LSI 53C875A - Manual (Page 7)

Contents vii
Contents
Chapter 1 General Description
1.1 New Features in the LSI53C875A 1-3
1.2 Benefits of Ultra SCSI 1-3
1.3 TolerANT
®
Technology 1-4
1.4 LSI53C875A Benefits Summary 1-4
1.4.1 SCSI Performance 1-5
1.4.2 PCI Performance 1-6
1.4.3 Integration 1-6
1.4.4 Ease of Use 1-6
1.4.5 Flexibility 1-7
1.4.6 Reliability 1-8
1.4.7 Testability 1-8
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 2-3
2.1.3 PCI Cache Mode 2-9
2.2 SCSI Functional Description 2-16
2.2.1 SCRIPTS Processor 2-17
2.2.2 Internal SCRIPTS RAM 2-18
2.2.3 64-Bit Addressing in SCRIPTS 2-19
2.2.4 Hardware Control of SCSI Activity LED 2-19
2.2.5 Designing an Ultra SCSI System 2-20
2.2.6 Prefetching SCRIPTS Instructions 2-21
2.2.7 Opcode Fetch Burst Capability 2-22
2.2.8 Load and Store Instructions 2-22
2.2.9 JTAG Boundary Scan Testing 2-23
2.2.10 SCSI Loopback Mode 2-23