National Instruments 3.21E+04 用户手册

Appendix A     Specifications for AT-MIO-16E-10 and AT-MIO-16DE-10

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 National Instruments Corporation

A-17

AT-MIO/AI E Series User Manual

Power-on state................................... Input (High-Z)

Data transfers

AT-MIO-16E-10 ......................... Programmed I/O

AT-MIO-16DE-10 ...................... Interrupts, programmed 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 scaler ......................... 10 MHz, 100 kHz

Base clock accuracy ..........................

±

0.01%

Max source frequency ....................... 20 MHz

Min source pulse duration ................. 10 ns in edge-detect mode

Min gate pulse duration ..................... 10 ns in edge-detect mode

Data transfers .................................... DMA, interrupts, programmed 

I/O

DMA modes ...................................... Single transfer

Compatibility .................................... TTL

Response ........................................... Rising or falling edge

Pulse width........................................ 10 ns min

Trigger lines ...................................... 7

Type .................................................. Slave