Texas Instruments OMAP-L1x Processor Manuals

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Texas Instruments OMAP-L1x User Manual (136 pages)

Processor Ethernet Media Access Controller (EMAC)/ Management Data Input/Output (MDIO) Module

Brand: Texas Instruments | Category: Controller | Size: 0 MB

Table of Contents
3
Preface

10
- Read this First
  10
Introduction

12
- Purpose of the Peripheral
  12
- Features
  12
- EMAC/MDIO Module
  12
- Functional Block Diagram
  13
- EMAC and MDIO Block Diagram
  13
  - Industry Standard(S) Compliance Statement
    14
Architecture

14
- Clock Control
  14
- Memory Map
  14
- Signal Descriptions
  14
- Ethernet Configuration-MII Connections
  15
- EMAC and MDIO Signals for MII Interface
  15
- Ethernet Configuration-RMII Connections
  16
- EMAC and MDIO Signals for RMII Interface
  16
  - Ethernet Protocol Overview
    17
- Ethernet Frame Format
  17
- Ethernet Frame Description
  17
  - Programming Interface
    18
- Basic Descriptor Format
  18
- Typical Descriptor Linked List
  19
- Basic Descriptor Description
  19
- Transmit Buffer Descriptor Format
  22
- Receive Buffer Descriptor Format
  25
  - EMAC Control Module
    29
- EMAC Control Module Block Diagram
  29
  - MDIO Module
    30
- MDIO Module Block Diagram
  31
  - EMAC Module
    35
- EMAC Module Block Diagram
  35
  - MAC Interface
    37
  - 2.10 Packet Receive Operation
    41
- Receive Frame Treatment Summary
  44
- Middle of Frame Overrun Treatment
  45
  - 2.11 Packet Transmit Operation
    46
  - 2.12 Receive and Transmit Latency
    47
  - 2.13 Transfer Node Priority
    47
  - 2.14 Reset Considerations
    48
  - 2.15 Initialization
    49
  - 2.16 Interrupt Support
    51
  - 2.17 Power Management
    55
  - 2.18 Emulation Considerations
    55
- Emulation Control
  55
EMAC Control Module Registers

56
MDIO Registers

70
EMAC Module Registers

83
Appendix A Glossary

133
- Physical Layer Definitions
  134
Appendix B Revision History

135
- Document Revision History
  135
- Important Notice
  136

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Texas Instruments OMAP-L1x Processor Manuals

Texas Instruments OMAP-L1x User Manual (136 pages)

Table of Contents

Preface

Introduction

Architecture

EMAC Control Module Registers

MDIO Registers

EMAC Module Registers

Appendix A Glossary

Appendix B Revision History

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Texas Instruments Categories