National Instruments AT-MIO/AI E Series User Manual page 119

Triggers
National Instruments Corporation
Appendix A Specifications for AT-MIO-16E-1, AT-MIO-16E-2 and AT-MIO-64E-3
Base clocks available
Counter/timers ............................ 20 MHz, 100 kHz
Frequency scalers........................ 10 MHz, 100 kHz
Base clock accuracy .......................... 0.01%
Max source frequency ....................... 20 MHz
Min source pulse duration ................. 10 ns in edge-detect mode
Min gate pulse duration ..................... 10 ns in edge-detect mode
Data transfers .................................... DMA, interrupts, programmed
DMA modes ...................................... Single transfer
Analog Trigger
Source ............................................... ACH<0..63>, PFI0/TRIG1
Level .................................................
Slope ................................................. Positive or negative (software
Resolution ......................................... 8 bits, 1 in 256
Hysteresis.......................................... Programmable
Bandwidth (-3 dB)............................. 1.5 MHz internal,
External input (PFI0/TRIG1)
Impedance................................... 10 k
Coupling .................................... DC
Protection.................................... -0.5 to Vcc + 0.5 V when
I/O
full-scale, internal; 10 V,
external
selectable)
7 MHz external
configured as a digital signal
35 V when configured as an
analog trigger signal or disabled
35 V powered off
A-9 AT-MIO/AI E Series User Manual