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CTICIDR1

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

31	30	29	28	27	26	25	24	23	22	21	20	19	18	17	16	15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
RES0																								CLASS				PRMBL_1

Bits [31:8]

Reserved, RES0.

CLASS, bits [7:4]

Component class.

CLASS	Meaning
0b1001	CoreSight component.

Other values are defined by the CoreSight Architecture.

This field reads as 0x9.

Access to this field is RO.

PRMBL_1, bits [3:0]

Preamble.

Reads as 0b0000.

Access to this field is RO.

Accessing CTICIDR1

CTICIDR1 can be accessed through the external debug interface:

Component	Offset	Instance
CTI	0xFF4	CTICIDR1

Accesses to this register are RO.

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