Appendix A
Specifications for AT-MIO-16E-1, AT-MIO-16E-2, and AT-MIO-64E-3
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
0 V
0.8 V
Input high voltage
2 V
5 V
Input low current (V
in
= 0 V)
—
–320 µA
Input high current (V
in
= 5 V)
—
10 µA
Output low voltage (I
OL
= 24 mA)
—
0.4 V
Output high voltage (I
OH
= 13 mA)
4.35 V
—
