LSI LSI53C875A Manuals

Manuals and User Guides for LSI LSI53C875A. We have 1 LSI LSI53C875A manual available for free PDF download: Technical Manual

LSI LSI53C875A Technical Manual

LSI LSI53C875A Technical Manual (328 pages)

PCI To Ultra SCSI Controller

Brand: LSI | Category: Computer Hardware | Size: 2.6 MB

Table of Contents

Table of Contents

7
- Chapter 1 General Description
  
  15
  - Typical LSI53C875A System Application
    16
  - Typical LSI53C875A Board Application
    16
  - New Features in the LSI53C875A
    17
  - Benefits of Ultra SCSI
    17
  - Tolerant ® Technology
    18
  - LSI53C875A Benefits Summary
    18
    
    SCSI Performance
    19
    
    PCI Performance
    20
    
    Integration
    20
    
    Ease of Use
    20
    
    Memory Move Instructions 5
    20
    
    Flexibility
    21
    
    Reliability
    22
    
    Testability
    22
- Chapter 2 Functional Description
  
  23
  - PCI Functional Description
    24
    
    PCI Addressing
    24
  - LSI53C875A Block Diagram
    24
    
    PCI Bus Commands and Functions Supported
    25
  - PCI Bus Commands and Encoding Types for the LSI53C875A
    26
    
    PCI Cache Mode
    31
  - PCI Cache Mode Alignment
    34
  - SCSI Functional Description
    38
    
    SCRIPTS Processor
    39
    
    Internal SCRIPTS RAM
    40
    
    64-Bit Addressing in SCRIPTS
    41
    
    Hardware Control of SCSI Activity LED
    41
    
    Designing an Ultra SCSI System
    42
    
    Prefetching SCRIPTS Instructions
    43
    
    Opcode Fetch Burst Capability
    44
    
    Load and Store Instructions
    44
    
    Transfer Control Instructions 5
    44
    
    JTAG Boundary Scan Testing
    45
    
    SCSI Loopback Mode
    45
    
    Parity Options
    46
  - Bits Used for Parity Control and Generation
    47
  - SCSI Parity Control
    48
  - SCSI Parity Errors and Interrupts
    48
    
    Dma Fifo
    49
  - Parity Checking/Generation
    49
  - DMA FIFO Sections
    50
  - LSI53C875A Host Interface SCSI Data Paths
    51
    
    SCSI Bus Interface
    54
    
    Select/Reselect During Selection/Reselection
    55
  - Regulated Termination for Ultra SCSI
    55
    
    Synchronous Operation
    56
  - Determining the Synchronous Transfer Rate
    57
    
    Interrupt Handling
    59
    
    Chained Block Moves
    66
  - Block Move and Chained Block Move Instructions
    67
  - Parallel ROM Interface
    70
  - Parallel ROM Support
    71
  - Serial EEPROM Interface
    72
    
    Default Download Mode
    72
    
    No Download Mode
    73
  - Power Management
    73
  - Mode a Serial EEPROM Data Format
    73
    
    Power State D0
    74
    
    Power State D1
    74
  - Power States
    74
    
    Power State D2
    75
    
    Power State D3
    75
- Chapter 3 Signal Descriptions
  
  77
  - LSI53C875A Functional Signal Grouping
    77
  - Signal Descriptions
    77
  - LSI53C875A Functional Signal Grouping
    78
    
    Internal Pull-Ups on LSI53C875A Signals
    79
  - LSI53C875A Internal Pull-Ups
    79
  - SCSI Signals
    79
  - PCI Bus Interface Signals
    80
    
    System Signals
    80
    
    Address and Data Signals
    81
    
    Interface Control Signals
    82
    
    Arbitration Signals
    83
    
    Error Reporting Signals
    83
    
    Interrupt Signal
    84
  - SCSI Bus Interface Signals
    84
    
    SCSI Bus Interface Signal
    84
    
    SCSI Signals
    85
    
    SCSI Control Signals
    85
  - GPIO Signals
    86
  - ROM Flash and Memory Interface Signals
    87
  - Test Interface Signals
    88
  - Power and Ground Signals
    89
  - MAD Bus Programming
    90
  - Decode of MAD Pins
    90
- Chapter 4 Registers
  
  93
  - PCI Configuration Registers
    93
  - PCI Configuration Register Map
    94
  - SCSI Registers
    110
  - SCSI Register Address Map
    111
  - Examples of Synchronous Transfer Periods and Rates for SCSI-1
    124
  - Example Transfer Periods and Rates for Fast SCSI-2
    125
  - And Ultra SCSI
    125
  - Maximum Synchronous Offset
    126
  - SCSI Synchronous Data FIFO Word Count
    136
  - 64-Bit SCRIPTS Selectors
    191
  - Phase Mismatch Jump Registers
    195
- Chapter 5 SCSI SCRIPTS Instruction Set
  
  201
  - Low Level Register Interface Mode
    201
  - High Level SCSI SCRIPTS Mode
    202
    
    Sample Operation
    203
  - SCRIPTS Instructions
    203
  - SCRIPTS Overview
    205
  - Block Move Instruction
    206
    
    First Dword
    206
  - SCSI Information Transfer Phase
    212
    
    Second Dword
    213
  - I/O Instruction
    213
    
    First Dword
    214
    
    Second Dword
    221
  - Read/Write Instructions
    222
    
    First Dword
    222
    
    Second Dword
    223
    
    Read-Modify-Write Cycles
    223
    
    Read/Write Instructions
    224
    
    Move To/From SFBR Cycles
    224
  - Transfer Control Instructions
    225
    
    First Dword
    226
    
    Transfer Control Instructions
    226
  - SCSI Phase Comparisons
    229
    
    Second Dword
    232
  - Memory Move Instructions
    232
    
    First Dword
    233
    
    Read/Write System Memory from SCRIPTS
    234
    
    Second Dword
    234
    
    Third Dword
    235
  - Load and Store Instructions
    235
    
    First Dword
    236
    
    Second Dword
    237
- Chapter 6 Electrical Specifications
  
  239
  - DC Characteristics
    239
  - Absolute Maximum Stress Ratings
    240
  - Operating Conditions
    240
  - Input Capacitance
    240
Bidirectional Signals—Mad[7:0], Mas/[1:0], Mce/, Moe Mwe/

241

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