Cirrus Logic Crystal LAN CS8900A Ethernet Manuals

Manuals and User Guides for Cirrus Logic Crystal LAN CS8900A Ethernet. We have 3 Cirrus Logic Crystal LAN CS8900A Ethernet manuals available for free PDF download: Product Data Sheet, Reference Manual, Application Note

Cirrus Logic Crystal LAN CS8900A Product Data Sheet (128 pages)

Brand: Cirrus Logic | Category: Controller | Size: 2 MB

Table of Contents
2
1 Introduction

8
- General Description
  8
  - Direct ISA-Bus Interface
    8
  - Integrated Memory
    8
  - Ethernet MAC Engine
    8
  - EEPROM Interface
    8
  - Complete Analog Front End
    8
- System Applications
  8
  - Motherboard Lans
    8
  - Ethernet Adapter Cards
    9
- Key Features and Benefits
  10
  - Very Low Cost
    10
  - High Performance
    10
  - Low Power and Low Noise
    10
  - Complete Support
    10
2 Pin Description

12
3 Functional Description

17
- Overview
  17
  - Configuration
    17
  - Packet Transmission
    17
  - Packet Reception
    17
- ISA Bus Interface
  18
  - Memory Mode Operation
    18
  - I/O Mode Operation
    18
  - Interrupt Request Signals
    18
  - DMA Signals
    18
- Reset and Initialization
  19
  - Reset
    19
    
    EEPROM Reset
    19
    
    External Reset, or ISA Reset
    19
    
    Hardware (HW) Standby or Suspend
    19
    
    Power-Down Reset
    19
    
    Power-Up Reset
    19
    
    Sof Tware (SW) Suspend
    19
    
    Software Initiated Reset
    19
  - Allowing Time for Reset Operation
    19
  - Initialization
    20
- Configurations with EEPROM
  21
- EEPROM Read-Out Completion
  24
- Programming the EEPROM
  24
  - EEPROM Commands
    24
  - EEPROM Command Execution
    24
  - Enabling Access to the EEPROM
    25
  - Writing and Erasing the EEPROM
    25
- Boot PROM Operation
  25
  - Accessing the Boot PROM
    25
  - Configuring the CS8900A for Boot PROM Operation
    25
- Low-Power Modes
  26
  - Hardware Standby
    26
  - Hardware Suspend
    26
  - Software Suspend
    27
- LED Outputs
  28
  - Lanled
    28
  - LINKLED or HC0
    28
  - BSTATUS or HC1
    28
  - LED Connection
    28
- Media Access Control
  28
  - Overview
    28
  - Frame Encapsulation and Decapsulation
    29
    
    Enforcing Minimum Frame Size
    29
    
    Reception
    29
    
    Transmission
    29
  - Transmit Error Detection and Handling
    30
    
    Jabber Error
    30
    
    Loss of Carrier
    30
    
    Out-Of-Window (Late) Collision
    30
    
    SQE Error
    30
    
    Transmit Collision
    30
    
    Transmit Underrun
    30
  - Receive Error Detection and Handling
    31
    
    CRC Error
    31
    
    Dribble Bits and Alignment Error
    31
    
    Extra Data
    31
    
    Runt Frame
    31
  - Media Access Management
    31
    
    Collision Avoidance
    31
    
    Two-Part Deferral
    31
    
    Collision Resolution
    32
    
    Normal Collisions
    32
    
    Simple Deferral
    32
    
    Backoff
    33
    
    Late Collisions
    33
    
    Modified Backoff
    33
    
    SQE Test
    33
    
    Standard Backoff
    33
- Encoder/Decoder (ENDEC)
  34
  - Encoder
    34
  - Carrier Detection
    34
  - Clock and Data Recovery
    34
    
    10BASE-T Only
    35
    
    Auionly
    35
    
    Auto-Select
    35
    
    Interface Selection
    35
  - 10BASE-T Transceiver
    35
    
    10BASE-T Filters
    35
    
    Extended Range
    36
    
    Link Pulse Detection
    36
    
    Receiver
    36
    
    Squelch Circuit
    36
    
    Transmitter
    36
    
    Collision Detection
    37
    
    Receive Polarity Detection and Correction
    37
  - Attachment Unit Interface (AUI)
    37
    
    AUI Transmitter
    37
    
    AUI Receiver
    38
    
    Collision Detection
    38
  - External Clock Oscillator
    38
4 Packetpage Architecture

39
- Packetpage Overview
  39
  - Integrated Memory
    39
  - Bus Interface Registers
    39
  - Status and Control Registers
    39
  - Initiate Transmit Registers
    39
  - Address Filter Registers
    39
  - Receive and Transmit Frame Locations
    39
- Packetpage Memory Map
  40
- Bus Interface Registers
  42
  - Product Identification Code
    42
  - I/O Base Address
    42
  - Interrupt Number
    43
  - DMA Channel Number
    43
  - DMA Start of Frame
    44
  - DMA Frame Count
    44
  - Rxdma Byte Count
    44
  - Memory Base Address
    44
  - Boot PROM Base Address
    45
  - Boot PROM Address Mask
    45
  - EEPROM Command
    46
  - EEPROM Data
    46
  - Receive Frame Byte Counter
    46
- Status and Control Registers
  47
- Initiate Transmit Registers
  71
  - Transmit Command Request - Txcmd
    71
  - Transmit Length
    71
- Address Filter Registers
  72
  - Logical Address Filter (Hash Table)
    72
  - Individual Address (IEEE Address)
    72
- Receive and Transmit Frame Locations
  73
  - Receive Packetpage Locations
    73
  - Transmit Locations
    73
- Eight and Sixteen Bit Transfers
  73
  - Transferring Odd-Byte-Aligned Data
    74
  - Random Access to CS8900A Memory
    74
- Memory Mode Operation
  74
- I/O Space Operation
  76
  - Receive/Transmit Data Ports 0 and 1
    76
  - Txcmd Port
    76
  - Txlength Port
    76
  - Interrupt Status Queue Port
    76
  - Packetpage Pointer Port
    76
  - Packetpage Data Ports 0 and 1
    77
  - I/O Mode Operation
    77
  - Basic I/O Mode Transmit
    77
  - Basic I/O Mode Receive
    77
  - Accessing Internal Registers
    78
  - Polling the CS8900A in I/O Mode
    78
5 Operation

79
- Managing Interrupts and Servicing the Interrupt Status Queue
  79
- Basic Receive Operation
  79
  - Overview
    79
  - Terminology: Packet, Frame, and Transfer
    81
    
    Frame
    81
    
    Packet
    81
    
    Transfer
    81
  - Receive Configuration
    81
    
    Choosing Which Frame Types to Accept
    81
    
    Configuring the Physical Interface
    81
    
    Choosing How to Transfer Frames
    82
    
    Selecting Which Events Cause Interrupts
    82
  - Receive Frame Pre-Processing
    83
    
    Destination Address Filtering
    83
    
    Acceptance Filtering
    84
    
    Early Interrupt Generation
    84
    
    Normal Interrupt Generation
    84
  - Held Vs. Dmaed Receive Frames
    84
  - Buffering Held Receive Frames
    84
  - Transferring Held Receive Frames
    86
  - Receive Frame Visibility
    86
  - Example of Memory Mode Receive Operation
    86
  - Receive Frame Byte Counter
    87
- Receive Frame Address Filtering
  87
  - Individual Address Frames
    88
  - Multicast Frames
    88
  - Broadcast Frames
    88
  - Configuring the Destination Address Filter
    88
  - Hash Filter
    89
    
    Hash Filter Operation
    89
  - Broadcast Frame Hashing Exception
    89
- Receive DMA
  90
- Auto-Switch DMA
  93
  - Overview
    93
  - Configuring the CS8900A for Auto-Switch DMA
    94
  - Auto-Switch DMA Operation
    94
  - DMA Channel Speed Vs. Missed Frames
    95
  - Exit from DMA
    95
  - Auto-Switch DMA Example
    96
- Streamtransfer
  96
  - Overview
    96
  - Configuring the CS8900A for Streamtransfer
    96
  - Streamtransfer Operation
    96
  - Keeping Streamtransfer Mode Active
    96
  - Example of Streamtransfer
    98
  - Receive DMA Summary
    98
- Transmit Operation
  99
  - Overview
    99
  - Transmit Configuration
    99
    
    Configuring the Physical Interface
    99
    
    Selecting Which Events Cause Interrupts
    99
  - Changing the Configuration
    99
  - Enabling CRC Generation and Padding
    100
  - Individual Packet Transmission
    100
  - Transmit in Poll Mode
    101
  - Transmit in Interrupt Mode
    101
  - Completing Transmission
    103
  - Rdy4Txnow Vs. Rdy4Tx
    103
  - Committing Buffer Space to a Transmit Frame
    103
  - Transmit Frame Length
    105
- Full Duplex Considerations
  105
- Auto-Negotiation Considerations
  105
6 Test Modes

106
- Loopback & Collision Diagnostic Tests
  106
- Internal Tests
  106
- External Tests
  106
- Loopback Tests
  106
- 10BASE-T Loopback and Collision Tests
  106
- AUI Loopback and Collision Tests
  106
- Boundary Scan
  107
  - Output Cycle
    107
  - Input Cycle
    107
  - Continuity Cycle
    108
7 Characteristics/Specifications

111
- Absolute Maximum Ratings
  111
- Recommended Operating Conditions
  111
- DC Characteristics
  111
- Switching Characteristics
  113
- 10Base-T Wiring
  120
- Aui Wiring
  121
- Quartz Crystal Requirements
  121
8 Physical Dimensions

122
9 Glossary of Terms

123
- Acronyms
  123
- Definitions
  124
- Acronyms Specific to the CS8900A
  125
- Terms Specific to the CS8900A
  125
- Suffixes Specific to the CS8900A
  126

Cirrus Logic Crystal LAN CS8900A Reference Manual (58 pages)

Ethernet Controller

Brand: Cirrus Logic | Category: Controller | Size: 1 MB

Table of Contents
2
Schematic Checklist

4
Software Checklist

5
Introduction to Cs8900A Technical Reference Manual

6
Hardware Design

7
Cs8900A: Connecting to Non-Isa Bus Systems

7
Ethernet Hardware Design for Embedded Systems and Motherboards

15
- General Description
  15
- Board Design Considerations
  15
  - Crystal Oscillator
    15
  - ISA Bus Interface
    15
  - External Decode Logic
    15
  - Eeprom
    15
  - Leds
    18
  - 10BASE-T Interface
    18
  - 10BASE-2 and AUI Interfaces
    18
  - Logic Schematics
    18
  - Component Placement and Signal Routing
    20
  - Bill of Material
    20
Low Cost Ethernet Combo Card Reference Design: Crd8900

21
- General Description
  21
- Board Design
  21
  - Crystal Oscillator
    21
  - ISA Bus Interface
    21
  - External Decode Logic
    21
  - Eeprom
    21
  - Socket for Optional Boot PROM
    21
  - Leds
    26
  - 10BASE-T Interface
    26
  - AUI Interface
    26
  - 10BASE-2 Interface
    27
  - Logic Schematics
    27
  - Component Placement and Routing of Signals
    27
  - Bill of Material
    27
- Addressing the CS8900A: I/O Mode, Memory Mode
  27
  - I/O Mode
    27
  - Memory Mode
    31
    
    Lower Memory Mode
    31
    
    Extended Memory Mode
    31
- Layout Considerations for the CS8900A
  35
Recommended Magnetics for the Cs8900A

44
Jumperless Design

45
- Serial EEPROM
  45
  - Reset Configuration Block
    45
  - Driver Configuration Information
    47
  - Format of Driver Configuration Block
    47
    
    IEEE Physical Address
    49
    
    ISA Configuration Flags
    49
    
    Packetpage Memory Base
    50
    
    Boot PROM Memory Base
    50
    
    Boot PROM Mask
    50
    
    Transmission Control
    50
    
    Adapter Configuration Word
    51
    
    EEPROM Revision
    51
    
    Manufacturing Date
    52
    
    IEEE Physical Address (Copy)
    52
    
    16-Bit Checksum
    52
    
    Eisa ID
    52
    
    Serial Number
    53
    
    Serial ID Checksum
    53
  - Maintaining EEPROM Information
    54
- Embedded Designs
  54
  - BIOS-Based Design Considerations
    54
  - Driver Interface with BIOS-Based Configuration
    54
Obtaining Ieee Addresses

55
Device Drivers and Setup/Installation Software

56
- DOS Setup and Installation Utility
  56
  - Installation Procedure
    56
Contacting Customer Support at Cirrus

57
- Cirrus Web Site
  57

Cirrus Logic Crystal LAN CS8900A Application Note (11 pages)

Ethernet controller technical reference manual

Brand: Cirrus Logic | Category: Controller | Size: 1 MB

Cirrus Logic Categories

Computer Hardware Motherboard Conference System Media Converter Controller

More Cirrus Logic Manuals

Cirrus Logic Crystal LAN CS8900A Ethernet Manuals

Cirrus Logic Crystal LAN CS8900A Product Data Sheet (128 pages)

Table of Contents

1 Introduction

2 Pin Description

3 Functional Description

4 Packetpage Architecture

5 Operation

6 Test Modes

7 Characteristics/Specifications

8 Physical Dimensions

9 Glossary of Terms

Cirrus Logic Crystal LAN CS8900A Reference Manual (58 pages)

Table of Contents

Schematic Checklist

Software Checklist

Introduction to Cs8900A Technical Reference Manual

Hardware Design

Cs8900A: Connecting to Non-Isa Bus Systems

Ethernet Hardware Design for Embedded Systems and Motherboards

Low Cost Ethernet Combo Card Reference Design: Crd8900

Recommended Magnetics for the Cs8900A

Jumperless Design

Obtaining Ieee Addresses

Device Drivers and Setup/Installation Software

Contacting Customer Support at Cirrus

Cirrus Logic Crystal LAN CS8900A Application Note (11 pages)

Table of Contents

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