M38203M4 Datasheet, PDF (107/344 Pages) Mitsubishi Electric Semiconductor – 8-BIT SINGLE-CHIP MICROCOMPUTER

APPLICATION
2.2 Interrupts
Interrupt request
Nesting
Reset
Time
Interrupt
request 1
Main routine
I=1
C1 = 0, C2 = 0
C1 = 1
I=0
Interrupt
request 2
Interrupt 1
I=1
C2 = 1
I=0
Multipul interrupt
Interrupt 2
I=1
RTI
I=0
RTI
I=0
I ^{: Interrupt disable flag}
C1 ^{: Interrupt enable bit of interrupt 1}
C2 ^{: Interrupt enable bit of interrupt 2}
: They are set automatically.
: Set by software.
Fig. 2.2.6 Example of multiple interrupts
3820 GROUP USER’S MANUAL
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