HD6433832S Datasheet, PDF (93/560 Pages) Renesas Technology Corp – single-chip microcomputers

Program execution state
No
IRRIO = 1
Yes
No
IENO = 1
Yes
No
IRRI1 = 1
Yes
No
IEN1 = 1
Yes
No
IRRI2 = 1
Yes
No
IEN2 = 1
Yes
No
IRRDT = 1
Yes
No
IENDT = 1
Yes
No
I=0
Yes
PC contents saved
CCR contents saved
I←1
Branch to interrupt
handling routine
Notation:
PC: Program counter
CCR: Condition code register
I: I bit of CCR
Figure 3.4 Flow up to Interrupt Acceptance
78