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National Instruments NI 6323 User Manual

National Instruments NI 6323
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Chapter 6 Digital I/O
© National Instruments 6-5 X Series User Manual
Digital Waveform Acquisition
Figure 6-2 summarizes all of the timing options provided by the digital
input timing engine.
Figure 6-2. Digital Input Timing Options
You can acquire digital waveforms on the Port 0 DIO lines. The DI
waveform acquisition FIFO stores the digital samples. X Series devices
have a DMA controller dedicated to moving data from the DI waveform
acquisition FIFO to system memory. The DAQ device samples the DIO
lines on each rising or falling edge of a clock signal, DI Sample Clock.
You can configure each DIO line to be an output, a static input, or a digital
waveform acquisition input.
X Series devices feature the following digital input timing signals:
• DI Sample Clock Signal
*
• DI Sample Clock Timebase Signal
• DI Start Trigger Signal
*
• DI Reference Trigger Signal
*
• DI Pause Trigger Signal
*
Signals with an
*
support digital filtering. Refer to the PFI Filters section
of Chapter 8, PFI, for more information.
Revamp AO timing options with DI timebase and clocks
PFI, RTSI
PXI_STA R
Analog Comparison
Event
20 MHz Timebase
100 kHz Timebase
PXI_CLK10
Programmable
Clock
Divider
DI Sample Clock
Timebase
PFI, RTSI
PXI_STA R
Analog Comparison Event
Ctr n Internal Output
DI Sample Clock
100 MHz Timebase
DSTAR <A..B>
DSTAR <A..B>
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National Instruments NI 6323 Specifications

General IconGeneral
BrandNational Instruments
ModelNI 6323
CategoryI/O Systems
LanguageEnglish

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