Appendix A Specifications
© National Instruments Corporation A-7 NI 7350 User Manual
Digital I/O
Ports....................................................... Up to 8 8-bit ports
Line direction..................................Individual bit programmable
Inputs
Voltage range..................................0 to 5 V
Input low voltage..................... 0.8 V
Input high voltage....................2.0 V
Polarity............................................Programmable, active high
oractive low
Built-in pull-up resistor..........................10 kΩ, configurable pull-up to
+5 V or pull-down to GND
Outputs
Voltage range..................................0 to 5 V
Output low voltage.................. 0.45 V at 24 mA
Output high voltage................. 2.4 V at 24 mA
Max total DIO current
Sourced from controller...........1 A
Polarity............................................Programmable, active high
oractive low
PWM outputs
Number of PWM outputs ........2
Max PWM frequency.............. 50 kHz
Resolution................................8-bit
Duty cycle range...................... 0 to (255/256)%
Clock sources...........................Internal or external
RTSI
Trigger lines...........................................8
PXI Star Trigger (PXI-7350 only)......... 1