h8s-2628 Renesas Electronics Corporation., h8s-2628 Datasheet - Page 121

• Manufacturer Part Number: h8s-2628
• Description: Renesas 16-bit Single-chip Microcomputer H8s Family/h8s/2600 Series
• Manufacturer: Renesas Electronics Corporation.

5.6.3
Figure 5.5 shows the interrupt exception handling sequence. The example shown is for the case
where interrupt control mode 0 is set in advanced mode, and the program area and stack area are
in on-chip memory.
Figure 5.4 Flowchart of Procedure Up to Interrupt Acceptance in Control Mode 2
Interrupt Exception Handling Sequence
Level 7 interrupt?
Mask level 6
or below?
Yes
Yes
No
No
Yes
Branch to interrupt handling routine
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
No
No
No
Rev. 3.00 Oct 04, 2005 page 81 of 598
Level 1 interrupt?
Mask level 0?
pending
Hold
Section 5 Interrupt Controller
Yes
Yes
REJ09B0155-0300
No
No