Motorola DSP56012 manuels

Motorola DSP56012 Manuel d'utilisateur (270 pages)

marque: Motorola | Catégorie: Acoustique | Taille: 2.20 MB |

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Table des matières

DSP56012

1

Table of Contents

3

Motorola v

5

Motorola vii

7

Motorola ix

9

Motorola xi

11

List of Figures

13

List of Tables

17

Motorola xix

19

SECTION 1

21

OVERVIEW

21

Overview

22

1.1 INTRODUCTION

23

1.1.1 Manual Organization

24

1.1.2 Manual Conventions

25

1.2 DSP56012 FEATURES

26

DSP56012 Features

27

1.3.1 Peripheral Modules

30

1.3.2 DSP Core Processor

30

1.3.3 Memories

33

1.3.4 Input/Output

36

SECTION 2

41

SIGNAL DESCRIPTIONS

41

Signal Descriptions

42

2.1 SIGNAL GROUPINGS

43

Figure 2-1 DSP56012 Signals

44

2.2 POWER

45

2.3 GROUND

46

2.4 PHASE LOCK LOOP (PLL)

47

Interrupt and Mode Control

48

2.6 HOST INTERFACE (HI)

50

Serial Host Interface (SHI)

54

2.8.1 SAI Receive Section

56

2.8.2 SAI Transmit Section

57

2.11 OnCE PORT

59

OnCE Port

60

SECTION 3

61

MEMORY, OPERATING MODES

61

AND INTERRUPTS

61

3.1 INTRODUCTION

63

3.2.1 X and Y Data ROM

64

3.2.2 Bootstrap ROM

64

3.3.1 Reserved Memory Spaces

65

3.3.3 Internal I/O Memory Map

70

3.4.3 Stop Delay (SD)—Bit 6

72

3.5 OPERATING MODES

73

Operating Modes

74

Interrupt Priority Register

75

AA0292.11

76

Operation on Hardware Reset

80

SECTION 4

81

PARALLEL HOST INTERFACE

81

4.1 INTRODUCTION

83

4.2 PORT B CONFIGURATION

83

Port B Configuration

84

4.3 PROGRAMMING THE GPIO

88

4.4 HOST INTERFACE (HI)

89

4.4.1 HI Features

90

4.4.2 HI Block Diagram

91

4.4.3 HI—DSP Viewpoint

92

Parallel Host Interface

101

Host Interface (HI)

101

Command Vector Register (CVR)

109

4.4.6 HI Signals

115

4.4.7 Servicing the HI

117

DSP56012 Technical Data

118

AA0323.11

120

Figure 4-27 Host Command

132

* ;Now wait for interrupt

133

SECTION 5

149

SERIAL HOST INTERFACE

149

Serial Host Interface

150

5.1 INTRODUCTION

151

5.3 SHI CLOCK GENERATOR

153

5.6 CHARACTERISTICS OF THE I

168

5.6.1 Overview

168

Characteristics Of The I

169

C Data Transfer Formats

170

5.7.1 SPI Slave Mode

171

5.7.2 SPI Master Mode

172

C Slave Mode

173

C Master Mode

175

SECTION 6

179

SERIAL AUDIO INTERFACE

179

Serial Audio Interface

180

6.1 INTRODUCTION

181

6.2.1 Baud-Rate Generator

182

Transmitter Sections

202

6.4.4 SAI State Machine

203

Programming Considerations

204

SECTION 7

205

7.1 INTRODUCTION

207

7.2 GPIO PROGRAMMING MODEL

207

7.3 GPIO REGISTER (GPIOR)

207

GPIO Register (GPIOR)

209

SECTION 8

211

DIGITAL AUDIO TRANSMITTER

211

Digital Audio Transmitter

212

8.1 OVERVIEW

213

8.2 DAX SIGNALS

214

8.3 DAX FUNCTIONAL OVERVIEW

215

8.4 DAX PROGRAMMING MODEL

216

8.5 DAX INTERNAL ARCHITECTURE

216

DAX Internal Architecture

217

8.5.8 DAX Biphase Encoder

222

8.5.9 DAX Preamble Generator

222

8.5.10 DAX Clock Multiplexer

223

8.5.11 DAX State Machine

224

APPENDIX A

227

BOOTSTRAP ROM CONTENTS

227

Bootstrap ROM Contents

228

A.1 INTRODUCTION

229

A.2 BOOTSTRAPPING THE DSP

229

A.3 BOOTSTRAP PROGRAM LISTING

230

APPENDIX B

233

PROGRAMMING REFERENCE

233

Programming Reference

234

DSP56000 Family Manual

235

Priority Interrupt

238

(DSP56KFAMUM/AD)

240

CENTRAL PROCESSOR

247

PBC1 PBC0

251

HTIEHCIE HRIEHF3 HF2

251

DSP Side

251

HTDEHCP HRDFHF1 HF0

252

Processor Side

253

Processor SideHI

254

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