EDCIDR0, External Debug Component Identification Register 0

The EDCIDR0 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, EDCIDR0 is in the Core power domain. Otherwise, EDCIDR0 is in the Debug power domain.

Implementation of this register is OPTIONAL.

This register is required for CoreSight compliance.

EDCIDR0 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_0

Reserved, RES0.

Preamble.

Reads as 0x0D.

Access to this field is RO.

Component	Offset	Instance
Debug	0xFF0	EDCIDR0

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.

21/03/2025 17:53; 154105dd5041532b480d9ef0c018b8420cbe5c19