National Instruments AT-MIO-16X - Manual (Page 160)

Chapter 4 Register Map and Descriptions
AT-MIO-16X User Manual 4-64 © National Instruments Corporation
Am9513A Counter/Timer Register Group
The three registers making up the Am9513A Counter/Timer Register
Group access the onboard counter/timer. The Am9513A controls
onboard data acquisition timing as well as general-purpose timing for
the user.
The Am9513A registers described here are the Am9513A Data
Register, the Am9513A Command Register, and the Am9513A Status
Register. The Am9513A contains 18 additional internal registers. These
internal registers are accessed through the Am9513A Data Register. A
detailed register description of all Am9513A registers is included in
Appendix C, AMD Am9513A Data Sheet.
Bit descriptions for the Am9513A Counter/Timer Register Group
registers are given in the following pages.