h8s-2138 Renesas Electronics Corporation., h8s-2138 Datasheet - Page 182

• Manufacturer Part Number: h8s-2138
• Description: Renesas 16-bit Single-chip Microcomputer H8s Family/h8s/2100 Series
• Manufacturer: Renesas Electronics Corporation.

Section 5 Interrupt Controller
Rev. 4.00 Jun 06, 2006 page 128 of 1004
REJ09B0301-0400
Figure 5.10 Flowchart of Procedure Up to Interrupt Acceptance in
IRQ0?
Yes
Control level 1
interrupt?
IRQ1?
I = 0?
No
Yes
Yes
Yes
Yes
Yes
Branch to interrupt handling routine
Interrupt Control Mode 1
IICI1?
No
Program execution state
Read vector address
Interrupt generated?
Yes
Save PC and CCR
I
No
UI = 0?
No
1, UI
NMI?
No
Yes
IRQ0?
1
Yes
No
IRQ1?
I = 0?
No
No
Yes
Yes
No
IICI1?
Yes
No
Hold pending