M38C20F3DHP 查看數據表（PDF） - MITSUBISHI ELECTRIC

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M38C20F3DHP

SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER

MITSUBISHI ELECTRIC  

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MITSUBISHI MICROCOMPUTERS

38C2 Group

SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER

(15) Port P57

Serial I/O mode selection bit

Serial I/O enable bit

SRDY output enable bit

Direction register

Data bus

Port latch

Pull-up control

(16) Port P61

Xc oscillation enabled + Pull-up control

Xc oscillation enabled

Direction register

Data bus

Port latch

Serial I/O ready output

Key-on wakeup interrupt input

Key input control

Sub-clock generation circuit input

(17) Port P62

Xc oscillation enabled + Pull-up control

Xc oscillation enabled

Direction register

Data bus

Port latch

(17) COM0–COM3

VL3

VL2

VL1

Oscillator

VSS

Port P61

Xc oscillation enabled

Gate input signal of

each gate depends

on the duty ratio

and bias values.

Fig. 14 Port block diagram (3)

17

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