User manual

Appendix A Specifications
NI 6034E/6035E/6036E User Manual A-8 ni.com
Power-on state.........................................Input (High-Z),
50 kΩ pull up to +5 VDC
Data transfers..........................................Programmed I/O
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)
Triggers
Digital Trigger
Compatibility ..........................................TTL
Response .................................................Rising or falling edge
Pulse width .............................................10 ns min
UM.book Page 8 Monday, May 14, 2001 10:32 AM