This special instruction has
INSN_INTTRIG as the
member in its
instruction data structure.
Its execution causes an
internal triggering event. This
event can, for example, cause the device driver to start a conversion,
or to stop an ongoing acquisition. The exact meaning of the triggering
depends on the card and its particular driver.
data element of the
INSN_INTTRIG instruction is reserved for future use,
and should be set to