Software A/D Trigger - Base+0 - Advantech MIC-3716 Manual

C.4 Software A/D Trigger — BASE+0
You can trigger an A/D conversion by software, the card's on-board
pacer or an external pulse.
BASE+6, Bit 2 to bit 0, select the trigger source.
(see Section C.7, Control Register -- BASE+6 )
If you select software triggering, a write to the register BASE+0 with
any value will trigger an A/D conversion.
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