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320174B-01
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OKI 82C55A Data Sheet
Appendix D
Lab-NB User Manual
D-2
© National Instruments Corporation
Contents
Main
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Limited Warranty
Copyright
Trademarks
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Contents
About This Manua l
Chapter 1 Introductio n
Chapter 2 Configuration and Installatio n
Chapter 3 Theory
Chapter 4 Register-Level Programmin g
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Figures
Tables
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About This Manual
Organization of This Manual
Conventions Used in This Manual
National Instruments Documentation
Related Documentation
Customer Communication
Chapter 1 Introduction
About the Lab-NB
What You Need to Get Started
Software Programming Choices
LabVIEW and LabWindows/CVI Application Software
NI-DAQ Driver Software
Register-Level Programming
Optional Equipment
Cabling
Unpacking
Chapter 2 Configuration and Installation
Board Configuration
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Factory Default Jumper Settings
Analog Output Configuration
Analog Input Configuration
Installation
Signal Connections
I/O Connector Pin Description
Configuration and Installation Chapter 2
Lab-NB User Manual 2-6 National Instruments Corporation
Figure 2-6. Lab-NB I/O Connector Pin Assignments
Signal Connection Descriptions
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The following signals are used in the timing diagrams shown later in this chapter:
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Configuration and Installation Chapter 2
Lab-NB User Manual 2-24 National Instruments Corporation
National Instruments Corporation 3-1 Lab-NB User Manual
Chapter 3 Theory of Operation
Figure 3-1. Lab-NB Block Diagram
Functional Overview
The block diagram in Figure 3-1 shows a functional overview of the Lab-NB board.
NuBus Interface Circuitry
Chapter 3 Theory of Operation
National Instruments Corporation 3-3 Lab-NB User Manual
Analog Input and DAQ Circuitry
Figure 3-3. Analog Input and DAQ Circuitry Block Diagram
Analog Input Circuitry
DAQ Timing Circuitry
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Analog Output Circuitry
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Digital I/O Circuitry
Theory of Operation Chapter 3
Lab-NB User Manual 3-10 National Instruments Corporation
Timing I/O Circuitry
Figure 3-6. Timing I/O Circuitry Block Diagram
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Chapter 4 Register-Level Programming
Register Access
Slot Address Space
Register Map
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Register Sizes
Register Descriptions
Register Description Format
Analog Input Register Group
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8253 Counter/Timer Register Groups
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82C55A Digital I/O Register Group
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Configuration EPROM
Programming Considerations
Register Programming Considerations
Initializing the Lab-NB Board
Programming the Analog Input Circuitry
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Programming Multiple A/D Conversions on a Single Input Channel
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External Timing Considerations for Multiple A/D Conversions
Programming Multiple A/D Conversions Using External Timing
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Programming Multiple A/D Conversions with Channel Scanning
Interrupt Programming for the Analog Input Circuitry
Programming the Analog Output Circuitry
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Interrupt Programming for the Analog Output Circuitry
Programming the Digital I/O Circuitry
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Chapter 4 Register-Level Programming
National Instruments Corporation 4-57 Lab-NB User Manual
Figure 4-1. Control-Word Format with Control-Word Flag Set to 1
Figure 4-2. Control-Word Format with Control-Word Flag Set to 0
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Interrupt Programming for the Digital I/O Circuitry
Chapter 5 Calibration
Calibration Equipment Requirements
Calibration Trimpots
Analog Input Calibration
Board Configuration
Bipolar Input Calibration Procedure
Unipolar Input Calibration Procedure
Analog Output Calibration
Board Configuration
Bipolar Output Calibration Procedure
Unipolar Output Calibration Procedure
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Appendix A Specifications
Analog Input
Explanation of Analog Input Specifications
Analog Data Acquisition
Analog Output
Explanation of Analog Output Specifications
Digital I/O
Timing I/O
Power Requirements (from Macintosh NuBus)
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National Instruments Corporation B-1 Lab-NB User Manual
Appendix B I/O Connector
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Appendix E Customer Communication
Technical Support Form
Lab-NB Hardware and Software Configuration Form
National Instruments Products
Other Products
Documentation Comment Form
Glossary
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Index
Numbers/Symbols
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