About this book

This book is for the GFC-100 Generic Flash Controller.

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 for system designers, system integrators, and programmers who are designing or programming a System-on-Chip (SoC) that uses the GFC-100 Generic Flash Controller.

Using this book

This book is organized into the following chapters:

Chapter 1 Introduction

Read this for an introduction to the GFC-100 Generic Flash Controller and its features.

Chapter 2 Functional Description

Read this for a description of the GFC-100 Generic Flash Controller functions.

Chapter 3 Programmers Model

Read this for a description of the memory map and registers, and for information about programming the device.

Appendix A Signal Descriptions

Read this for a description of the input and output signals.

Appendix B Revisions

Read this for a description of changes between released issues of this book.

Glossary

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
italic
Introduces special terminology, denotes cross-references, and citations.
bold
Highlights interface elements, such as menu names. Denotes signal names. Also used for terms in descriptive lists, where appropriate.
monospace
Denotes text that you can enter at the keyboard, such as commands, file and program names, and source code.
monospace
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.
<and>
Encloses replaceable terms for assembler syntax where they appear in code or code fragments. For example:
MRC p15, 0, <Rd>, <CRn>, <CRm>, <Opcode_2>
SMALL CAPITALS
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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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® AMBA® APB Protocol Specification (IHI 0024).
  • Arm® AMBA® 3 AHB‑Lite Protocol Specification v1.0 (IHI 0033).
  • AMBA® Low Power Interface Specification, Arm® Q‑Channel and P‑Channel Interfaces (IHI 0068).

See Infocenter, for access to Arm documentation.

The following confidential books are only available to licensees or require registration with Arm:

  • Arm® CoreLink™ GFC‑100 Generic Flash Controller Configuration and Integration Manual (101060).
  • Arm® AMBA® Generic Flash Bus Protocol Specification (IHI 0083).
Other publications
  • JEDEC, Standard Manufacturer’s Identification Code, JEP106.
Non-ConfidentialPDF file icon PDF version101059_0000_02_en
Copyright © 2017, 2018 Arm Limited or its affiliates. All rights reserved.