AMD HYPERTRANSPORT 8151 User Manuals

Table of Contents

• Cover page

  1
• 1 Overview

  1
  • 1.1 Device Features

    1
• Table of Contents

  3
• List of Figures

  4
• List of Tables

  5
• 2 Ordering Information

  6
• 3 Signal Descriptions

  6
  • 3.1 Terminology

    6
  • 3.2 Tunnel Link Signals

    7
  • 3.3 AGP Signals

    8
  • 3.4 Test and Miscellaneous Signals

    10
  • 3.5 Power and Ground

    10
    • 3.5.1 Power Plane Sequencing

      10
• 4 Functional Operation

  11
  • 4.1 Overview

    11
  • 4.2 Reset And Initialization

    11
  • 4.3 Clocking

    11
    • 4.3.1 Clock Gating

      11
  • 4.4 Tunnel Links

    12
    • 4.4.1 Link PHY

      12
  • 4.5 AGP

    12
    • 4.5.1 Tags, UnitIDs, And Ordering

      12
    • 4.5.2 Various Behaviors

      13
      • 4.5.2.1 AGP Compensation And Calibration Cycles

        13
• 5 Registers

  14
  • 5.1 Register Overview

    14
    • 5.1.1 Configuration Space

      14
    • 5.1.2 Register Naming and Description Conventions

      14
  • 5.2 AGP Device Configuration Registers

    15
  • 5.3 AGP Bridge Configuration Registers

    30
• 6 Electrical Data

  34
  • 6.1 Absolute Ratings

    34
  • 6.2 Operating Ranges

    34
  • 6.3 DC Characteristics

    35
  • 6.4 AC Characteristics

    37
• 7 Ball Designations

  39
• 8 Package Specification

  42
• 9 Test

  43
  • 9.1 High Impedance Mode

    43
  • 9.2 NAND Tree Mode

    43
• 10 Appendix

  45
  • 10.1 Revision History

    45