PEX/PIO/PISO-DA Series Card
Analog Output Boards
User Manual/ Ver. 3.1/ Oct. 2013/ PMH-0010-31/ Page: 19
2.3.5 Multiple Interrupt Source
Assume: INT0 is initial Low and active High,
INT1 is initial High and active Low
as below:
Refer to DEMO5.C for the source program.
All of these falling-edge and rising-edge can
be detected using DEMO5.C.
Note:
When the interrupt is active, the user program has to identify the active signals. These
signals may all be active at the same time, so the interrupt service routine has to service
all active signals at the same time.
INT0 and INT1
are active at
the same time
INT1
INT0
INT1 returns to
normal
INT0 and INT1
return to
normal at the
same time
INT1 is active
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