TRCPIDR1, Peripheral Identification Register 1

The TRCPIDR1 characteristics are:

Purpose

Provides discovery information about the component.

For additional information, see the CoreSight Architecture Specification.

Configuration

This register is present only when FEAT_ETE is implemented and FEAT_TRC_EXT is implemented. Otherwise, direct accesses to TRCPIDR1 are RES0.

Attributes

TRCPIDR1 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																								DES_0				PART_1

Bits [31:8]

Reserved, RES0.

DES_0, bits [7:4]

Designer, JEP106 identification code, bits [3:0]. TRCPIDR1.DES_0 and TRCPIDR2.DES_1 together form the JEDEC-assigned JEP106 identification code for the designer of the component. The parity bit in the JEP106 identification code is not included. The code identifies the designer of the component, which might not be not the same as the implementer of the device containing the component. To obtain a number, or to see the assignment of these codes, contact JEDEC http://www.jedec.org.

Note

For a component designed by Arm Limited, the JEP106 identification code is 0x3B.

This field has an IMPLEMENTATION DEFINED value.

Access to this field is RO.

PART_1, bits [3:0]

Part number, bits [11:8].

The part number is selected by the designer of the component, and is stored in TRCPIDR1.PART_1 and TRCPIDR0.PART_0.

This field has an IMPLEMENTATION DEFINED value.

Access to this field is RO.

Accessing TRCPIDR1

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

TRCPIDR1 can be accessed through the external debug interface:

Component	Offset	Instance
ETE	0xFE4	TRCPIDR1

This interface is accessible as follows:

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

04/07/2023 11:27; 1b994cb0b8c6d1ae5a9a15edbc8bd6ce3b5c7d68