HD6412340 HITACHI [Hitachi Semiconductor], HD6412340 Datasheet - Page 141

• Manufacturer Part Number: HD6412340
• Description: H8S/2345 F-ZTAT Hardware Manual
• Manufacturer: HITACHI [Hitachi Semiconductor]

122
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
No
No
No
Level 1 interrupt?
Hold pending
Mask level 0
Yes
Yes
No
No