HD404054 Просмотр технического описания (PDF) - Renesas Electronics

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Компоненты Описание

производитель

HD404054

microcomputer designed to increase program productivity

Renesas Electronics 

Power on

RESET = 0?

No

Yes

Reset MCU

HD404054 Series/HD404094 Series

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← $000A

PC←$000C

PC← $000E

Yes

INT0

interrupt?

No

Yes

INT1

interrupt?

No

Yes

Timer-A

interrupt?

No

Yes

Timer-C

interrupt?

No

Yes

Timer-D

interrupt?

No

(serial 1 interrupt)

Figure 10 Interrupt Processing Flowchart

19

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