Datasheet

Section 3 Exception Handling
Rev. 6.00 Aug 04, 2006 page 110 of 680
REJ09B0145-0600
PC contents saved
CCR contents saved
I
←
1
I = 0
Program execution state
No
Yes
Yes
No
Legend:
PC:
CCR:
I:
Program counter
Condition code register
I bit of CCR
IEN0 = 1
No
Yes
IENDT = 1
No
Yes
IRRDT = 1
No
Yes
Branch to interrupt
handling routine
IRRI0 = 1
No
Yes
IEN1 = 1
No
Yes
IRRI1 = 1
No
Yes
IEN2 = 1
No
Yes
IRRI2 = 1
Figure 3.3 Flow Up to Interrupt Acceptance