HD404829R Datasheet, PDF (27/149 Pages) Renesas Technology Corp – AS Microcomputer Incorporating a LCD controller/Driver Circuit

HD404829R Series
Power on
RESET = 1?
No
Yes
Reset MCU
Interrupt
request?
No
Yes
No
IE = 1?
Yes
Execute instruction
Accept the interrupt
PC ^←(PC) + 1
IE ← 0
Stack ← (PC)
Stack ← (CA)
Stack ^← (ST)
PC^← $0002
PC^← $0004
PC^← $0006
PC^← $0008
PC^← $000A
PC^←$000C
PC^← $000E
Yes
INT₀
interrupt?
No
Yes
INT₁
interrupt?
No
Yes
Timer-A
interrupt?
No
Yes _Timer-B/INT2
interrupt?
No
Yes _Timer-C/INT3
interrupt?
No
Yes _Timer-D/INT4
interrupt?
No
(A/D, serial interrupt)
Figure 11 Interrupt Processing Flowchart
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