6.3

AC Characteristics

6-9

 

6.4

PCI and External Memory Interface Timing Diagrams

6-11

 

 

6.4.1

Target Timing

6-13

 

 

6.4.2

Initiator Timing

6-19

 

 

6.4.3

External Memory Timing

6-35

 

6.5

SCSI Timing Diagrams

6-52

 

6.6

Package Diagrams

6-58

 

 

 

Appendix A

Register Summary

 

 

 

 

Appendix B

External Memory Interface Diagram Examples

 

 

 

 

 

 

 

Index

 

 

 

Customer Feedback

Figures

1.1

Typical LSI53C875A System Application

1-2

1.2

Typical LSI53C875A Board Application

1-2

2.1

LSI53C875A Block Diagram

2-2

2.2

Parity Checking/Generation

2-27

2.3

DMA FIFO Sections

2-28

2.4

LSI53C875A Host Interface SCSI Data Paths

2-29

2.5

Regulated Termination for Ultra SCSI

2-33

2.6

Determining the Synchronous Transfer Rate

2-35

2.7

Block Move and Chained Block Move Instructions

2-45

3.1

LSI53C875A Functional Signal Grouping

3-2

5.1

SCRIPTS Overview

5-5

6.1

Rise and Fall Time Test Condition

6-7

6.2

SCSI Input Filtering

6-7

6.3

Hysteresis of SCSI Receivers

6-7

6.4

Input Current as a Function of Input Voltage

6-8

6.5

Output Current as a Function of Output Voltage

6-8

6.6

External Clock

6-9

6.7

Reset Input

6-10

6.8

Interrupt Output

6-11

xContents

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Image 10
LSI 53C875A technical manual Figures