Datasheet

Section 5 Interrupt Controller
Rev. 4.00 Sep 27, 2006 page 139 of 1130
REJ09B0327-0400
Program execution state
Interrupt generated?
NMI?
Control level 1
interrupt?
IRQ0?
IRQ1?
PS2IC?
IRQ0?
IRQ1?
PS2IC?
I = 0?
Save PC and CCR
I ← 1
Read vector address
Branch to interrupt handling routine
Yes
No
Yes
Yes
Yes
No
No
Yes
No
Yes No
Yes
Yes
No
No
Yes
Yes
No
Hold pending
Figure 5.8 Flowchart of Procedure Up to Interrupt Acceptance in
Interrupt Control Mode 0