HD404324UFS データシートの表示（PDF） - Hitachi -> Renesas Electronics

部品番号

コンポーネント説明

メーカー

HD404324UFS

4-Bit Microcontroller

Hitachi -> Renesas Electronics 

Power on

HD404328 Series

No

RESET=1?

Yes

Reset MCU

Interrupt

Yes

request?

No

Execute instruction

No

IE = 1?

Yes

Accept 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

interrupt?

No

Yes

Timer C

interrupt?

No

Yes

ZCD

interrupt?

No

(A/D, serial interrupt)

Figure 8 Interrupt Processing Flowchart

21

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