HD6412320 RENESAS [Renesas Technology Corp], HD6412320 Datasheet - Page 163

• Manufacturer Part Number: HD6412320
• Description: Renesas 16-Bit Single-Chip Microcomputer H8S Family H8S-2300 Series
• Manufacturer: RENESAS [Renesas Technology Corp]

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
Save PC, CCR, and EXR
Program execution state
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.6.00 Sep. 27, 2007 Page 133 of 1268
No
No
No
Level 1 interrupt?
Mask level 0?
Hold pending
Section 5 Interrupt Controller
Yes
Yes
REJ09B0220-0600
No
No