About this book

This book is for the ARM® CoreLink™ CCI-550 Cache Coherent Interconnect.

Product revision status

The rmpn identifier indicates the revision status of the product described in this book, for example, r1p2, where:
rmIdentifies the major revision of the product, for example, r1.
pnIdentifies the minor revision or modification status of the product, for example, p2.

Intended audience

This book is written for system designers, system integrators, and programmers who are designing or programming a System-on-Chip (SoC) that uses the CCI-550.

Using this book

This book is organized into the following chapters:
Chapter 1 Introduction

This chapter provides an overview of the CCI-550.

Chapter 2 Functional description

This chapter describes the functionality of the CCI-550.

Chapter 3 Programmers model

This chapter describes the CCI-550 programmers model.

Appendix A Signal descriptions

This appendix describes the external signals of the CCI-550.

Appendix B Revisions

This appendix describes the technical changes between released issues of this book.

The ARM Glossary is a list of terms used in ARM documentation, together with definitions for those terms. The ARM Glossary does not contain terms that are industry standard unless the ARM meaning differs from the generally accepted meaning.
See the ARM Glossary for more information.
Typographic conventions
Introduces special terminology, denotes cross-references, and citations.
Highlights interface elements, such as menu names. Denotes signal names. Also used for terms in descriptive lists, where appropriate.
Denotes text that you can enter at the keyboard, such as commands, file and program names, and source code.
Denotes a permitted abbreviation for a command or option. You can enter the underlined text instead of the full command or option name.
monospace italic
Denotes arguments to monospace text where the argument is to be replaced by a specific value.
monospace bold
Denotes language keywords when used outside example code.
Encloses replaceable terms for assembler syntax where they appear in code or code fragments. For example:
MRC p15, 0, <Rd>, <CRn>, <CRm>, <Opcode_2>
Used in body text for a few terms that have specific technical meanings, that are defined in the ARM glossary. For example, IMPLEMENTATION DEFINED, IMPLEMENTATION SPECIFIC, UNKNOWN, and UNPREDICTABLE.
Timing diagrams
The following figure explains the components used in timing diagrams. Variations, when they occur, have clear labels. You must not assume any timing information that is not explicit in the diagrams.
Shaded bus and signal areas are undefined, so the bus or signal can assume any value within the shaded area at that time. The actual level is unimportant and does not affect normal operation.
Figure 1 Key to timing diagram conventions
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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 section lists publications by ARM and by third parties.
See Infocenter http://infocenter.arm.com, for access to ARM documentation.
ARM publications
This book contains information that is specific to this product. See the following documents for other relevant information:
  • ARM® AMBA® AXI and ACE Protocol Specification, AXI3, AXI4, and AXI4-Lite ACE and ACE-Lite (ARM IHI 0022).
  • ARM® AMBA® APB Protocol Specification (ARM IHI 0024).
  • Low Power Interface Specification, ARM® Q-Channel and P-Channel Interfaces (ARM IHI 0068).
  • ARM® CoreSight™ Architecture Specification (ARM IHI 0029).
  • Principles of ARM® Memory Maps (ARM DEN 0001).
The following confidential books are only available to licensees:
  • ARM® CoreLink™ CCI-550 Cache Coherent Interconnect Configuration and Sign-off Guide (ARM 100283).
  • ARM® CoreLink™ CCI-550 Cache Coherent Interconnect Integration Manual (ARM 100284).
Other publications
This section lists relevant documents published by third parties:
Non-ConfidentialPDF file icon PDF versionARM 100282_0100_00_en
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