Appendix A Specifications for AT-MIO-16XE-10 and AT-AI-16XE-10
AT-MIO/AI E Series User Manual A-24
National Instruments Corporation
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
DMA modes.......................................Single transfer
Triggers
Analog Trigger
Source................................................ACH<0..15>, PFI0/TRIG1
Level..................................................± Full-scale, 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