Renesas RL78/G1D User Manual

RL78/G13 CHAPTER 16 INTERRUPT FUNCTIONS
R01UH0146EJ0100 Rev.1.00 843
Sep 22, 2011
Figure 16-7. Interrupt Request Acknowledgment Processing Algorithm
Yes
No
Yes
No
Yes
No
No
Yes
No
IE = 1?
Vectored interrupt servicing
Start
××IF = 1?
××MK = 0?
(××PR
1, ××PR0)
(ISP1, ISP0)
Yes (interrupt request generation)
No (Low priority)
Interrupt request held pending
Interrupt request held pending
Interrupt request held pending
Interrupt request held pending
Interrupt request held pending
Higher priority
than other interrupt requests
simultaneously
generated?
Higher default priority
Note
than other interrupt requests
simultaneously
generated?
≥
××IF: Interrupt request flag
××MK: Interrupt mask flag
××PR0: Priority specification flag 0
××PR1: Priority specification flag 1
IE: Flag that controls acknowledgment of maskable interrupt request (1 = Enable, 0 = Disable)
ISP0, ISP1: Flag that indicates the priority level of the interrupt currently being serviced (see Figure 16-6)
Note For the default priority, refer to Table 16-1 Interrupt Source List.

Renesas RL78/G1D Specifications

General

Brand	Renesas
Model	RL78/G1D
Category	Computer Hardware
Language	English