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Section 7   Interrupt Controller 
 
R01UH0134EJ0400  Rev. 4.00  
 
Page 193 of 2108 
Sep 24, 2014 
 
 
 
SH7262 Group, SH7264 Group 
No
No
No
No
Yes
Yes
Yes
Yes
Yes
Yes
No
Yes
No
Yes
Yes
No
No
No
No
Program
execution state
Interrupt?
NMI?
User break?
I3 to I0 
≤
level 14?
Level 14
interrupt?
Level 1
interrupt?
I3 to I0 
≤
level 13?
I3 to I0 
=
level 0?
User debugging 
interface
interrupt?
Level 15
interrupt?
Save SR to stack
Save PC to stack
Copy accept-interrupt
level to I3 to I0
Read exception
handling vector table
Branch to interrupt
exception service routine
 
Figure 7.2   Interrupt Operation Flow