National Instruments 653X - Manual (Page 9)

Contents
© National Instruments Corporation ix 653X User Manual
External REQ Signal Source ...........................................................................3-2
Handshaking I/O Timing Diagrams...............................................................................3-4
Comparing the Different Handshaking Protocols ...........................................3-4
Using the Burst Protocol .................................................................................3-5
Using Asynchronous Protocols .......................................................................3-12
Using the 8255-Emulation Protocol ................................................................3-12
Using the Level-ACK Protocol .......................................................................3-18
Using Protocols Based on Signal Edges..........................................................3-24
Using the Trailing-Edge Protocol....................................................................3-25
Appendix A
Specifications
Appendix B
Using PXI with CompactPCI
Appendix C
Connecting Signals with Accessories
Appendix D
Hardware Considerations
Appendix E
Optimizing Your Transfer Rates
Appendix F
Technical Support Resources
Glossary
Index