Manuali utente per Texas Instruments VLYNQ Port

Sommario

• Table of Contents

  3
• Preface

  7
• 1 Introduction

  9
  • 1.1 Purpose of the Peripheral

    9
  • 1.2 Features

    9
  • 1.3 Functional Block Diagram

    10
  • 1.4 Industry Standard(s) Compliance Statement

    10
• 2 Peripheral Architecture

  11
  • 2.1 Clock Control

    11
  • 2.2 Signal Descriptions

    12
  • 2.3 Pin Multiplexing

    12
  • 2.4 Protocol Description

    12
  • 2.5 VLYNQ Functional Description

    13
    • 2.5.1 Write Operations

      14
    • 2.5.2 Read Operations

      15
  • 2.6 Initialization

    16
  • 2.7 Auto-Negotiation

    16
  • 2.8 Serial Interface Width Configuration

    16
  • 2.9 Address Translation

    17
  • 2.10 Flow Control

    20
  • 2.11 Reset Considerations

    21
    • 2.11.1 Software Reset Considerations

      21
    • 2.11.2 Hardware Reset Considerations

      21
  • 2.12 Interrupt Support

    21
    • 2.12.1 Interrupt Events and Requests

      21
    • 2.12.2 Writes to Interrupt Pending/Set Register

      22
    • 2.12.3 Remote Interrupts

      23
    • 2.12.4 Serial Bus Error Interrupts

      23
  • 2.13 DMA Event Support

    23
  • 2.14 Power Management

    24
  • 2.15 Emulation Considerations

    24
• 3 VLYNQ Port Registers

  25
  • 3.1 Revision Register (REVID)

    26
  • 3.2 Control Register (CTRL)

    27
  • 3.3 Status Register (STAT)

    29
  • 3.4 Interrupt Priority Vector Status/Clear Register (INTPRI)

    31
  • 3.5 Interrupt Status/Clear Register (INTSTATCLR)

    31
  • 3.6 Interrupt Pending/Set Register (INTPENDSET)

    32
  • 3.7 Interrupt Pointer Register (INTPTR)

    32
  • 3.8 Transmit Address Map Register (XAM)

    33
  • 3.9 Receive Address Map Size 1 Register (RAMS1)

    34
  • 3.10 Receive Address Map Offset 1 Register (RAMO1)

    34
  • 3.11 Receive Address Map Size 2 Register (RAMS2)

    35
  • 3.12 Receive Address Map Offset 2 Register (RAMO2)

    35
  • 3.13 Receive Address Map Size 3 Register (RAMS3)

    36
  • 3.14 Receive Address Map Offset 3 Register (RAMO3)

    36
  • 3.15 Receive Address Map Size 4 Register (RAMS4)

    37
  • 3.16 Receive Address Map Offset 4 Register (RAMO4)

    37
  • 3.17 Chip Version Register (CHIPVER)

    38
  • 3.18 Auto Negotiation Register (AUTNGO)

    38
• 4 Remote Configuration Registers

  39
• Appendix A VLYNQ Protocol Specifications

  40
  • A.1 Special 8b/10b Code Groups

    40
  • A.2 Supported Ordered Sets

    40
    • A.2.1 Idle (/I/)

      41
    • A.2.2 End of Packet (/T/)

      41
    • A.2.3 Byte Disable (/M/)

      41
    • A.2.4 Flow Control Enable (/P/)

      41
    • A.2.5 Flow Control Disable (/C/)

      41
    • A.2.6 Error Indication (/E/)

      41
    • A.2.7 Init0 (/0/)

      41
    • A.2.8 Init1 (/1/)

      41
    • A.2.9 Link (/L/)

      41
  • A.3 VLYNQ 2.0 Packet Format

    41
  • A.4 VLYNQ 2.X Packets

    43
• Appendix B Write/Read Performance

  45
  • B.1 Write Performance

    45
  • B.2 Read Performance

    47
• Appendix C Revision History

  48