AMCIDR3

It is IMPLEMENTATION DEFINED whether AMCIDR3 is implemented in the Core power domain or in the Debug power domain.

This register is present only when FEAT_AMUv1 is implemented and an implementation implements AMCIDR3. Otherwise, direct accesses to AMCIDR3 are RES0.

Attributes

Field descriptions

Bits [31:8]

PRMBL_3, bits [7:0]

Preamble.

Reads as 0xB1.

Access to this field is RO.

Accessing AMCIDR3

Accesses to this register use the following encodings:

Accessible at offset 0xFFC from AMU

When boolean IMPLEMENTATION_DEFINED "AMU CoreSight management registers ignore access controls", accesses to this register are RO.
When FEAT_RME is implemented, FEAT_AMU_EXTACR is implemented, an access is Secure, and AMROOTCR.RA IN {0b01, 0b00}, accesses to this register are RAZ/WI.
When FEAT_RME is implemented, FEAT_AMU_EXTACR is implemented, an access is Realm, and AMROOTCR.RA IN {0b10, 0b00}, accesses to this register are RAZ/WI.
When FEAT_RME is implemented, FEAT_AMU_EXTACR is implemented, an access is Non-secure, and AMROOTCR.RA != 0b11, accesses to this register are RAZ/WI.
When FEAT_RME is not implemented, FEAT_AMU_EXTACR is implemented, an access is Non-secure, and AMSCR.NSRA == 0, accesses to this register are RAZ/WI.
Otherwise, accesses to this register are RO.

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

AMCIDR3, Activity Monitors Component Identification Register 3

Purpose

Configuration

Attributes

Field descriptions

Bits [31:8]

PRMBL_3, bits [7:0]

Accessing AMCIDR3