p2125vps20 Renesas Electronics Corporation., p2125vps20 Datasheet - Page 132

• Manufacturer Part Number: p2125vps20
• Description: 16-bit Single-chip Microcomputer H8s Family / H8s/2100 Series
• Manufacturer: Renesas Electronics Corporation.

Section 5 Interrupt Controller
Rev. 1.00 Sep. 21, 2006 Page 94 of 658
REJ09B0310-0100
Figure 5.6 Flowchart of Procedure up to Interrupt Acceptance in Interrupt Control Mode 1
IRQ0
An interrupt with interrupt
Yes
control level 1?
No
IRQ1
I = 0
Yes
Yes
Yes
Yes
Branch to interrupt handling routine
No
IICI1
Program execution state
Read vector address
Interrupt generated?
Yes
Save PC and CCR
I
No
UI = 0
No
1, UI
NMI
Yes
No
Yes
IRQ0
1
Yes
No
IRQ1
No
I = 0
No
Yes
Yes
No
IICI1
Yes
No
Hold pending