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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
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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