用户手册 — Omega Engineering OME-A8111

目录

• Introduction

  6
  • General Description

    6
  • Features

    6
  • Specifications

    7
    • Power Consumption

      7
    • Analog Inputs

      7
    • A/D Converter

      7
    • DA Converter

      8
    • Digital I/O

      8
    • Interrupt Channel

      8
    • Programmable Timer/Counter

      9
    • Applications

      9
  • Product Check List

    9
• Hardware Configuration

  10
  • Board Layout

    10
  • I/O Base Address Setting

    11
  • Jumper Setting

    12
    • JP1 : D/A Internal Reference Voltage Selection

      12
  • I/O Register Address

    13
    • The 8254 Counter

      14
    • A/D Input Buffer Register

      14
    • D/A Output Latch Register

      15
    • D/I Input Buffer Register

      15
    • Clear Interrupt Request

      16
    • A/D Gain Control Register

      16
    • A/D Multiplex Control Register

      17
    • A/D Mode Control Register

      18
    • A/D Software Trigger Control Register

      19
    • D/O Output Latch Register

      20
  • Digital I/O

    21
  • 8254 Timer/Counter

    22
  • A/D Conversion

    23
    • A/D conversion flow

      24
    • A/D Conversion Trigger Modes

      24
    • A/D Transfer Modes

      25
    • Using software trigger and polling transfer

      25
  • D/A Conversion

    26
  • Analog Input Signal Connection

    27
  • Pin Assignment

    28
  • Daughter Board

    30
    • OME-CA-4002

      30
    • OME-DB-16P

      30
    • OME-DB-16R

      30
    • OME-DB-37

      30
• Calibration

  31
  • Calibration VR Description

    31
  • D/A Calibration Steps

    32
  • A/D Calibration Steps

    32
  • DI/O Testing

    32