Renesas H8/3067 Series User Manual page 138

Section 5 Interrupt Controller
IRQ
Yes
Figure 5.6 Process Up to Interrupt Acceptance when UE = 0
Rev. 4.00 Jan 26, 2006 page 114 of 938
REJ09B0276-0400
Program execution state
Interrupt requested?
Yes
Priority level 1?
Yes
No
0
No
IRQ
1
Yes
TEI2
Yes
I = 0
Yes
Yes
Read vector address
Yes
NMI
No
No
IRQ
0
Yes
No
UI = 0
Save PC and CCR
← ←
I 1, UI 1
Branch to interrupt
service routine
No
Pending
No
No
IRQ
1
Yes
TEI2
Yes
No
I = 0
Yes
No