR1

Accesses on this interface are RO.