Timing i/o – National Instruments NI 6014 User Manual
Page 76
Appendix A
Specifications
© National Instruments Corporation
A-7
Power-on state ........................................ Input (high-impedance),
1.5 k
Ω pull down to DGND
Data transfers ......................................... Programmed I/O
Max transfer rate .................................... 50 kwords/s, system dependent
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
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 ........................................... Scatter-gather
(Single transfer, demand transfer)
Number of DMA channels ..................... 1
1
1
The NI 6013/6014 has one DMA channel to be shared by all resources on the device.