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Feedback

ARM Limited welcomes feedback on both the ARM PrimeCell VC-SDRAM

Controller (PL070) and on the documentation.

Feedback on this document

If you have any comments on this document, please send an email to errata@arm.com giving:

•the document title

•the document number

•the page number(s) to which your comments refer

•a concise explanation of your comments.

General suggestions for additions and improvements are also welcome.

Feedback on the ARM PrimeCell VC-SDRAM Controller

If you have any comments or suggestions about this product, please contact your supplier giving:

•the product name

•a concise explanation of your comments.

viii

© Copyright ARM Limited 1999. All rights reserved.

ARM DDI 0162B

Contents

ARM PrimeCell Technical Reference Manual

Preface

About this document

......................................................................................................iv

Further reading..............................................................................................................

vii

Feedback .....................................................................................................................

viii

Chapter 1

Introduction

 

 

1.1

About the ARM PrimeCell VC-SDRAM Controller (PL070)...........................

1-2

Chapter 2

Functional Overview

 

 

2.1

ARM PrimeCell VC-SDRAM Controller (PL070) overview............................

2-2

 

2.2

Overview of a VC-SDRAM, ASIC/ASSP, unified memory system................

2-7

Chapter 3

Programmer’s Model

 

 

3.1

About the programmer’s model.....................................................................

3-2

 

3.2

Summary of PrimeCell VC-SDRAM Controller registers...............................

3-3

 

3.3

Register descriptions ....................................................................................

3-4

 

3.4

System initialization ....................................................................................

3-10

 

3.5

Address mapping ........................................................................................

3-11

Appendix A

ARM PrimeCell VC-SDRAM Controller (PL070) Signal Descriptions

 

 

A.1

On-chip signals .............................................................................................

A-2

 

A.2

Off-chip signals .............................................................................................

A-8

ARM DDI 0162B

© Copyright ARM Limited 1999. All rights reserved.

ix

x

© Copyright ARM Limited 1999. All rights reserved.

ARM DDI 0162B