用户手册 — Texas Instruments BUF16821 Evaluation Module USB BUF16821EVM-USB

目录

• BUF16821EVM-USB Evaluation Board and Software Tutorial

  1
  • 1 Overview

    2
    • 1.1 BUF16821EVM-USB Kit Contents

      3
    • 1.2 Related Documentation from Texas Instruments

      4
  • 2 BUF16821EVM-USB Hardware Setup

    4
    • 2.1 Theory of Operation for BUF16821 Hardware

      5
    • 2.2 Signal Definitions of J1 (25-Pin Male DSUB)

      6
      • 2.2.1 Theory of Operation for USB_DIG_Platform

        7
  • 3 BUF16821EVM-USB Software

    7
    • 3.1 Electrostatic Discharge Warning

      7
    • 3.2 Typical Hardware Connections

      8
    • 3.3 Connecting the Hardware

      9
    • 3.4 Connecting Power

      9
    • 3.5 Connecting the USB Cable to the USB_DIG_Platform

      10
    • 3.6 BUF16821EVM-USB Default Jumper Settings

      11
    • 3.7 BUF16821EVM-USB Features

      13
      • 3.7.1 BKSEL: OTP Bank Selection Switch

        13
      • 3.7.2 JMP1: I2C SCK Control Setting

        13
      • 3.7.3 JMP2: VSD Control Setting

        13
      • 3.7.4 JMP3: BKSEL Control Setting

        13
      • 3.7.5 JMP4: I2C SDA Control Setting

        13
      • 3.7.6 JMP5: I2C Address Hardware Setting

        14
      • 3.7.7 BUF16821 Device Placement

        14
      • 3.7.8 Terminal Strip TPG1

        14
  • 4 BUF16821EVM-USB Software

    14
    • 4.1 Hardware Requirements

      14
    • 4.2 Software Installation

      14
    • 4.3 Software Description and Set-Up

      17
  • 5 BUF16821EVM-USB Software Overview

    17
    • 5.1 Starting the BUF16821EVM-USB Software

      17
    • 5.2 Using the BUF16821Software

      18
      • 5.2.1 I2C Address Selection

        18
      • 5.2.2 Measuring the Power Supply

        19
      • 5.2.3 Read DAC Button

        19
      • 5.2.4 Write DAC Button

        20
      • 5.2.5 Reset Button

        20
      • 5.2.6 Save to File Button

        21
      • 5.2.7 Load From File Button

        23
      • 5.2.8 Changing the DAC/VCOM Analog Voltage

        23
      • 5.2.9 Run Batch Button

        24
      • 5.2.10 Control Panel Button

        25
      • 5.2.11 Program OTP All Channels Button

        25
  • 6 Hardware and Schematic

    25
    • 6.1 Schematic

      26
    • 6.2 PCB Layouts

      27
    • 6.3 Bill of Materials

      28
• Important Notices

  29