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ARM Cortex-A76 Core User Manual

ARM Cortex-A76 Core
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A1.2 Features
The Cortex-A76 core includes the following features:
Core features
• Full implementation of the Armv8.2-A A64, A32, and T32 instruction sets.
• Armv8.4 Dot Product instruction support.
• AArch32 execution state at Exception level EL0 only. AArch64 execution state at all Exception
levels (EL0 to EL3).
• Support for Arm TrustZone
®
technology.
• A Memory Management Unit (MMU).
• Superscalar, variable-length, out-of-order pipeline.
• 40-bit Physical Address (PA).
• An integrated execution unit that implements the Advanced SIMD and floating-point architecture
support.
• Optional Cryptographic Extension.
• Generic Interrupt Controller (GICv4) CPU interface to connect to an external distributor.
• Generic Timers interface supporting 64-bit count input from an external system counter.
• Reliability, Availability, and Serviceability (RAS) Extension.
Cache features
• Separate L1 data and instruction caches.
• Private, unified data and instruction L2 cache.
• Optional L1 and L2 memory protection in the form of Error Correcting Code (ECC) or parity on all
RAM instances.
Debug features
• Armv8.2 debug logic.
• Performance Monitoring Unit (PMU).
• Embedded Trace Macrocell (ETM) that supports instruction trace only.
• Activity Monitor Unit (AMU).
• Optional Coresight Embedded Logic Analyzer (ELA).
See the Arm
®
Architecture Reference Manual Armv8, for Armv8-A architecture profile for more
information.
A1 Introduction
A1.2 Features
100798_0300_00_en Copyright © 2016–2018 Arm Limited or its affiliates. All rights
reserved.
A1-27
Non-Confidential

Table of Contents

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ARM Cortex-A76 Core Specifications

General IconGeneral
ArchitectureARMv8.2-A
MicroarchitectureCortex-A76
Pipeline Depth13 stages
FrequencyUp to 3.0 GHz
Process Technology7nm
Core TypeOut-of-order
NEONYes
Power EfficiencyImproved over Cortex-A75
Performance Improvement35% over Cortex-A75
Core Count1-4 cores per cluster
ISA SupportAArch64 and AArch32
Branch PredictionYes
L1 Data Cache32KB, per core
L2 Cache256KB or 512KB, per core
L3 CacheUp to 4MB
Memory SupportLPDDR4, LPDDR4X, DDR4
DynamIQ Shared Unit (DSU)DynamIQ Shared Unit (DSU)
Cryptography ExtensionsYes
Virtualization SupportYes
L1 Cache64 KB per core

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