National Instruments Low-Cost Multifunction I/O Board for ISA Lab-PC+ - Manual (Page 156)

Register Map and Descriptions Appendix D
Lab-PC+ User Manual D-40 © National Instruments Corporation
Interval Counter Strobe Register
Writing to Interval Counter Strobe Register strobes the contents of the Interval Counter Data
Register into the Interval Counter. This action arms the Interval Counter, which then decrements
with each conversion pulse.
Address: Base address + 1F (hex)
Type: Write-only
Word Size: 8-bit
Bit Map:
7 6 5 4 3 2 1 0
0 0 0 0 0 0 0 1
Bit Name Description
7-1 0 Each of these bits must be 0 for proper operation of the Lab-PC+.
0 1 This bit must be 1 for proper operation of the Lab-PC+.