h8s-2646 Renesas Electronics Corporation., h8s-2646 Datasheet - Page 145

• Manufacturer Part Number: h8s-2646
• Description: Renesas 16-bit Single-chip Microcomputer H8s Family/h8s/2600 Series
• Manufacturer: Renesas Electronics Corporation.

Figure 5.6 Flowchart of Procedure Up to Interrupt Acceptance in
Level 7 interrupt?
Mask level 6
or below?
Yes
Yes
No
No
Yes
Branch to interrupt handling routine
Interrupt Control Mode 2
Program execution status
Save PC, CCR, and EXR
Read vector address
Interrupt generated?
Update mask level
Level 6 interrupt?
Clear T bit to 0
Mask level 5
or below?
NMI
Yes
Yes
Yes
No
Rev. 5.00 Sep 22, 2005 page 119 of 1136
No
No
No
Level 1 interrupt?
Mask level 0?
Hold pending
Section 5 Interrupt Controller
Yes
Yes
REJ09B0257-0500
No
No