upd70f3017ay Renesas Electronics Corporation., upd70f3017ay Datasheet - Page 121

• Manufacturer Part Number: upd70f3017ay
• Description: V850/sa1tm 32-/16-bit Single-chip Microcontroller
• Manufacturer: Renesas Electronics Corporation.

Interrupt request a (level 2)
Interrupt request b (level 1)
Interrupt request c (level 1)
Notes 1. Higher default priority
Remarks 1. a, b, and c in the above figure are the names of interrupt requests shown for the sake of
2. Lower default priority
2. The default priority in the above figure indicates the relative priority between two interrupt requests.
Figure 5-8. Example of Servicing Interrupt Requests Generated Simultaneously
explanation.
Note 1
Note 2
CHAPTER 5 INTERRUPT/EXCEPTION PROCESSING FUNCTION
Main routine
EI
User’s Manual U12768EJ4V1UD
Servicing of interrupt request b •
Servicing of interrupt request c
Servicing of interrupt request a
•
Interrupt requests b and c are
acknowledged first according to their
priorities.
Because the priorities of b and c are
the same, b is acknowledged first
because it has a higher default
priority.
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