National Instruments PCIe-6323 User Manual page 12

Pulse Train Generation ............................................................................................. 7-28
Finite Pulse Train Generation........................................................................... 7-28
Retriggerable Pulse or Pulse Train Generation ................................................ 7-29
Continuous Pulse Train Generation.................................................................. 7-30
Buffered Pulse Train Generation...................................................................... 7-31
Finite Implicit Buffered Pulse Train Generation.............................................. 7-31
Continuous Buffered Implicit Pulse Train Generation..................................... 7-32
Finite Buffered Sample Clocked Pulse Train Generation ................................ 7-32
Continuous Buffered Sample Clocked Pulse Train Generation ....................... 7-33
Frequency Generation............................................................................................... 7-34
Using the Frequency Generator ........................................................................ 7-34
Frequency Division................................................................................................... 7-35
Pulse Generation for ETS ......................................................................................... 7-35
Counter Timing Signals.................................................................................................... 7-36
Counter n Source Signal ........................................................................................... 7-36
Routing a Signal to Counter n Source .............................................................. 7-37
Routing Counter n Source to an Output Terminal............................................ 7-37
Counter n Gate Signal............................................................................................... 7-37
Routing a Signal to Counter n Gate.................................................................. 7-38
Routing Counter n Gate to an Output Terminal ............................................... 7-38
Counter n Aux Signal ............................................................................................... 7-38
Routing a Signal to Counter n Aux .................................................................. 7-38
Counter n A, Counter n B, and Counter n Z Signals ................................................ 7-39
Routing Signals to A, B, and Z Counter Inputs................................................ 7-39
Routing Counter n Z Signal to an Output Terminal ......................................... 7-39
Counter n Up_Down Signal ..................................................................................... 7-39
Counter n HW Arm Signal ....................................................................................... 7-39
Routing Signals to Counter n HW Arm Input .................................................. 7-40
Counter n Sample Clock Signal................................................................................ 7-40
Using an Internal Source .................................................................................. 7-40
Using an External Source ................................................................................. 7-41
Routing Counter n Sample Clock to an Output Terminal ................................ 7-41
Counter n Internal Output and Counter n TC Signals .............................................. 7-41
Routing Counter n Internal Output to an Output Terminal .............................. 7-41
Frequency Output Signal .......................................................................................... 7-41
Routing Frequency Output to a Terminal......................................................... 7-41
Default Counter/Timer Pins.............................................................................................. 7-42
Counter Triggering ........................................................................................................... 7-45
Other Counter Features..................................................................................................... 7-45
Cascading Counters .................................................................................................. 7-45
Prescaling.................................................................................................................. 7-46
Synchronization Modes ............................................................................................ 7-46
100 MHz Source Mode..................................................................................... 7-47
External Source Greater than 25 MHz ............................................................. 7-47
External or Internal Source Less than 25 MHz ................................................ 7-47
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