
GMS81508/16
43
When multiple interrupt is accepted, it is possible to change Interrupt Accept Mode.
In case of multiple interrupt at hardware priority accept mode(Mode0)
In case of multiple interrupts nest H/W priority accept mode (Mode0) and S/W selection accept
mode(Mode1)
EI
EI
EI
Main Program
( Mode 0 )
1’st INT. Routine
( Mode 0 )
2’nd INT. Routine
( Mode 0 )
3’rd INT. Routine
Interrupt
Interrupt
Interrupt
EI
EI
EI
Main Program
( Mode 0 )
1’st INT. Routine
( Mode 0 )
2’nd INT. Routine
( Mode 1 )
3’rd INT. Routine
Interrupt
Interrupt
Interrupt
Reload IMOD
Stacking IMOD
Change Mode