Timing i/o, Triggers, Analog trigger – National Instruments VXI-MIO Series User Manual

Page 109: Triggers analog trigger

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Appendix A Specifications for VXI-MIO-64XE-10

National Instruments Corporation

A-15

VXI-MIO Series User Manual

Timing I/O

Number of channels .......................... 2 up/down counter/timers,

1 frequency scaler

Resolution

Counter/timers ............................ 24 bits

Frequency scaler ......................... 4 bits

Compatibility .................................... TTL/CMOS

Base clocks available

Counter/timers ............................ 20 MHz, 100 kHz

Frequency scaler ......................... 10 MHz, 100 kHz

Base clock accuracy ..........................

±

0.01%

Max source frequency ....................... 20 MHz

Min source pulse duration ................ 10 ns, edge-detect mode

Min gate pulse duration .................... 10 ns, edge-detect mode

Data transfers .................................... DMA, interrupts,

programmed I/O

Triggers

Analog Trigger

Source ............................................... ACH<0..63>, PFI0/TRIG1

Level .................................................

±

Fullscale, internal;

±

10 V, external

Slope ................................................. Positive or negative

(software selectable)

Resolution ......................................... 12 bits, 1 in 4,096

Hysteresis.......................................... Programmable

Bandwidth (-3 dB)............................. 255 kHz internal,

4 MHz external

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