Renesas RL78 Series User Manual page 702

RL78/G1D
Figure 18-7. Interrupt Request Acknowledgment Processing Algorithm
××IF:
××MK:
××PR0:
××PR1:
IE:
ISP0, ISP1: Flag that indicates the priority level of the interrupt currently being serviced (see Figure 18-6)
Note For the default priority, refer to Table 18-1 Interrupt Source List.
R01UH0515EJ0120 Rev.1.20
Dec 16, 2016
Start
No
××IF = 1?
Yes (interrupt request generation)
××MK = 0?
Yes
(××PR ××PR
1,
≥
(ISP1, ISP0)
Yes (High priority)
Higher priority
than other interrupt requests
simultaneously
generated?
Yes
Higher default priority
than other interrupt requests
simultaneously
generated?
Yes
IE = 1?
Yes
Vectored interrupt servicing
Interrupt request flag
Interrupt mask flag
Priority specification flag 0
Priority specification flag 1
Flag that controls acknowledgment of maskable interrupt request (1 = Enable, 0 = Disable)
CHAPTER 18 INTERRUPT FUNCTIONS
No
Interrupt request held pending
No (Low priority)
0)
Interrupt request held pending
No
Interrupt request held pending
Note
No
Interrupt request held pending
No
Interrupt request held pending
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