Renesas F-ZTAT H8 Series Hardware Manual page 126

Section 5 Interrupt Controller
IRQ
Yes
Figure 5.4 Process Up to Interrupt Acceptance when UE = 1
Rev. 3.00 Mar 21, 2006 page 98 of 814
REJ09B0302-0300
Program execution state
Yes
Priority level 1?
Yes
No
0
No
IRQ
1
Yes
ADI
Yes
Read vector address
Interrupt requested?
Yes
NMI
No
No
IRQ
0
Yes
I = 0
Yes
Save PC and CCR
←
I 1
Branch to interrupt
service routine
No
Pending
No
No
IRQ
1
Yes
ADI
Yes
No