ユーザーズマニュアル目次PC-DIO-24/PnP User Manual1Support2Internet2Bulletin Board2Fax-on-Demand2Telephone (USA)2International Offices2Corporate Headquarters2Important Information3Warranty3Copyright3Trademarks3Warning3FCC/DOC Radio Frequency Interference Class A Compliance4Contents5About This Manual9Organization of This Manual9Conventions Used in This Manual10National Instruments Documentation12Related Documentation13Customer Communication13Chapter 1 Introduction14About the PCDIO24/PnP14What You Need to Get Started15Software Programming Choices15National Instruments Application Software15NIDAQ Driver Software16Register-Level Programming17Optional Equipment18Custom Cables18Unpacking20Chapter 2 Installation and Configuration21Installation21Hardware Configuration22Plug and Play22Base I/O Address and Interrupt Selection23Chapter 3 Signal Connections24I/O Connector24Signal Descriptions26Port C Pin Assignments26Digital I/O Signal Connections27Power Connections30Digital I/O Power-up State Selection30High DIO Power-up State30Low DIO Power-up State32Timing Specifications33Mode 1 Input Timing35Mode 1 Output Timing36Mode 2 Bidirectional Timing37Chapter 4 Theory of Operation38Functional Overview38Bus Transceivers39Bus Interface39Interrupt Control Circuitry3982C55A Programmable Peripheral Interface39Digital I/O Connector40Appendix A Specifications41Appendix B OKI 82C55A Data Sheet44Appendix C Register-Level Programming61Introduction61Register Map63Register Description for the 82C55A63Register Description for the Interrupt Control Reg...65Programming Considerations for the 82C55A68Modes of Operation for the 82C55A68Mode 068Mode 168Mode 269Single Bit Set/Reset Feature69Mode 0—Basic I/O69Mode 0 Programming Example70Mode 1—Strobed Input71Mode 1 Input Programming Example73Mode 1—Strobed Output74Mode 1 Output Programming Example76Mode 2—Bidirectional Bus77Mode 2 Programming Example79Interrupt Programming Examples for the 82C55A80Interrupt Handling82Appendix D Using Your PC DIO 24 (Non PnP) Board84Differences between the PCDIO24PnP and thePCDI...84Configuration85Base I/O Address Settings86Interrupt Selection88Interrupt Enable Settings89Interrupt Level Settings89Installation90Appendix E Customer Communication91Glossary96Index102Figures7Figure 1-1. The Relationship between the Programmi...17Figure 2-1. Jumper W1 Location21Figure 3-1. Digital I/O Connector Pin Assignments25Figure 3-2. Digital I/O Connections29Figure 3-3. DIO Channel Configured for High DIO Po...31Figure 3-4. DIO Channel Configured for Low DIO Pow...32Figure 3-5. Mode 1 Timing Specification for Input ...35Figure 3-6. Mode 1 Timing Specification for Output...36Figure 3-7. Mode 2 Timing Specification for Bidire...37Figure 4-1. PC DIO 24/PnP Block Diagram38Figure C-1. Control Word Formats for the 82C55A64Figure C-2. Port C Pin Assignments, Mode 1 Input73Figure C-3. Port C Pin Assignments, Mode 1 Output76Figure C-4. Port A Configured as a Bidirectional D...77Figure C-5. Port C Pin Assignments, Mode 279Figure D-1. PCDIO24 Parts Locator Diagram86Figure D-2. Example Base I/O Address Switch Settin...87Figure D-3. Interrupt Enable Jumper Settings89Figure D-4. Interrupt Jumper Setting for IRQ5 (Fac...89Tables8Table 3-1. Signal Descriptions26Table 3-2. Port C Signal Assignments27Table 3-3. Timing Signal Descriptions33Table C-1. PCDIO24/PnP Address Map63Table C-2. Port C Set/Reset Control Words65Table C-3. Mode 0 I/O Configurations69Table D-1. Comparison of Characteristics84Table D-2. PCDIO24 Factory-Set Jumper and Switch...85Table D-3. Example Switch Settings with Correspond...88サイズ: 1000KBページ数: 107Language: Englishマニュアルを開く