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Avago technologies LSI53C895A Manual de usuario (364 paginas)

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LSI53C895A

PCI to Ultra2

SCSI Controller

TECHNICAL

Preface iii

Contents

Contents ix

Contents xi

Contents xiii

Contents xv

Chapter 1

General Description

1-2 General Description

1.2 Benefits of Ultra2 SCSI

1.3 Benefits of LVDlink

1.4 TolerANT

Technology

1.5.1 SCSI Performance

1.5.2 PCI Performance

1.5.3 Integration

1.5.4 Ease of Use

1.5.5 Flexibility

1.5.6 Reliability

1.5.7 Testability

Chapter 2

Functional Description

2.1.1 PCI Addressing

2-6 Functional Description

2-8 Functional Description

2.1.3 PCI Cache Mode

2-10 Functional Description

2-12 Functional Description

Read Example 2 –

Read Example 3 –

Write Example 1 –

Write Example 2 –

2.2.1 SCRIPTS Processor

2.2.2 Internal SCRIPTS RAM

2-22 Functional Description

2-24 Functional Description

2.2.10 SCSI Loopback Mode

2.2.11 Parity Options

, as a PCI master, detects a

Table 2.4 SCSI Parity Control

2.2.12 DMA FIFO

2-30 Functional Description

2-32 Functional Description

Counter, which consists of

2.2.13 SCSI Bus Interface

2-36 Functional Description

LSI53C8XX

SN75976A2

2-38 Functional Description

2.2.15 Synchronous Operation

2-42 Functional Description

2.2.16 Interrupt Handling

2-44 Functional Description

2-46 Functional Description

2-48 Functional Description

2.2.17 Interrupt Routing

2.2.18 Chained Block Moves

2-52 Functional Description

2-54 Functional Description

2.3 Parallel ROM Interface

2.4 Serial EEPROM Interface

2.4.2 No Download Mode

2.6 Power Management

2.6.1 Power State D0

2.6.2 Power State D1

2.6.3 Power State D2

2.6.4 Power State D3

Chapter 3

Signal Descriptions

3-2 Signal Descriptions

3.2 Signal Descriptions

3.3 PCI Bus Interface Signals

3.3.4 Arbitration Signals

3.3.5 Error Reporting Signals

3.3.6 Interrupt Signals

3.3.7 SCSIGPIOSignals

3.4.2 SCSI Signals

100

3.4.3 SCSI Control Signals

101

3.6 Test Interface Signals

104

3.7 Power and Ground Signals

105

3.8 MAD Bus Programming

107

Chapter 4

109

Registers

109

4-2 Registers

110

Registers:0x00–0x01

111

Registers:0x02–0x03

111

Registers:0x04–0x05

111

4-4 Registers

112

Registers:0x06–0x07

113

4-6 Registers

114

0b00 fast

114

0b01 medium

114

0b10 slow

114

0b11 reserved

114

115

Registers:0x09–0x0B

115

116

117

Registers:0x10–0x13

117

Registers:0x14–0x17

117

Registers:0x18–0x1B

118

Registers:0x1C–0x27

118

Registers:0x28–0x2B

118

Registers:0x2C–0x2D

118

Registers:0x2E–0x2F

119

Registers:0x30–0x33

120

121

Registers:0x35–0x3B

121

122

123

Registers:0x42–0x43

124

Registers:0x44–0x45

125

126

Registers:0x48–0x4B

126

4.2 SCSI Registers

127

4-20 Registers

128

129

4-22 Registers

130

SCSI Registers 4-23

131

132

SCSI Registers 4-25

133

4-26 Registers

134

135

4-28 Registers

136

137

139

140

÷ 25 = 4

141

used by

142

144

146

147

SCSI Registers 4-41

149

4-42 Registers

150

SCSI Registers 4-47

155

156

SCSI Registers 4-49

157

4-50 Registers

158

SCSI Registers 4-51

159

160

161

162

163

4-56 Registers

164

165

Registers:0x1C–0x1F

166

SCSI Registers 4-59

167

168

170

171

Registers:0x24–0x26

172

173

Registers:0x2C–0x2F

173

175

Registers:0x34–0x37

175

SCSI Registers 4-69

177

178

179

4-72 Registers

180

SCSI Registers 4-73

181

Registers:0x3C–0x3F

182

SCSI Registers 4-75

183

185

4-78 Registers

186

SCSI Registers 4-79

187

188

189

190

193

195

196

197

198

199

4-92 Registers

200

201

Registers:0x50–0x51

204

205

Registers:0x54–0x55

205

206

SCSI Registers 4-99

207

208

Registers:0x58–0x59

209

210

Registers:0x5C–0x5F

211

Registers:0x60–x9F

211

4.3 64-Bit SCRIPTS Selectors

212

Registers:0xA4–0xA7

213

Registers:0xA8–0xAB

213

Registers:0xAC–0xAF

214

Registers:0xB0–0xB3

214

Registers:0xB4–0xB7

215

Registers:0xB8–0xBB

215

Registers:0xBC–0xBF

215

Registers:0xC0–0xC3

216

Registers:0xC4–0xC7

217

Registers:0xC8–0xCB

217

Registers:0xCC–0xCF

218

Registers:0xD0–0xD3

219

Registers:0xD4–0xD7

219

Registers:0xD8–0xDA

220

Registers:0xDC–0xDF

220

Registers:0xE0–0xFF

221

4-114 Registers

222

Chapter 5

223

SCSI SCRIPTS

223

Instruction Set

223

5.2.1 Sample Operation

225

5.3 Block Move Instruction

227

5.3.1 First Dword

228

Block Move Instruction 5-7

229

Command Not Used

229

Don’t Care Table Offset

229

are allowed. A subsequent

230

Block Move Instruction 5-9

231

OPC Instruction Defined

232

5.3.2 Second Dword

234

5.4 I/O Instruction

235

I/O Instruction 5-15

237

I/O Instruction 5-17

239

= combination to produce the

240

Command Table Offset

241

5.4.2 Second Dword

243

5.5 Read/Write Instructions

244

5.5.2 Second Dword

245

5.6.1 First Dword

248

(using addition or

252

5.7 Memory Move Instructions

254

5.7.1 First Dword

255

5.7.3 Second Dword

256

5.7.4 Third Dword

257

5.8.1 First Dword

258

5.8.2 Second Dword

259

Chapter 6

261

Electrical

261

Specifications

261

Figure 6.1 LVD Driver

263

Figure 6.2 LVD Receiver

264

Table 6.6 Input Capacitance

264

DEVSEL/,STOP/,PERR/,PAR

266

TEST_RST, TMS, TRST/

266

Table 6.11 Output Signal—TDO

267

−4 0 4 8 12 16

270

6.3 AC Characteristics

272

Figure 6.9 Reset Input

273

Table 6.16 Reset Input

273

• Target Timing

274

6.4.1 Target Timing

275

(Driven by LSI53C895A)

279

6.4.2 Initiator Timing

282

6.4.3 External Memory Timing

299

(Addr Driven by LSI53C895A;

308

≤= 128 Kbytes) Read Cycle

312

≤= 128 Kbytes) Write Cycle

313

≤ 64 Kbytes ROM Read Cycle

314

≤= 64 Kbytes ROM Read Cycle

314

≤ 64 Kbyte ROM Write Cycle

315

≤= 64 Kbyte ROM Write Cycle

315

6.5 SCSI Timing Diagrams

316

Transfers) 40 MHz Clock

320

6.6 Package Diagrams

324

Package Diagrams 6-65

325

Signal PinSignal Pin

326

1. NC pins are not connected

326

Package Diagrams 6-67

327

Package Diagrams 6-69

329

Package Diagrams 6-71

331

Package Diagrams 6-75

335

Appendix A

337

Appendix B

343

External Memory

343

Interface Diagram

343

Examples

343

IX-2 Index

348

Numerics

349

IX-4 Index

350

Index IX-5

351

IX-6 Index

352

Index IX-7

353

IX-8 Index

354

Index IX-9

355

IX-10 Index

356

Customer Feedback

357

U.S. Distributors

359

(Continued)

360

Direct Sales

361

Representatives by State

361

(Components and Boards)

361

Sales Offices and Design

362

Resource Centers

362

♦Tel: 46.8.444.15.00

363

♦Tel: 44.1344.426544

363

♦Sales Offices with

363

♦Tel: 612.9953.9844

364

♦Tel: 91.80.664.5530

364

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Avago-technologies LSI53C895A manuales

Avago technologies LSI53C895A Manual de usuario (364 paginas)

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