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3069RF-ZTAT Datasheet, PDF (128/1003 Pages) Renesas Technology Corp – RENESAS 16-BIT SINGLE-CHIP MICROCOMPUTER
Program execution state
No
Interrupt requested?
Yes
Yes
NMI
No
No
Priority level 1?
Yes
IRQ 0
Yes
No
IRQ 1
Yes
No
TEI2
Yes
Pending
IRQ 0
Yes
No
IRQ 1
Yes
No
TEI2
Yes
I=0
Yes
Yes
No
UI = 0
No
I=0
Yes
No
Save PC and CCR
I ← 1, UI ← 1
Read vector address
Branch to interrupt
service routine
Figure 5.6 Process Up to Interrupt Acceptance when UE = 0
Rev. 5.0, 09/04, page 106 of 978