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Appendix A Specifications for AT-MIO-16E-1, AT-MIO-16E-2, and AT-MIO-64E-3
AT E Series User Manual A-8 ni.com
Digital I/O
Number of channels................................8 input/output
Compatibility..........................................TTL/CMOS
Digital logic levels
Power-on state ........................................Input (High-Z)
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 scalers ............................4 bits
Compatibility..........................................TTL/CMOS
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
Level Min Max
Input low voltage 0V 0.8 V
Input high voltage 2V 5V
Input low current (V
in
=0V) — –320 µA
Input high current (V
in
=5V) — 10 µA
Output low voltage (I
OL
=24mA) — 0.4 V
Output high voltage (I
OH
=13mA) 4.35 V —