Panasonic FP7 Series Command Reference Manual page 224

3.39 INTPG (Unit Interruption Program Start), IRET (Unit Interruption Program
End)
Main program process
INT11 program process
INT12 program process
INT13 program process
INT14 program process
INT11 input
INT12 input
INT13 input
INT14 input
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Interrupt program execution waiting and clearing
● If multiple interruptions occur simultaneously, or a new interruption occurs during the
execution of another interruption program, lower-priority interruptions will be in "waiting"
state. They will be executed in order after the completion of other interruption programs.
Main program process
INT11 program process
INT12 program process
INT11 input
INT12 input
● If placed in execution wait state, there is a time difference between the occurrence of the
interrupt and execution of the interrupt program. In such a case, the interruption program in
the waiting state can be cleared by the "ICLR" instruction as necessary. Cleared interrupt
programs will not be executed.
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Waiting for execution
WUME-FP7CPUPGR-12