Avago Technologies LSI53C825AE User Manual
Page 7

Contents
vii
Contents
Chapter 1
Introduction
1.1
General Description
1-1
1.2
Package and Feature Options
1-2
1.2.1
PCI Pad Power-up Sequence
1-3
1.3
TolerANT
®
Technology
1-3
1.4
LSI53C825A Benefits Summary
1-4
1.4.1
SCSI Performance
1-4
1.4.2
PCI Performance
1-5
1.4.3
Integration
1-6
1.4.4
Ease of Use
1-6
1.4.5
Flexibility
1-7
1.4.6
Reliability
1-7
1.4.7
Testability
1-8
Chapter 2
Functional Description
2.1
PCI Addressing
2-1
2.1.1
Configuration Space
2-1
2.1.2
PCI Bus Commands and Functions Supported
2-2
2.1.3
PCI Cache Mode
2-4
2.2
SCSI Functional Description
2-10
2.2.1
SCSI Core
2-10
2.2.2
DMA Core
2-11
2.2.3
SCRIPTS Processor
2-11
2.2.4
Internal SCRIPTS RAM
2-11
2.2.5
SDMS: The Total SCSI Solution
2-12
2.2.6
Prefetching SCRIPTS Instructions
2-13
2.2.7
Opcode Fetch Burst Capability
2-14
2.3
External Memory Interface
2-14
2.4
PCI Cache Mode
2-17