ARM ARM PL241 manuels

Arm ARM PL241 Spécifications (110 pages)

marque: Arm | Catégorie: Mise en réseau | Taille: 0.86 MB |

Anglais

Table des matières

PrimeCell

1

AHB SRAM/NOR

1

Memory Controller (PL241)

1

Technical Reference Manual

2

Contents

3

List of Tables

5

List of Figures

7

• About this manual on page x

9

• Feedback on page xiv

9

About this manual

10

Preface

11

Feedback

14

Chapter 1

15

Introduction

15

1.1 About the AHB MC

16

1.2 Supported devices

19

Chapter 2

21

Functional Overview

21

2.1 Functional description

22

Figure 2-3 SMC block diagram

24

2.3 Functional operation

27

Figure 2-6 AHBC memory map

31

Figure 2-9 Accepting requests

34

2.4 SMC functional operation

35

Standard SRAM access

40

Memory address shifting

40

Memory burst alignment

40

Memory burst length

41

Booting using the SRAM

41

= 7, and t

49

&(2(

53

Programming t

58

Chapter 3

61

Programmer’s Model

61

Figure 3-1 SMC register map

62

3.2 Register summary

63

Type Reset value Description

65

3.3 Register descriptions

66

LQWBHQDEOH

68

5HVHUYHG

68

ORZBSRZHUBUHT

68

8QGHILQHG

68

LQWBGLVDEOH

69

ORZBSRZHUBH[LW

69

   

78

VPFBXVHUBVWDWXV8QGHILQHG

78

0xFE0-0xFEC

79

Bits Name Function

80

0xFF0-0FFC

82

0xB105F00D

82

Chapter 4

85

Programmer’s Model for Test

85

Chapter 5

89

Device Driver Requirements

89

5.1 Memory initialization

90

Appendix A

95

A.1 About the signals list

96

A.2 Clocks and resets

97

A.3 AHB signals

98

A.5 SMC miscellaneous signals

100

A.6 Low-power interface

101

A.7 Configuration signal

102

A.8 Scan chains

103

Signal Descriptions

104

Glossary

105

Plus de produits et de manuels pour Mise en réseau ARM

Modèles	Type de document
AMBA NIC-301	Guide de l'utilisateur ARM AMBA NIC-301 User guide, 54 pages
IM-AD1	Guide de l'utilisateur ARM IM-AD1 User guide, 92 pages
AMBA NIC-301	Spécifications ARM AMBA NIC-301 Specifications, 178 pages
IM-AD1	Manuel d'utilisateur ARM IM-AD1 Product data, 45 pages
AMBA NIC-301	Manuel d'utilisateur Understanding Vybrid Architecture, 24 pages

ARM appareils