Document Outline

• PC-DIO-24/PnP User Manual
• Support
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• Important Information
  • Warranty
  • Copyright
  • Trademarks
  • Warning
• FCC/DOC Radio Frequency Interference Class A Compliance
• Contents
• About This Manual
  • Organization of This Manual
  • Conventions Used in This Manual
  • National Instruments Documentation
  • Related Documentation
  • Customer Communication
• Chapter 1 Introduction
  • About the PCDIO24/PnP
  • What You Need to Get Started
  • Software Programming Choices
    • National Instruments Application Software
    • NIDAQ Driver Software
    • Register-Level Programming
  • Optional Equipment
    • Custom Cables
  • Unpacking
• Chapter 2 Installation and Configuration
  • Installation
  • Hardware Configuration
    • Plug and Play
      • Base I/O Address and Interrupt Selection
• Chapter 3 Signal Connections
  • I/O Connector
  • Signal Descriptions
    • Port C Pin Assignments
  • Digital I/O Signal Connections
  • Power Connections
  • Digital I/O Power-up State Selection
    • High DIO Power-up State
    • Low DIO Power-up State
  • Timing Specifications
    • Mode 1 Input Timing
    • Mode 1 Output Timing
    • Mode 2 Bidirectional Timing
• Chapter 4 Theory of Operation
  • Functional Overview
    • Bus Transceivers
    • Bus Interface
    • Interrupt Control Circuitry
    • 82C55A Programmable Peripheral Interface
    • Digital I/O Connector
• Appendix A Specifications
• Appendix B OKI 82C55A Data Sheet
• Appendix C Register-Level Programming
  • Introduction
  • Register Map
    • Register Description for the 82C55A
    • Register Description for the Interrupt Control Reg...
  • Programming Considerations for the 82C55A
    • Modes of Operation for the 82C55A
      • Mode 0
      • Mode 1
      • Mode 2
      • Single Bit Set/Reset Feature
    • Mode 0—Basic I/O
      • Mode 0 Programming Example
    • Mode 1—Strobed Input
      • Mode 1 Input Programming Example
    • Mode 1—Strobed Output
      • Mode 1 Output Programming Example
    • Mode 2—Bidirectional Bus
      • Mode 2 Programming Example
    • Interrupt Programming Examples for the 82C55A
  • Interrupt Handling
• Appendix D Using Your PC DIO 24 (Non PnP) Board
  • Differences between the PCDIO24PnP and thePCDI...
  • Configuration
    • Base I/O Address Settings
    • Interrupt Selection
      • Interrupt Enable Settings
      • Interrupt Level Settings
  • Installation
• Appendix E Customer Communication
• Glossary
• Index
• Figures
  • Figure 1-1. The Relationship between the Programmi...
  • Figure 2-1. Jumper W1 Location
  • Figure 3-1. Digital I/O Connector Pin Assignments
  • Figure 3-2. Digital I/O Connections
  • Figure 3-3. DIO Channel Configured for High DIO Po...
  • Figure 3-4. DIO Channel Configured for Low DIO Pow...
  • Figure 3-5. Mode 1 Timing Specification for Input ...
  • Figure 3-6. Mode 1 Timing Specification for Output...
  • Figure 3-7. Mode 2 Timing Specification for Bidire...
  • Figure 4-1. PC DIO 24/PnP Block Diagram
  • Figure C-1. Control Word Formats for the 82C55A
  • Figure C-2. Port C Pin Assignments, Mode 1 Input
  • Figure C-3. Port C Pin Assignments, Mode 1 Output
  • Figure C-4. Port A Configured as a Bidirectional D...
  • Figure C-5. Port C Pin Assignments, Mode 2
  • Figure D-1. PCDIO24 Parts Locator Diagram
  • Figure D-2. Example Base I/O Address Switch Settin...
  • Figure D-3. Interrupt Enable Jumper Settings
  • Figure D-4. Interrupt Jumper Setting for IRQ5 (Fac...
• Tables
  • Table 3-1. Signal Descriptions
  • Table 3-2. Port C Signal Assignments
  • Table 3-3. Timing Signal Descriptions
  • Table C-1. PCDIO24/PnP Address Map
  • Table C-2. Port C Set/Reset Control Words
  • Table C-3. Mode 0 I/O Configurations
  • Table D-1. Comparison of Characteristics
  • Table D-2. PCDIO24 Factory-Set Jumper and Switch...
  • Table D-3. Example Switch Settings with Correspond...