National Instruments AT-MIO-16X - Manual (Page 157)

Chapter 4 Register Map and Descriptions
© National Instruments Corporation 4-61 AT-MIO-16X User Manual
External Strobe Register
Accessing the External Strobe Register location generates an active low
signal at the EXTSTROBE* output of the I/O connector. This signal has
a minimum low time of 500 nsec. The EXTSTROBE* pulse is useful
for several applications, including generating external general-purpose
triggers and latching data into external devices, for example, from the
digital output port.
Address: Base address + 1E (hex)
Type: Write-only
Word Size: 8-bit
Bit Map: Not applicable, no bits used
Strobe Effect: Generates an active-low pulse at the I/O connector of
at least 500-nsec duration