LSI LSI53C895A Manuals

LSI LSI53C895A Manuals

Manuals and User Guides for LSI LSI53C895A. We have 1 LSI LSI53C895A manual available for free PDF download: Technical Manual

LSI LSI53C895A Technical Manual

LSI LSI53C895A Technical Manual (364 pages)

PCI to Ultra2 SCSI Controller

Brand: LSI | Category: Controller | Size: 2.84 MB

Table of Contents

Table of Contents
7
Chapter 1 General Description

17
- Typical LSI53C895A System Application
  18
- New Features in the LSI53C895A
  19
- Typical LSI53C895A Board Application
  19
- Benefits of Ultra2 SCSI
  20
- Benefits of Lvdlink
  20
- Tolerant ® Technology
  21
- LSI53C895A Benefits Summary
  22
  - SCSI Performance
    22
  - PCI Performance
    23
  - Integration
    24
  - Ease of Use
    24
  - Flexibility
    25
  - Reliability
    25
  - Testability
    26
Chapter 2 Functional Description

27
- PCI Functional Description
  28
  - PCI Addressing
    28
- LSI53C895A Block Diagram
  28
  - PCI Bus Commands and Functions Supported
    30
- PCI Bus Commands and Encoding Types for the LSI53C895A
  30
  - PCI Cache Mode
    35
- PCI Cache Mode Alignment
  39
- SCSI Functional Description
  44
  - SCRIPTS Processor
    45
  - Internal SCRIPTS RAM
    46
  - 64-Bit Addressing in SCRIPTS
    47
  - Hardware Control of SCSI Activity LED
    47
  - Designing an Ultra2 SCSI System
    48
  - Prefetching SCRIPTS Instructions
    49
  - Opcode Fetch Burst Capability
    50
  - Load and Store Instructions
    50
  - JTAG Boundary Scan Testing
    51
  - SCSI Loopback Mode
    52
  - Parity Options
    52
- Bits Used for Parity Control and Generation
  53
- SCSI Parity Errors and Interrupts
  54
- SCSI Parity Control
  54
  - Dma Fifo
    55
- Parity Checking/Generation
  55
- LSI53C895A Host Interface SCSI Data Paths
  57
  - SCSI Bus Interface
    60
- HVD Signals
  61
- 8-Bit HVD Wiring Diagram for Ultra2 SCSI
  63
  - Select/Reselect During Selection/Reselection
    65
  - Synchronous Operation
    66
- Determining the Synchronous Transfer Rate
  67
  - Interrupt Handling
    69
  - Interrupt Routing
    76
  - Chained Block Moves
    77
- Parallel ROM Interface
  81
- Parallel ROM Support
  82
- Serial EEPROM Interface
  83
  - Default Download Mode
    83
  - No Download Mode
    84
- Alternative SSVID/SSID Loading Mechanism
  84
- Mode a Serial EEPROM Data Format
  84
- Power Management
  86
  - Power State D0
    87
  - Power State D1
    87
- Power States
  87
  - Power State D2
    88
  - Power State D3
    88
Chapter 3 Signal Descriptions

89
- LSI53C895A Functional Signal Grouping
  89
- SCSI Bus Interface Signal
  89
- Power and Ground Signals
  89
- LSI53C895A Functional Signal Grouping
  90
- Signal Descriptions
  91
  - Internal Pull-Ups on LSI53C895A Signals
    91
- LSI53C895A Internal Pull-Ups
  91
- PCI Bus Interface Signals
  92
  - System Signals
    92
  - Address and Data Signals
    93
  - Interface Control Signals
    94
  - Arbitration Signals
    96
  - Error Reporting Signals
    96
  - Interrupt Signals
    97
  - SCSI GPIO Signals
    98
- SCSI Bus Interface Signals
  99
  - SCSI Bus Interface Signal
    99
  - SCSI Signals
    100
  - SCSI Control Signals
    101
- Flash ROM and Memory Interface Signals
  102
- Test Interface Signals
  104
- Power and Ground Signals
  105
- Decode of MAD Pins
  108
Chapter 4 Registers

109
- PCI Configuration Registers
  109
- PCI Configuration Register Map
  110
- SCSI Register Address Map
  128
Chapter 5 SCSI SCRIPTS Instruction Set

136
- Block Move Instruction
  136
- Examples of Synchronous Transfer Periods and Rates
  141
  - For SCSI-1
    141
  - Ultra, and Ultra2
    142
- Maximum Synchronous Offset
  143
- SCSI Synchronous Data FIFO Word Count
  153
- SCRIPTS Instructions
  157
  - Second Dword
    174
  - First Dword
    209
  - Second Dword
    228
- SCSI Information Transfer Phase
  233
  - Read/Write Instructions
    235
  - Second Dword
    243
- Read/Write Instructions
  244
  - Read-Modify-Write Cycles
    245
- Read/Write Instructions
  246
- Transfer Control Instructions
  248
- SCSI Phase Comparisons
  251
  - Second Dword
    254
  - First Dword
    255
  - Read/Write System Memory from SCRIPTS
    256
  - Third Dword
    257
Chapter 6 Electrical Specifications

261
Appendix A Register Summary

337
- A.1 LSI53C895A PCI Register Map
  337
- A.2 LSI53C895A SCSI Register Map
  338
Appendix B External Memory Interface Diagram Examples

343
Customer Feedback

357

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