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ARM Cortex-A76 Core User Manual

ARM Cortex-A76 Core
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B.1 Revisions
This appendix describes the technical changes between released issues of this book
Table B-1 Issue 0000-00
Change Location Affects
First release
- -
Table B-2 Differences between Issue 0000-00 and Issue 0100-00
Change Location Affects
Added support for 128KB L2 cache size.
Throughout document r1p0
Added note to indicate support for Dot Product
instructions introduced in the Armv8.4
Extension.
A1.1 About the core on page A1-26 r1p0
Updated BPIQ data location encoding table.
A6.6.1 Encoding for L1 instruction cache tag, L1 instruction cache
data, L1 BTB, L1 GHB, L1 TLB instruction, and BPIQ
on page A6-80
r1p0
Updated replacement policy to dynamic biased
replacement policy.
A7.1 About the L2 memory system on page A7-98 r1p0
Updated reset values for ID_AA64ISAR0_EL1,
IDAA64MMFR1_EL1, IDMMFR4_EL1, and
MIDR_EL1.
B2.4 AArch64 registers by functional group on page B2-136 r1p0
Updated CCSIDR_EL1 encodings table.
B2.18 CCSIDR_EL1, Cache Size ID Register, EL1 on page B2-159 r1p0
Updated CPUECTLR_EL1 register description.
B2.26 CPUECTLR_EL1, CPU Extended Control Register, EL1
on page B2-172
r1p0
Updated bits [43:32] of ID_AA64ISAR0_EL1
register.
B2.56 ID_AA64ISAR0_EL1, AArch64 Instruction Set Attribute
Register 0, EL1 on page B2-219
r1p0
Updated bits [15:12] of ID_AA64MMFR1_EL1
register.
B2.59 ID_AA64MMFR1_EL1, AArch64 Memory Model Feature
Register 1, EL1 on page B2-224
r1p0
Added ID_ISAR6_EL1 register.
B2.71 ID_ISAR6_EL1, AArch32 Instruction Set Attribute Register 6,
EL1 on page B2-245
r1p0
Added Activity Monitor Unit chapter.
Chapter C3 Activity Monitor Unit on page C3-385 All versions
Updated reset value for TRCIDR1 register.
D9.1 ETM register summary on page D9-495 r1p0
Updated bits [3:0] of TRCIDR1 register.
D9.30 TRCIDR1, ID Register 1 on page D9-536 r1p0
B Revisions
B.1 Revisions
100798_0300_00_en Copyright © 2016–2018 Arm Limited or its affiliates. All rights
reserved.
Appx-B-600
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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