用户手册 — Texas Instruments TSC2301EVM Evaluation Module TSC2301EVM

目录

• IMPORTANT NOTICE

  2
• EVM IMPORTANT NOTICE

  3
• EVM WARNINGS AND RESTRICTIONS

  4
• Read This First

  5
  • About This Manual

    5
  • How to Use This Manual

    5
  • Information About Cautions and Warnings

    5
  • Related Documentation From Texas Instruments

    6
  • If You Need Assistance

    6
  • FCC Warning

    6
  • Trademarks

    6
• Contents

  7
• Figures

  8
• Tables

  8
• Introduction

  9
  • Device Characteristics

    10
  • EVM Block Diagram

    10
  • Analog Inputs/Outputs

    11
  • Power Requirements

    11
  • Computer Requirements

    11
• Getting Started

  13
  • Unpacking the EVM

    14
  • Default Configuration

    14
  • Quick Start

    14
• Operation

  17
  • Jumpers

    18
    • SPI POL Select

      18
    • LINE IN Attenuator

      18
    • MIC BIAS Selection

      18
    • Power Supply Selection

      18
    • EEPROM A1 Select

      19
  • I/O Connector and Signals

    19
    • GPIO Connector

      19
    • Mono Out Connector

      19
    • Audio Connectors

      19
    • USB Connector

      20
    • External Power Connectors

      20
    • Audio Data (I2S) Connector

      21
    • External SPI Connector

      21
    • Touch Screen Connectors

      21
    • Analog Input Connector

      22
  • Circuit Description

    22
    • USB Interface and Microprocessor

      22
    • Power Supply

      23
    • Touch Screen and Analog Inputs

      23
    • Keyboard Interface

      24
    • LCD BIas D/A Converter Circuit

      24
    • Audio Interface Circuitry

      24
  • Program Description

    25
    • Human Interface Screen

      25
      • Touch Screen Section

        26
      • Keypad Section

        26
    • Configuration Screen

      26
      • ADC Control Section

        27
      • Reference Section

        28
      • DAC Section

        28
    • Data Acquisition Screen

      29
    • Audio Screen

      29
      • ADC Section

        30
      • DAC Section

        31
      • Bypass Section

        31
      • Output Section

        31
    • Bass Boost Filter Screen

      32
• Physical Description

  33
  • Component Locations

    34
  • Bill of Materials

    35
  • Schematics

    37