ARM Cortex-A76 Core

Clock
HIGH to LOW
Transient
HIGH/LOW to HIGH
Bus stable
Bus to high impedance
Bus change
High impedance to stable bus
Figure 1 Key to timing diagram conventions
Signals
The signal conventions are:
Signal level
The level of an asserted signal depends on whether the signal is active-HIGH or active-LOW.
Asserted means:
• HIGH for active-HIGH signals.
• LOW for active-LOW signals.
Lowercase n
At the start or end of a signal name denotes an active-LOW signal.
Additional reading
This book contains information that is specific to this product. See the following documents for other
relevant information.
Arm publications
• Arm
®
Architecture Reference Manual Armv8, for Armv8-A architecture profile (DDI 0487).
• Arm
®
Cortex
®
-A76 Core Cryptographic Extension Technical Reference Manual (100801).
• Arm
®
Cortex
®
-A76 Core Configuration and Sign-off Guide (100799).
• Arm
®
Cortex
®
-A76 Core Integration Manual (100800).
• Arm
®
DynamIQ
™
Shared Unit Integration Manual (100455).
• Arm
®
DynamIQ
™
Shared Unit Technical Reference Manual (100453).
• Arm
®
DynamIQ
™
Shared Unit Configuration and Sign-off Guide (100454).
• Arm
®
CoreSight
™
ELA-500 Embedded Logic Analyzer Technical Reference Manual
(100127).
• AMBA
®
AXI
™
and ACE
™
Protocol Specification AXI3
™
, AXI4
™
, and AXI4-Lite
™
, ACE and
ACE-Lite
™
(IHI 0022).
• AMBA
®
APB Protocol Version 2.0 Specification (IHI 0024).
• Arm
®
AMBA
®
5 CHI Architecture Specification (IHI 0050).
• Arm
®
CoreSight
™
Architecture Specification v3.0 (IHI 0029).
• Arm
®
Debug Interface Architecture Specification, ADIv5.0 to ADIv5.2 (IHI 0031).
• AMBA
®
4 ATB Protocol Specification (IHI 0032).
• Arm
®
Generic Interrupt Controller Architecture Specification (IHI 0069).
• Arm
®
Embedded Trace Macrocell Architecture Specification ETMv4 (IHI 0064).
• AMBA
®
Low Power Interface Specification Arm
®
Q-Channel and P-Channel Interfaces (IHI
0068).
• Arm
®
Reliability, Availability, and Serviceability (RAS) Specification, Armv8, for the Armv8-
A architecture profile (DDI 0587A).
Preface
Additional reading
100798_0300_00_en Copyright © 2016–2018 Arm Limited or its affiliates. All rights
reserved.
19
Non-Confidential