National Instruments DAQ PCI-6023E User Manual page 90

Appendix A Specifications
Timing I/O
Triggers
PCI-6023E/6024E/6025E User Manual
PB<0..7>.................................................Input (High-Z),
PC<0..7>.................................................Input (High-Z),
Data transfers ..........................................Interrupts, programmed I/O
Number of channels................................2 up/down counter/timers, 1
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
DMA modes ...........................................Scatter-gather
Digital Trigger
Compatibility ..........................................TTL
Response .................................................Rising or falling edge
100 k pull up to
100 k pull up to
frequency scaler
I/O
(Single transfer, demand transfer)
A-8
+
5V
DC
+
5V
DC
© National Instruments Corporation