LSI 53C810A manuals

LSI53C810A

1

PCI to SCSI I/O

1

Processor

1

TECHNICAL

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

Chapter 1

13

General Description

13

1.1 TolerANT

14

Technology

14

1.2.1 SCSI Performance

15

1.2.2 PCI Performance

16

1.2.3 Integration

16

1.2.4 Ease of Use

16

1.2.5 Flexibility

17

1.2.6 Reliability

17

1.2.7 Testability

18

1-8 General Description

20

Chapter 2

21

Functional Description

21

2.2 SCRIPTS Processor

22

2.4 PCI Cache Mode

24

2.5 Parity Options

25

2-6 Functional Description

26

Table 2.2 SCSI Parity Control

27

2.5.1 DMA FIFO

28

Parity Options 2-9

29

2-10 Functional Description

30

2.6 SCSI Bus Interface

31

2-12 Functional Description

32

2.6.3 Synchronous Operation

33

2-14 Functional Description

34

2.7 Interrupt Handling

35

2-16 Functional Description

36

Interrupt Handling 2-17

37

2-18 Functional Description

38

Interrupt Handling 2-19

39

2-20 Functional Description

40

Interrupt Handling 2-21

41

2-22 Functional Description

42

Chapter 3

43

PCI Functional

43

Description

43

3.2 PCI Cache Mode

45

3.2.3 Alignment

46

PCI Cache Mode 3-5

47

PCI Cache Mode 3-7

49

3.3 Conﬁguration Registers

51

1. I/O Base is supported

52

2. Memory Base is supported

52

Register: 0x00

53

Register: 0x02

53

Register: 0x04

53

Register: 0x06

55

0b00 Fast

56

0b01 Medium

56

0b10 Slow

56

0b11 Reserved

56

Register: 0x08

57

Register: 0x09

57

Register: 0x0C

58

Register: 0x0D

58

Register: 0x0E

59

Register: 0x10

59

Register: 0x14

59

Register: 0x3C

60

Register: 0x3D

60

Register: 0x3E

61

Register: 0x3F

61

Chapter 4

63

Signal Descriptions

63

4-2 Signal Descriptions

64

4-4 Signal Descriptions

66

4.1 PCI Bus Interface Signals

67

4-6 Signal Descriptions

68

PCI Bus Interface Signals 4-7

69

4.1.4 Arbitration Signals

70

4.1.5 Error Reporting Signals

70

4-10 Signal Descriptions

72

4-12 Signal Descriptions

74

Chapter 5

75

Operating Registers

75

Register: 0x00 (0x80)

76

ARB1 ARB0 Arbitration Mode

77

0 0 Simple arbitration

77

0 1 Reserved

77

1 0 Reserved

77

5-4 Operating Registers

78

Register: 0x01 (0x81)

80

5-8 Operating Registers

82

Register: 0x02 (0x82)

83

Register: 0x03 (0x83)

83

5-10 Operating Registers

84

Register: 0x04 (0x84)

85

Register: 0x05 (0x85)

86

5-14 Operating Registers

88

Register: 0x06 (0x86)

89

Register: 0x07 (0x87)

90

Register: 0x08 (0x88)

91

Register: 0x09 (0x89)

92

Register: 0x0A (0x8A)

93

Register: 0x0B (0x8B)

94

Register: 0x0C (0x8C)

94

Register: 0x0D (0x8D)

96

Register: 0x0E (0x8E)

98

Register: 0x0F (0x8F)

99

Register: 0x14 (0x94)

100

• The LSI53C810A is selected

102

Register: 0x18 (0x98)

103

Register: 0x19 (0x99)

104

Register: 0x1A (0x9A)

104

Register: 0x1B (0x9B)

106

Register: 0x20 (0xA0)

107

Register: 0x21 (0xA1)

108

Register: 0x22 (0xA2)

110

Register: 0x23 (0xA3)

111

5-38 Operating Registers

112

Register: 0x27 (0xA7)

113

5-40 Operating Registers

114

Register: 0x38 (0xB8)

115

5-42 Operating Registers

116

Register: 0x39 (0xB9)

118

Register: 0x3A (0xBA)

119

Register: 0x3B (0xBB)

119

5-46 Operating Registers

120

Register: 0x40 (0xC0)

122

Register: 0x41 (0xC1)

124

Register: 0x42 (0xC2)

125

5-52 Operating Registers

126

Register: 0x43 (0xC3)

127

Register: 0x44 (0xC4)

128

Register: 0x46 (0xC6)

129

Register: 0x47 (0xC7)

130

Register: 0x48 (0xC8)

131

Register: 0x49 (0xC9)

132

Register: 0x4A (0xCA)

133

Register: 0x4C (0xCC)

134

Register: 0x4D (0xCD)

135

Register: 0x4E (0xCE)

136

Register: 0x4F (0xCF)

137

5-64 Operating Registers

138

Register: 0x50 (0xD0)

139

Registers:0x54 (0xD4)

140

Registers:0x58 (0xD8)

140

Chapter 6

141

Instruction Set of the

141

I/O Processor

141

6.2 SCSI SCRIPTS

142

6.2.1 Sample Operation

143

6.3 Block Move Instructions

145

6.3.1 First Dword

146

Block Move Instructions 6-7

147

value from the opcode

148

are allowed. A subsequent

148

Block Move Instructions 6-9

149

OPC Instruction Deﬁned

150

0 Reserved

150

Block Move Instructions 6-11

151

6.3.2 Second Dword

152

6.4 I/O Instruction

153

I/O Instruction 6-15

155

Set/Clear ATN/

156

I/O Instruction 6-17

157

I/O Instruction 6-19

159

Conﬁg ID Offset/period 00

160

I/O Instruction 6-21

161

6.4.2 Second Dword

162

6.5 Read/Write Instructions

163

Read/Write Instructions 6-25

165

6.6.1 First Dword

167

Control instruction

170

(using addition or

173

6.6.2 Second Dword

175

6.7 Memory Move Instructions

176

Move instruction

177

6.7.1 First Dword

178

6.7.2 Second Dword

178

6.7.3 Third Dword

178

Data Structure

179

6.8.1 First Dword

180

6.8.2 Second Dword

181

Store instruction

182

Chapter 7

183

Electrical

183

Characteristics

183

DC Characteristics 7-3

185

Table 7.6 Capacitance

186

Table 7.8 Output Signal—IRQ/

186

DEVSEL/, STOP/, PERR/, PAR/

187

Table 7.9 Output Signal—SERR/

187

7.2 TolerANT Technology

188

TolerANT Technology 7-7

189

TolerANT Technology 7-9

191

7.3 AC Characteristics

192

AC Characteristics 7-11

193

Target Timing

194

Initiator Timing

194

7.4.1 Target Timing

195

Figure 7.11 Target Read

197

Figure 7.12 Target Write

198

7.4.2 Initiator Timing

199

Figure 7.15 Back-to-Back Read

201

Figure 7.17 Burst Read

204

Figure 7.18 Burst Write

206

7.5 PCI Interface Timing

208

7.6 SCSI Timings

209

SCSI Timings 7-29

211

SCSI Timings 7-31

213

7.7 Package Drawings

215

Package Drawings 7-35

217

Appendix A

219

Register Summary

219

Table A.2 SCSI Registers

220

counter bits 5-33

223

IX-2 Index

224

Index IX-3

225

IX-4 Index

226

Index IX-5

227

IX-6 Index

228

Index IX-7

229

IX-8 Index

230

Customer Feedback

231

LSI53C810A PCI to SCSI I/O

232

Processor Technical Manual

232

U.S. Distributors

233

(Continued)

234

Direct Sales

235

Representatives by State

235

(Component and Boards)

235

Sales Ofﬁces and Design

236

Resource Centers

236

♦Tel: 612.9953.9844

237

♦Tel: 91.80.664.5530

237

♦Sales Ofﬁces with

237

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