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© National Instruments Corporation
v PC-DIO-96 User Manual
Contents
Chapter 1
About This Manual
............................................................................................................ v
Organization of This Manual ........................................................................................ v
Conventions Used in This Manual ................................................................................ vi
National Instruments Documentation ............................................................................ vii
Related Documentation ................................................................................................. vii
Chapter 1
Introduction
.......................................................................................................................... 1-1
About the PC-DIO-96 ................................................................................................... 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
Cabling .............................................................................................................. 1-4
Unpacking ..................................................................................................................... 1-5
Chapter 2
Configuration and Installation
..................................................................................... 2-1
Board Configuration ...................................................................................................... 2-1
Base I/O Address Settings ................................................................................. 2-2
Interrupt Level Selection ................................................................................... 2-5
Installation ..................................................................................................................... 2-5
Signal Connections ........................................................................................................ 2-6
I/O Connector Pin Description .......................................................................... 2-7
I/O Connector Signal Connection Descriptions ................................................ 2-8
Port C Pin Assignments ......................................................................... 2-8
Cable Assembly Connectors ............................................................................. 2-9
Digital I/O Signal Connections ......................................................................... 2-12
Power Connections ............................................................................................ 2-13
Timing Specifications........................................................................................ 2-14
Mode 1 Input Timing ............................................................................ 2-15
Mode 1 Output Timing .......................................................................... 2-16
Mode 2 Bidirectional Timing ................................................................ 2-17
Chapter 3
Theory of Operation
.......................................................................................................... 3-1
Data Transceivers .......................................................................................................... 3-2
PC I/O Channel Control Circuitry ................................................................................. 3-2
82C55A Programmable Peripheral Interface ................................................................ 3-2
8253 Programmable Interval Timer .............................................................................. 3-2
Interrupt Control Circuitry ............................................................................................ 3-2
Digital I/O Connector .................................................................................................... 3-3