Programming instructions

Chapter 25 Measuring Pulse Width
© National Instruments Corporation 25-9 LabVIEW Data Acquisition Basics Manual
Table 25-1.
Internal Counter Timebases and Their Corresponding
Maximum Pulse Width Measurements
Counter Type
Internal
Timebases
Maximum Pulse Width
Measurement
DAQ-STC 20 MHz 838 ms
100 kHz 167 s
Am9513 1 MHz 65 ms
100 kHz 655 ms
10 kHz 6.5 s
1 kHz 65 s
100 Hz 655 s
8253/54 2 MHz* 32 ms
1 MHz* 65 ms
*A DAQ device with an 8253/54 counter will have one of these internal timebases
available on counter 0, but not both.