Avago Technologies LSI53C895A - Manual (Page 7)

Contents vii
Contents
Chapter 1 General Description
1.1 New Features in the LSI53C895A 1-3
1.2 Benefits of Ultra2 SCSI 1-4
1.3 Benefits of LVDlink 1-4
1.4 TolerANT
®
Technology 1-5
1.5 LSI53C895A Benefits Summary 1-6
1.5.1 SCSI Performance 1-6
1.5.2 PCI Performance 1-7
1.5.3 Integration 1-8
1.5.4 Ease of Use 1-8
1.5.5 Flexibility 1-9
1.5.6 Reliability 1-9
1.5.7 Testability 1-10
Chapter 2 Functional Description
2.1 PCI Functional Description 2-2
2.1.1 PCI Addressing 2-2
2.1.2 PCI Bus Commands and Functions Supported 2-4
2.1.3 PCI Cache Mode 2-9
2.2 SCSI Functional Description 2-18
2.2.1 SCRIPTS Processor 2-19
2.2.2 Internal SCRIPTS RAM 2-20
2.2.3 64-Bit Addressing in SCRIPTS 2-21
2.2.4 Hardware Control of SCSI Activity LED 2-21
2.2.5 Designing an Ultra2 SCSI System 2-22
2.2.6 Prefetching SCRIPTS Instructions 2-23
2.2.7 Opcode Fetch Burst Capability 2-24
2.2.8 Load and Store Instructions 2-24
2.2.9 JTAG Boundary Scan Testing 2-25