Benutzerhandbuch für Texas Instruments TLV320AIC34 Evaluation Module (EVM) and USB motherboard TLV320AIC34EVM-K

Inhaltsverzeichnis

• 1 EVM Overview

  3
  • 1.1 Features

    3
  • 1.2 Introduction

    3
• 2 EVM Description and Basics

  3
  • 2.1 TLV320AIC34EVM-K Block Diagram

    3
    • 2.1.1 USB-MODEVM Interface Board

      4
  • 2.2 Default Configuration and Connections

    5
    • 2.2.1 USB-MODEVM

      5
    • 2.2.2 TLV320AIC34EVM Jumper Locations

      5
  • 2.3 Block A Analog Signal Connections

    6
    • 2.3.1 Block A Analog Inputs

      6
    • 2.3.2 Block A Analog Output

      6
  • 2.4 Block A Digital Signal Connections

    6
    • 2.4.1 Block A Digital Inputs and Outputs

      6
    • 2.4.2 Block A Digital Controls

      7
  • 2.5 Block B Analog Signal Connections

    7
    • 2.5.1 Block B Analog Inputs

      7
    • 2.5.2 Block B Analog Output

      7
  • 2.6 Block B Digital Signal Connections

    7
    • 2.6.1 Block B Digital Inputs and Outputs

      7
    • 2.6.2 Block B Digital Controls

      7
  • 2.7 Power Connections

    7
    • 2.7.1 Stand-Alone Operation

      8
    • 2.7.2 USB-MODEVM Operation

      8
• 3 TLV320AIC34EVM-K Setup and Installation

  8
  • 3.1 Software Installation

    8
  • 3.2 EVM Connections

    9
• 4 TLV320AIC34EVM Software

  10
  • 4.1 I2C Address Selection

    10
  • 4.2 Front Page Indicators and Functions

    11
  • 4.3 Default Configuration (Presets) Tab

    12
  • 4.4 Audio Input/ADC Tab

    13
  • 4.5 Audio Interface Tab

    15
  • 4.6 Clocks Tab

    16
    • 4.6.1 Configuring the codec clocks and Fsref calculation

      16
      • 4.6.1.1 Use Without PLL

        17
      • 4.6.1.2 Use With The PLL

        17
      • 4.6.1.3 Setting the ADC and DAC Sampling Rates

        17
  • 4.7 GPIO Tab

    18
  • 4.8 AGC Tab

    20
  • 4.9 Filters Tab

    22
    • 4.9.1 ADC Filters

      23
      • 4.9.1.1 High Pass Filter

        23
      • 4.9.1.2 Digital Effects Filter - ADC

        23
    • 4.9.2 DAC Filters

      24
      • 4.9.2.1 De-emphasis Filters

        24
      • 4.9.2.2 DAC Digital Effects Filter

        24
    • 4.9.3 Digital Effects Filters

      25
      • 4.9.3.1 Shelf Filters

        25
      • 4.9.3.2 EQ Filters

        26
      • 4.9.3.3 Analog Simulation Filters

        26
      • 4.9.3.4 Preset Filters

        27
      • 4.9.3.5 User Filters

        27
      • 4.9.3.6 3D Effect

        28
  • 4.10 Output Stage Configuration Tab

    29
  • 4.11 DAC/Line Outputs Tab

    31
    • 4.11.1 DAC Controls

      31
    • 4.11.2 Line Output Mixers

      32
  • 4.12 High Power Outputs Tab

    33
  • 4.13 Command Line Interface Tab

    34
• Appendix A EVM Connector Descriptions

  36
  • A.1 Analog Interface Connectors

    36
    • A.1.1 Block B Analog Dual Row Header Details (J13 and J14)

      36
    • A.1.2 Block A Analog Input/Output Connectors

      37
  • A.2 Block A and Block B Digital Interface Connectors (J16 and J17)

    38
  • A.3 Power Supply Connector Pin Header, J15

    39
• Appendix B TLV320AIC34EVM Schematic

  40
• Appendix C TLV320AIC34EVM Layout Views

  45
• Appendix D TLV320AIC34EVM Bill of Materials

  48
• Appendix E USB-MODEVM Schematic

  49
• Appendix F USB-MODEVM Bill of Materials

  52
• Appendix G USB-MODEVM Protocol

  54
  • G.1 USB-MODEVM Protocol

    54
  • G.2 GPIO Capability

    57
  • G.3 Writing Scripts

    57
• Important Notices

  60