upd78f0730 Renesas Electronics Corporation., upd78f0730 Datasheet - Page 403
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upd78f0730
Manufacturer Part Number
upd78f0730
Description
8-bit Single-chip Microcontroller
Manufacturer
Renesas Electronics Corporation.
Datasheet
1.UPD78F0730.pdf
(518 pages)
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Interrupt request held pending
Interrupt request held pending
××IF:
××MK: Interrupt mask flag
××PR: Priority specification flag
IE:
ISP:
Interrupt request flag
Flag that controls acknowledgement of maskable interrupt request (1 = Enable, 0 = Disable)
Flag that indicates the priority level of the interrupt currently being serviced (0 = high-priority interrupt
servicing, 1 = No interrupt request acknowledged, or low-priority interrupt servicing)
Interrupt request held pending
Figure 13-7. Interrupt Request Acknowledgement Processing Algorithm
Yes
No
Vectored interrupt servicing
interrupt request among those
simultaneously generated
Any high-priority
with ××PR = 0?
IE = 1?
CHAPTER 13 INTERRUPT FUNCTIONS
Preliminary User’s Manual U19014EJ1V0UD
No
Yes
Yes (High priority)
No
No
those simultaneously generated
Vectored interrupt servicing
interrupt request among
interrupt request among
those simultaneously
Any high-priority
Any high-priority
with ××PR = 0?
××MK = 0?
××PR = 0?
generated?
××IF = 1?
ISP = 1?
IE = 1?
Start
Yes (interrupt request generation)
Yes
No (Low priority)
No
No
Yes
Yes
No
No
Interrupt request held pending
Interrupt request held pending
Interrupt request held pending
Interrupt request held pending
Yes
Yes
403
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