TRCCIDR1, Trace Component Identification Register 1

The TRCCIDR1 characteristics are:

Purpose

Provides discovery information about the component.

For additional information, see the CoreSight Architecture Specification.

This register is present only when FEAT_ETE is implemented and FEAT_TRC_EXT is implemented. Otherwise, direct accesses to TRCCIDR1 are RES0.

TRCCIDR1 is a 32-bit register.

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

Reserved, RES0.

Component class.

CLASS	Meaning
0b1001	CoreSight peripheral.

Other values are defined by the CoreSight Architecture.

This field reads as 0x9.

Access to this field is RO.

Component identification preamble, segment 1.

Reads as 0b0000.

Access to this field is RO.

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

Component	Offset	Instance
ETE	0xFF4	TRCCIDR1

Accessible as follows:

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

21/03/2025 17:53; 154105dd5041532b480d9ef0c018b8420cbe5c19