National Instruments PC-DIO-96

Appendix C AMD 8253 Data Sheet

Contents

Main Page Limited Warranty Copyright Trademarks Page Contents About This Manual Introduction Chapter 2 Configuration and Installation Chapter 3 Theory of Operation Page Figures Tables Contents About This Manual Introduction Chapter 2 Configuration and Installation Chapter 3 Theory of Operation Page Figures Tables About This Manual Organization of This Manual Conventions Used in This Manual National Instruments Documentation Related Documentation Customer Communication Chapter 1 Introduction About the PC-DIO-96 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 Base I/O Address Settings Page Page Interrupt Level Selection Installation Signal Connections Chapter 2 Configuration and Installation National Instruments Corporation 2-7 PC-DIO-96 User Manual I/O Connector Pin Description Figure 2-4 shows the pin assignments for the PC-DIO-96 digital I/O connector. Figure 2-4. Digital I/O Connector Pin Assignments I/O Connector Signal Connection Descriptions Cable Assembly Connectors Configuration and Installation Chapter 2 PC-DIO-96 User Manual 2-10 National Instruments Corporation Figure 2-5. Cable-Assembly Connector Pinout for Pins 1 through 50 of the PC-DIO-96 I/O Connector Chapter 2 Configuration and Installation National Instruments Corporation 2-11 PC-DIO-96 User Manual Figure 2-6. Cable-Assembly Connector Pinout for Pins 51 through 100 of the PC-DIO-96 I/O Connector Digital I/O Signal Connections Power Connections Timing Specifications Page Page Page Chapter 3 National Instruments Corporation 3-1 PC-DIO-96 User Manual Theory of Operation I/O Connector PC I/O Channel Data Transceivers PC I/O Channel Control Circuitry 82C55A Programmable Peripheral Interface 8253 Programmable Interval Timer Interrupt Control Circuitry Digital I/O Connector Chapter 4 Register-Level Programming Introduction Register Map Chapter 4 Register-Level Programming National Instruments Corporation 4-3 PC-DIO-96 User Manual Register Descriptions Figure 4-1. Control Word Formats for the 82C55A Register Description for the 82C55A a. Mode Set Word Format b. Bit Set/Reset Word Format Register Description for the 8253 Page Page Page Page Programming Considerations for the 82C55A Modes of Operation for the 82C55A Mode 0Basic I/O Page Mode 1Strobed Input Page Page Mode 1Strobed Output Page Mode 2Bidirectional Bus Page Interrupt Programming Examples for the 82C55A Page Programming Considerations for the 8253 General Information Interrupt Programming Example for the 8253 Page Page Page Page Page Interrupt Handling Appendix A Specifications Digital I/O Digital Logic Levels Input Signals Environment Physical Power Requirement (from PC I/O Channel) Transfer Rates Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Appendix D Customer Communication Technical Support Form PC-DIO-96 Hardware and Software Configuration Form National Instruments Products Other Products Documentation Comment Form Glossary