Network Card User Manual
Table Of Contents
- PC-DIO-24 User Manual
- Contents
- About This Manual
- Chapter 1 Introduction
- Chapter 2 Configuration and Installation
- Chapter 3 Theory of Operation
- Chapter 4 Register-Level Programming
- Appendix A Specifications
- Appendix B I/O Connector
- Appendix C OKI 82C55A Data Sheet*
- Appendix D Customer Communication
- Glossary
- Index
- Figures
- Figure 1-1. The Relationship between the Programming Environment, NI-DAQ, and Your Hardware
- Figure 2-1. PC-DIO-24 Parts Locator Diagram
- Figure 2-2. Example Base I/O Address Switch Settings
- Figure 2-3. Jumper Settings–PC6, PC4, PC2, and N/C
- Figure 2-4. Interrupt Jumper Setting for IRQ5 (Factory Setting)
- Figure 2-5. Digital I/O Connector Pin Assignments
- Figure 3-1. PC-DIO-24 Block Diagram
- Figure 4-1. Control-Word Formats
- Figure B-1. PC-DIO-24 I/O Connector
- Tables
- Table 2-1. PC-DIO-24 Factory-Set Jumper and Switch Settings
- Table 2-2. Port C Signal Assignments
- Table 4-1. PC-DIO-24 Address Map
- Table 4-2. Port C Set/Reset Control Words
- Table 4-3. Mode 0 I/O Configurations
- Table 4-4. Interrupt Enable Signals for All Mode Combinations
- Table A-1. Maximum Average Transfer Rates for the PC-DIO-24
© National Instruments Corporation vii PC-DIO-24 User Manual
Contents
About This Manual............................................................................................................. xi
Organization of This Manual ......................................................................................... xi
Conventions Used in This Manual................................................................................. xii
National Instruments Documentation ............................................................................ xii
Related Documentation.................................................................................................. xiii
Customer Communication ............................................................................................. xiii
Chapter 1
Introduction
.......................................................................................................................... 1-1
About the PC-DIO-24 .................................................................................................... 1-1
What You Need to Get Started ...................................................................................... 1-2
Software Programming Choices .................................................................................... 1-2
LabVIEW and LabWindows/CVI Application Software .................................. 1-2
NI-DAQ Driver Software................................................................................... 1-3
Register-Level Programming............................................................................. 1-4
Optional Equipment ....................................................................................................... 1-4
Custom Cables ................................................................................................... 1-4
Unpacking ...................................................................................................................... 1-6
Chapter 2
Configuration and Installation
...................................................................................... 2-1
Board Configuration ...................................................................................................... 2-1
Base I/O Address Settings.................................................................................. 2-2
Interrupt Selection.............................................................................................. 2-4
Interrupt Enable Settings........................................................................ 2-4
Interrupt Level Settings.......................................................................... 2-4
Installation...................................................................................................................... 2-5
Signal Connections ........................................................................................................ 2-6
I/O Connector Pin Description........................................................................... 2-6
Signal Connection Descriptions......................................................................... 2-7
Port C Pin Assignments ......................................................................... 2-7
Timing Specifications ........................................................................................ 2-8
Mode 1 Input Timing ............................................................................. 2-9
Mode 1 Output Timing .......................................................................... 2-10
Mode 2 Bidirectional Timing................................................................. 2-11
Chapter 3
Theory of Operation
.......................................................................................................... 3-1
Address Decoder ............................................................................................................ 3-2
Bus Transceivers ............................................................................................................ 3-2
PC I/O Channel Control Circuitry ................................................................................. 3-2
82C55A Programmable Peripheral Interface ................................................................ 3-2
Interrupt Control Circuitry ............................................................................................. 3-2
Digital I/O Connector..................................................................................................... 3-2