National Instruments PC-DIO-24/PnP User Manual page 7

Mode 1-Strobed Input.................................................................................. C-11
Mode 1-Strobed Output ............................................................................... C-14
Mode 2-Bidirectional Bus............................................................................ C-17
Interrupt Programming Examples for the 82C55A ........................................ C-20
Interrupt Handling......................................................................................................... C-22
Appendix D
Register-Level Programming
Differences between the PC-DIO-24PnP and the PC-DIO-24 ..................................... D-1
Configuration ................................................................................................................ D- 2
Base I/O Address Settings .............................................................................. D-3
Interrupt Selection .......................................................................................... D-5
Installation .................................................................................................................... D-7
Appendix E
Customer Communication
Glossary
Index
Figures
Figure 1-1.
Figure 2-1.
Figure 3-1.
Figure 3-2.
Figure 3-3.
Figure 3-4.
Figure 3-5.
Figure 3-6.
© National Instruments Corporation
Mode 1 Input Programming Example.............................................. C-13
Mode 1 Output Programming Example ........................................... C-16
Mode 2 Programming Example ....................................................... C-19
Interrupt Enable Settings.................................................................. D-6
Interrupt Level Settings.................................................................... D-6
The Relationship between the Programming Environment,
NI-DAQ, and Your Hardware ............................................................... 1-4
Jumper W1 Location.............................................................................. 2-1
Digital I/O Connector Pin Assignments ................................................ 3-2
Digital I/O Connections ......................................................................... 3-6
DIO Channel Configured for High DIO Power-up State
with External Load................................................................................. 3-8
DIO Channel Configured for Low DIO Power-up State
with External Load................................................................................. 3-9
Mode 1 Timing Specification for Input Transfers ................................. 3-12
Mode 1 Timing Specification for Output Transfers .............................. 3-13
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Contents
PC-DIO-24/PnP User Manual