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Table of Contents
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National Instruments Corporation vii PCI-DIO-96 User Manual
Single Bit Set/Reset Feature ............................................................6-8
Mode 0–Basic I/O...........................................................................................6-8
Mode 0 Basic I/O Programming Example.......................................6-10
Mode 1–Strobed Input....................................................................................6-10
Port C Status-Word Bit Definitions for Input (Ports A and B)........6-12
Mode 1 Strobed Input Programming Example ................................6-13
Mode 1–Strobed Output .................................................................................6-13
Port C Status-Word Bit Definitions for Output (Ports A and B) .....6-15
Mode 1 Strobed Output Programming Example..............................6-16
Mode 2–Bidirectional Bus..............................................................................6-16
Port C Status-Word Bit Definitions for Bidirectional Data Path
(Port A Only).................................................................................6-18
Mode 2 Bidirectional Bus Programming Example..........................6-19
Interrupt Handling.........................................................................................................6-20
Interrupt Programming Examples for the 82C55A ........................................6-20
Mode 1 Strobed Input Programming Example ................................6-21
Mode 1 Strobed Output Programming Example..............................6-21
Mode 2 Bidirectional Bus Programming Example..........................6-21
Programming Considerations for the 82C53 ................................................................6-22
General Information .......................................................................................6-22
Interrupt Programming Example....................................................................6-22
Appendix A
Specifications
Appendix B
MSM82C55A Data Sheet
Appendix C
MSM82C53 Data Sheet
Appendix D
Customer Communication
Glossary
Index