M38072M1-XXXFS 查看數據表（PDF） - MITSUBISHI ELECTRIC

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M38072M1-XXXFS

SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER

MITSUBISHI ELECTRIC  

(1) Ports P0—P2

Pull-up control

Direction register

Data bus

Port latch

*1

(3) Ports P32,P33,P35—P37

Direction register

Data bus

Port latch

*1

MITSUBISHI MICROCOMPUTERS

3807 Group

SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER

(2) Ports P30,P31

Real time port output selection bit

Direction register

Data bus

Port latch

Data for real time port

(4) Port P34

Clock output control

Direction register

Data bus

Port latch

Clock output

(5) Port P40

Port XC switch bit

Direction register

Data bus

Port latch

(6) Port P41

Port XC switch bit

Direction register

Data bus

Port latch

Oscillator

Port P41

Port XC switch bit

Sub-clock oscillating circuit input

(7) Ports P42,P43,P52,P53

Direction register

Data bus

Port latch

(8) Port P44

Serial I/O1 enable bit

Receive enable bit

Direction register

Data bus

Port latch

Interrupt input

Timer X input (P42)

Timer Y input (P43)

RTP trigger input (P53)

except P52

serial I/O1 input

*1 Either CMOS input level or TTL input level can be selected as an input level for ports P20 to P27 and P32 by P2•P32 input level selection bit.

Fig. 10. Port block diagram (1)

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