EDCIDR3, External Debug Component Identification Register 3

The EDCIDR3 characteristics are:

Purpose

Provides information to identify an external debug component.

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

When FEAT_DoPD is implemented, EDCIDR3 is in the Core power domain. Otherwise, EDCIDR3 is in the Debug power domain.

Implementation of this register is OPTIONAL.

This register is required for CoreSight compliance.

EDCIDR3 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																								PRMBL_3

Reserved, RES0.

Preamble.

Reads as 0xB1.

Access to this field is RO.

Component	Offset	Instance
Debug	0xFFC	EDCIDR3

Accessible as follows:

When FEAT_DoPD is implemented and !IsCorePowered(), accesses to this register generate an error response.
Otherwise, accesses to this register are RO.

15/12/2024 22:27; 5e0a212688c6bd7aee92394b6f5e491b4d0fee1d