M3851 查看數據表（PDF） - MITSUBISHI ELECTRIC

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M3851

SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER

MITSUBISHI ELECTRIC  

(9) Port P27

Pulse output mode

Serial I/O mode selection bit

Serial I/O enable bit

SRDY output enable bit

Direction

register

Data bus

Port latch

Pulse output mode

Serial ready output

Timer output

(11) Port P40

Data bus

Direction

register

Port latch

CNTR0 interrupt

input

Pulse output mode

Timer output

CNTR1 interrupt input

(13) Port P44

PWM output enable bit

Direction

register

Data bus

Port latch

PWM output

MITSUBISHI MICROCOMPUTERS

3851 Group

SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER

(10) Port P30–P34

Direction

register

Data bus

Port latch

A-D converter input

Analog input pin selection bit

(12) Port P41–P43

Direction

register

Data bus

Port latch

Interrupt input

Fig. 8 Port block diagram (2)

10

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