Contents
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National Instruments Corporation
ix
Internal REQ Signal Source ............................................................................3-1
External REQ Signal Source ...........................................................................3-2
Comparing the Different Handshaking Protocols ...........................................3-4
Using the Burst Protocol .................................................................................3-5
Using Asynchronous Protocols .......................................................................3-11
Using the 8255-Emulation Protocol ................................................................3-11
Using the Level-ACK Protocol .......................................................................3-17
Using Protocols Based on Signal Edges..........................................................3-22
Using the Trailing-Edge Protocol....................................................................3-22
Appendix B
Using PXI with CompactPCI
Appendix C
Connecting Signals with Accessories
Appendix D
Hardware Considerations
Appendix E
Optimizing Your Transfer Rates