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Avago technologies LSI53C876E Manuel d'utilisateur (322 pages)

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Table des matières

Version 2.1

1

Preface iii

3

(SCSI-3 Parallel Interface)

4

SCSI Tutor

4

SCSI: Understanding

4

Preface v

5

Contents

7

Contents ix

9

Contents xi

11

Contents xiii

13

Chapter 1

15

General Description

15

1-2 General Description

16

1.1 Wide Ultra SCSI Beneﬁts

18

1.2 TolerANT

18

Technology

18

1.3 LSI53C876 Beneﬁts

19

1.3.3 Testability

20

1.3.4 Integration

21

1.3.5 Reliability

21

1-8 General Description

22

Chapter 2

23

Functional Description

23

2-2 Functional Description

24

2.1.1 PCI Addressing

25

2-4 Functional Description

26

2-6 Functional Description

28

2-8 Functional Description

30

2.1.3 Internal Arbiter

32

2.1.4 PCI Cache Mode

33

2-12 Functional Description

34

2.2.1 Two SCSI Controllers

35

2.2.2 SCRIPTS Processor

35

2-14 Functional Description

36

2-16 Functional Description

38

2.2.4 SCSI Loopback Mode

39

2.2.5 Parity Options

39

2-18 Functional Description

40

Table 2.3 SCSI Parity Control

41

2.2.6 DMA FIFO

42

Counter, which consists of

43

2-22 Functional Description

44

2.2.7 SCSI Bus Interface

46

2-26 Functional Description

48

SN75976A #1

49

LSI538760

49

SN75976A #2

49

2-28 Functional Description

50

SCSI synchronous transfers

51

2.2.8 Synchronous Operation

52

2-32 Functional Description

54

2.2.10 Interrupt Handling

55

2-34 Functional Description

56

2-36 Functional Description

58

2-38 Functional Description

60

2.2.11 Chained Block Moves

62

2-42 Functional Description

64

2.3 Parallel ROM Interface

65

2-44 Functional Description

66

2.4 Serial EEPROM Interface

67

2.4.2 Mode B Operation

68

2.4.3 Mode C Operation

68

Serial EEPROM Interface 2-47

69

2.5 Power Management

70

2.5.1 Power State D0

71

2.5.2 Power State D1

71

2.5.3 Power State D2

71

2.5.4 Power State D3

72

Chapter 3

73

Signal Descriptions

73

3-2 Signal Descriptions

74

3-4 Signal Descriptions

76

• PCI Interface

77

• SCSI Interface

77

• ROM/Flash Memory Interface

77

3.1 PCI Interface Signals

78

PCI Interface Signals 3-7

79

3-8 Signal Descriptions

80

3.1.4 Arbitration Signals

81

3.1.5 Error Reporting Signals

81

3.1.6 PCI Interrupt Signals

82

3.1.7 GPIO Interface Signals

83

3-12 Signal Descriptions

84

SCSI Bus Interface

85

3.2.2 SCSI Bus Interface

86

Control Signals group

88

3-18 Signal Descriptions

90

3.4 Test Interface Signals

91

3.5 Power and Ground Signals

92

3.6 MAD Bus Programming

93

Table 3.17 Decode of MAD Pins

94

Chapter 4

95

Registers

95

4-2 Registers

96

4-4 Registers

98

4-6 Registers

100

Register: 0x08

101

Register: 0x09

101

Register: 0x0C

101

Register: 0x0D

102

Register: 0x0E

102

Register: 0x0F

103

Register: 0x10

103

Register: 0x14

104

Register: 0x18

104

Register: 0x2C

105

Register: 0x2E

106

Register: 0x30

107

Register: 0x34

108

Register: 0x3C

108

Register: 0x3D

109

Register: 0x3E

109

Register: 0x3F

110

Register: 0x40

110

Register: 0x41

111

Register: 0x42

111

Register: 0x44

112

Register: 0x46

113

4.2 SCSI Registers

114

SCSI Registers 4-21

115

Register: 0x00

116

SCSI Registers 4-23

117

4-24 Registers

118

Register: 0x01

119

4-26 Registers

120

SCSI Registers 4-27

121

Register: 0x02

122

SCSI Registers 4-29

123

4-30 Registers

124

Register: 0x03

125

Register: 0x04

126

Register: 0x05

127

4-34 Registers

128

SCSI Registers 4-35

129

Register: 0x06

130

Register: 0x07

131

Register: 0x0A

134

Register: 0x0B

135

SCSI Registers 4-43

137

SCSI Registers 4-45

139

SCSI Registers 4-47

141

Registers:0x10–0x13

143

SCSI Registers 4-51

145

4-52 Registers

146

Register: 0x19

148

Register: 0x1A

148

SCSI Registers 4-55

149

Register: 0x1B

150

Registers:0x1C–0x1F

151

Register: 0x20

152

Register: 0x21

153

4-60 Registers

154

Register: 0x22

155

Register: 0x23

156

Registers:0x24–0x26

157

Register: 0x27

158

Registers:0x28–0x2B

158

Registers:0x2C–0x2F

158

Registers:0x30–0x33

159

Register: 0x38

160

SCSI Registers 4-67

161

4-68 Registers

162

Register: 0x39

163

Register: 0x3A

164

Register: 0x3B

164

SCSI Registers 4-71

165

Register: 0x3C–0x3F

166

4-74 Registers

168

SCSI Registers 4-77

171

4-78 Registers

172

Register: 0x43

173

Register: 0x45

175

Register: 0x47

176

Register: 0x48

177

4-84 Registers

178

Register: 0x49

179

Register: 0x4A

180

Register: 0x4B

180

Register: 0x4C

181

Register: 0x4D

182

SCSI Registers 4-89

183

Register: 0x4E

184

SCSI Registers 4-91

185

Register: 0x4F

186

SCSI Registers 4-93

187

Register: 0x50–0x51

188

Registers:0x54–0x55

189

Registers:0x58–0x59

189

Registers:0x5C–0x5F

190

Registers:0x60–0x7F

190

Chapter 5

191

SCSI SCRIPTS

191

Instruction Set

191

5.2.1 Sample Operation

193

Figure 5.1 SCRIPTS Overview

195

5.3 Block Move Instruction

196

Block Move Instruction 5-7

197

value from the opcode

198

are allowed. A subsequent

198

Block Move Instruction 5-9

199

Block Move Instruction 5-11

201

5.4 I/O Instruction

203

I/O Instruction 5-15

205

Set/Clear ATN/

206

I/O Instruction 5-17

207

I/O Instruction 5-19

209

Absolute Alternate Address

210

Command Table Offset

210

I/O Instruction 5-21

211

5.5 Read/Write Instructions

212

Read/Write Instructions 5-23

213

5.5.2 Second Dword

214

Read/Write Instructions 5-25

215

5.6.1 First Dword

217

Command Condition Codes

222

5.7 Memory Move Instructions

224

Memory Move Instructions 5-35

225

5.7.2 Second Dword

226

5.7.3 Third Dword

226

Memory Move Instructions 5-37

227

Data Structure

228

5.8.1 First Dword

229

5.8.2 Second Dword

230

DCMD Register DBC Register

231

Chapter 6

233

Electrical

233

Characteristics

233

DC Characteristics 6-3

235

Table 6.6 Capacitance

236

Table 6.9 Output Signal—REQ/

237

DEVSEL/, STOP/, PERR/, PAR

237

6.4 AC Characteristics

244

Figure 6.7 Reset Input

245

Table 6.22 Reset Input

245

Figure 6.8 Interrupt Output

246

Table 6.23 Interrupt Output

246

AC Characteristics 6-15

247

Symbol Parameter Min Max Unit

248

AC Characteristics 6-17

249

AC Characteristics 6-19

251

AC Characteristics 6-21

253

(Addr driven by LSI53C876

254

AC Characteristics 6-23

255

AC Characteristics 6-25

257

AC Characteristics 6-27

259

AC Characteristics 6-29

261

AC Characteristics 6-31

263

Table 6.33 Back-to-Back Read

264

Figure 6.17 Back-to-Back Read

265

Table 6.34 Back-to-Back Write

266

AC Characteristics 6-35

267

Table 6.35 Burst Read

269

Figure 6.19 Burst Read

270

AC Characteristics 6-39

271

Table 6.36 Burst Write

273

Figure 6.20 Burst Write

274

AC Characteristics 6-43

275

AC Characteristics 6-45

277

(Addr driven by LSI53C876;

278

AC Characteristics 6-47

279

(Driven by LSI53C876)

280

AC Characteristics 6-49

281

AC Characteristics 6-51

283

Valid Read Data

284

AC Characteristics 6-53

285

6.4.3 SCSI Interface Timing

287

AC Characteristics 6-57

289

Internally

291

6.5 Package Diagrams

292

Package Diagrams 6-61

293

Package Diagrams 6-63

295

Appendix A

297

Register Summary

297

Table A.2 SCSI Registers

298

Register Summary A-3

299

A-4 Register Summary

300

Appendix B

301

External Memory

301

Interface Diagram

301

Examples

301

counter bits 4-58

305

IX-2 Index

306

Index IX-3

307

IX-4 Index

308

Index IX-5

309

IX-6 Index

310

Index IX-7

311

IX-8 Index

312

, 1-3, 1-4

313

IX-10 Index

314

Customer Feedback

315

LSI53C876/876E PCI to Dual

316

U.S. Distributors

317

(Continued)

318

Direct Sales

319

Representatives by State

319

(Component and Boards)

319

Sales Ofﬁces and Design

320

Resource Centers

320

♦Tel: 612.9953.9844

321

♦Tel: 91.80.664.5530

321

♦Sales Ofﬁces with

321

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