National Instruments 653 Series User Manual page 7

Contents
Starting and Stopping Data Transfer-Triggering.......................................... 2-8
Choosing Continuous or Finite Data Transfer ................................................ 2-11
Monitoring Data Transfer ............................................................................... 2-12
Connecting Signals ......................................................................................... 2-13
Creating a Program ......................................................................................... 2-14
Transferring Data Between Two Devices-Handshaking I/O ...................................... 2-17
Choosing the Width of Data to Transfer ......................................................... 2-17
Deciding Data Transfer Direction................................................................... 2-17
Deciding Which Handshaking Protocol to Use .............................................. 2-17
Using the Burst Protocol ................................................................................. 2-18
Selecting ACK/REQ Signal Polarity .............................................................. 2-19
Choosing Whether to Use a Programmable Delay ......................................... 2-19
Choosing Continuous or Finite Data Transfer ................................................ 2-20
Connecting Signals ......................................................................................... 2-21
Choosing the Startup Sequence....................................................................... 2-22
Creating a Program ......................................................................................... 2-23
Monitoring Line State-Change Detection................................................................... 2-28
Deciding the Width of Data to Acquire .......................................................... 2-28
Deciding Which Lines You Want to Monitor................................................. 2-29
Deciding How to Start and Stop Data Transfer-Triggering ......................... 2-30
Choosing Continuous or Finite Data Transfer ................................................ 2-32
Connecting Signals ......................................................................................... 2-33
Creating a Program ......................................................................................... 2-33
NI 653X User Manual
Start and Stop Trigger....................................................................... 2-9
Finite Transfers................................................................................. 2-11
Continuous Input .............................................................................. 2-11
Continuous Output............................................................................ 2-11
Choosing DMA or Interrupt Transfers ............................................. 2-12
Deciding the PCLK Signal Direction ............................................... 2-18
Finite Transfers................................................................................. 2-20
Continuous Input .............................................................................. 2-20
Continuous Output............................................................................ 2-20
Choosing DMA or Interrupt Transfers ............................................. 2-21
Using an Initialization Order ............................................................ 2-22
Controlling Line Polarities ............................................................... 2-23
Start and Stop Trigger....................................................................... 2-31
Finite Transfers................................................................................. 2-32
Continuous Input .............................................................................. 2-32
Choosing DMA or Interrupt Transfers ............................................. 2-33
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