ARM Cortex-A76 Core User Manual

D6.3 PMCIDR0, Performance Monitors Component Identification Register 0
The PMCIDR0 provides information to identify a Performance Monitor component.
Bit field descriptions
The PMCIDR0 is a 32-bit register.
31 0
PRMBL_0
78
RES0
Figure D6-2 PMCIDR0 bit assignments
RES0, [31:8]
RES0 Reserved.
PRMBL_0, [7:0]
0x0D Preamble byte 0.
Bit fields and details not provided in this description are architecturally defined. See the Arm
®
Architecture Reference Manual Armv8, for Armv8-A architecture profile.
The PMCIDR0 can be accessed through the external debug interface, offset 0xFF0.
D6 Memory-mapped PMU registers
D6.3 PMCIDR0, Performance Monitors Component Identification Register 0
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ARM Cortex-A76 Core Specifications

General

Architecture	ARMv8.2-A
Microarchitecture	Cortex-A76
Pipeline Depth	13 stages
Frequency	Up to 3.0 GHz
Process Technology	7nm
Core Type	Out-of-order
NEON	Yes
Power Efficiency	Improved over Cortex-A75
Performance Improvement	35% over Cortex-A75
Core Count	1-4 cores per cluster
ISA Support	AArch64 and AArch32
Branch Prediction	Yes
L1 Data Cache	32KB, per core
L2 Cache	256KB or 512KB, per core
L3 Cache	Up to 4MB
Memory Support	LPDDR4, LPDDR4X, DDR4
DynamIQ Shared Unit (DSU)	DynamIQ Shared Unit (DSU)
Cryptography Extensions	Yes
Virtualization Support	Yes
L1 Cache	64 KB per core