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Avago Technologies LSI53C825AE User Manual

Page 9

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Contents

ix

Chapter 5

SCSI SCRIPTS Instruction Set

5.1

Low Level Register Interface Mode

5-1

5.2

High Level SCSI SCRIPTS Mode

5-2

5.2.1

Sample Operation

5-3

5.3

Block Move Instructions

5-6

5.3.1

First Dword

5-6

5.3.2

Second Dword

5-13

5.4

I/O Instruction

5-14

5.4.1

First Dword

5-14

5.4.2

Second Dword

5-23

5.5

Read/Write Instructions

5-24

5.5.1

First Dword

5-24

5.5.2

Second Dword

5-26

5.5.3

Read-Modify-Write Cycles

5-26

5.5.4

Move To/From SFBR Cycles

5-27

5.6

Transfer Control Instructions

5-29

5.6.1

First Dword

5-29

5.6.2

Second Dword

5-36

5.7

Memory Move Instructions

5-36

5.7.1

First Dword

5-37

5.7.2

Read/Write System Memory from SCRIPTS

5-38

5.7.3

Second Dword

5-38

5.7.4

Third Dword

5-38

5.8

Load and Store Instructions

5-40

5.8.1

First Dword

5-41

5.8.2

Second Dword

5-42

Chapter 6

Specifications

6.1

DC Characteristics

6-1

6.2

TolerANT Technology Electrical Characteristics

6-7

6.3

AC Characteristics

6-11

6.4

PCI and External Memory Interface Timing Diagrams

6-13

6.4.1

Target Timing

6-15

6.4.2

Initiator Timing

6-24

6.4.3

External Memory Timing

6-32