H8S2111B Datasheet, PDF (118/582 Pages) Renesas Technology Corp – Renesas 16-Bit Single-Chip Microcomputer H8S Family / H8S/2100 Series

Program excution state
No
Interrupt generated?
Yes
Yes
NMI
No
No
An interrupt with interrupt
control level 1?
Yes
No
IRQ0
Yes
No
IRQ1
Yes
IFBFI3
Yes
Hold pending
No
IRQ0
Yes
No
IRQ1
Yes
IFBFI3
Yes
I=0
Yes
Yes
No
UI = 0
I=0
No
Yes
No
Save PC and CCR
I 1, UI 1
Read vector address
Branch to interrupt handling routine
Figure 5.6 Flowchart of Procedure Up to Interrupt Acceptance
in Interrupt Control Mode 1
Rev. 1.00, 05/04, page 84 of 544