User`s guide

Operation Theory • 35
4. Define the starting mode to be NoWait or WaitTRIG.
5. The digital input data are stored in the input FIFO after a DI command is
issued and waiting for DI-TRIG signal if in WaitTRIG mode.
6. The data in the input FIFO will be transferred into system memory directly
and automatically by bus mastering DMA.
The operation flow is show as below: