National Instruments VXI-MIO Series User Manual page 109

Timing I/O
Triggers
National Instruments Corporation
Number of channels .......................... 2 up/down counter/timers,
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,
Analog Trigger
Source ............................................... ACH<0..63>, PFI0/TRIG1
Level .................................................
Slope ................................................. Positive or negative
Resolution ......................................... 12 bits, 1 in 4,096
Hysteresis.......................................... Programmable
Bandwidth (-3 dB)............................. 255 kHz internal,
Appendix A
1 frequency scaler
programmed I/O
Fullscale, internal;
10 V, external
(software selectable)
4 MHz external
A-15
Specifications for VXI-MIO-64XE-10
VXI-MIO Series User Manual