YR0K42378FC000BA Renesas Electronics America, YR0K42378FC000BA Datasheet - Page 198

• Manufacturer Part Number: YR0K42378FC000BA
• Description: KIT EVAL FOR H8S/2378
• Manufacturer: Renesas Electronics America
• Series: H8®r
• Type: MCUr

Specifications of YR0K42378FC000BA

• Contents: Board
• For Use With/related Products: H8S/2378
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

Section 5 Interrupt Controller
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.
Rev.7.00 Mar. 18, 2009 page 130 of 1136
REJ09B0109-0700
Interrupt Exception Handling Sequence
Figure 5.4 Flowchart of Procedure Up to Interrupt Acceptance
Level 7 interrupt?
Mask level 6
or below?
Yes
Yes
in Interrupt Control Mode 2
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
Level 1 interrupt?
Mask level 0?
pending
Hold
Yes
Yes
No
No