Appendix A
Specifications for AT-MIO-16XE-10 and AT-AI-16XE-10
A-26
ni.com
Power-on state ........................................Input (high-impedance)
Data transfers ..........................................Programmed I/O
Max transfer rate (1 word = 8 bits).........50 kwords/s, system dependent
Constant sustainable rate ........................1 to 10 kwords/s, typical
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, demand transfer
Input low current
—
–320 µA
Input high current
—
10 µA
Output low voltage (I
OL
= 24 mA)
—
0.4 V
Output high voltage (I
OH
= 13 mA)
4.35 V
—
Level
Min
Max