HD64F2168 Datasheet, PDF (131/874 Pages) Renesas Technology Corp – Renesas 16-Bit Single-Chip Microcomputer

Program execution state
No
Interrupt generated?
Yes
Yes
NMI
No
No
An interrupt with interrupt
control level 1?
Yes
No
IRQ0
Yes
No
IRQ1
Yes
IBFI3
Yes
Hold pending
No
IRQ0
Yes
No
IRQ1
Yes
IBFI3
Yes
No
I=0
Yes
Save PC and CCR
I1
Read vector address
Branch to interrupt handling routine
Figure 5.5 Flowchart of Procedure up to Interrupt Acceptance in Interrupt Control Mode 0
Rev. 3.00, 03/04, page 91 of 830