Benutzerhandbuch für Texas Instruments AFE4400 Evaluation Module AFE4400SPO2EVM

Inhaltsverzeichnis

• AFE4400 and AFE4490 Development Guide

  1
  • 1 AFE44x0SPO2EVM Overview

    3
    • 1.1 Important Disclaimer Information

      3
  • 2 Overview

    4
    • 2.1 Introduction

      4
    • 2.2 Features Supported in this Version

      4
  • 3 Software Installation

    5
    • 3.1 Minimum Requirements

      5
      • 3.1.1 Required Setup for AFE44x0SPO2EVM Demo Software

        5
      • 3.1.2 Additional Software Requirements

        5
    • 3.2 Installing the Software (PC Application)

      5
    • 3.3 Installing the USB Drivers

      9
  • 4 Running the Software

    12
    • 4.1 Overview of the Features

      12
      • 4.1.1 Device Configuration Tab

        13
        • 4.1.1.1 Global Settings Subtab

          13
        • 4.1.1.2 Tx Stage Subtab

          16
        • 4.1.1.3 Rx Stage Subtab

          16
        • 4.1.1.4 Timing Controls Subtab

          18
        • 4.1.1.5 Low Level Configuration Subtab

          20
      • 4.1.2 ADC Capture and Analysis

        20
      • 4.1.3 % SpO2 and HR Display

        23
      • 4.1.4 Save Tab

        24
  • 5 AFE44x0SPO2EVM Hardware

    25
    • 5.1 Power Supply

      27
    • 5.2 Clock

      27
    • 5.3 Accessing AFE44x0 Digital Signals

      28
    • 5.4 Analog Inputs

      28
    • 5.5 USB Interface

      28
    • 5.6 On-board Key Interface

      28
    • 5.7 Visual Indication

      29
  • 6 USB-Based Firmware Upgrade

    29
  • 7 Connector Interface

    31
    • 7.1 DB9 Pulse Oximeter Connector

      31
    • 7.2 Mini USB Connector

      32
  • 8 Quick Start Guide

    33
  • 9 AFE44x0SPO2EVM FAQs

    35
    • 9.1 EVM communicating with the PC application

      35
    • 9.2 ADC_RDY signal

      35
    • 9.3 Check TXP and TXM Waveforms

      36
    • 9.4 Using an external ADC (Bypass ADC mode) (Available only for AFE4490 device)

      37
    • 9.5 Diagnostics

      37
    • 9.6 Automation of Register Read and Write Operations

      37
  • 10 Bill of Materials

    38
  • 11 PCB Layouts and Schematics

    41
    • 11.1 AFE44x0SPO2EVM PCB Layouts

      41
    • 11.2 AFE44x0SPO2EVM Schematics

      46
• Important Notices

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