National Instruments 3.21E+04 Manual De Usuario

Appendix A     Specifications for AT-MIO-16XE-10 and AT-AI-16XE-10

AT-MIO/AI E Series User Manual

A-24

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 National Instruments Corporation

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

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