M38C21F1DHP Ver la hoja de datos (PDF) - MITSUBISHI ELECTRIC

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M38C21F1DHP

SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER

MITSUBISHI ELECTRIC  

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MITSUBISHI MICROCOMPUTERS

38C2 Group

SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER

(7) Ports P34, P37, P50, P51, P60

Pull-up control

Direction register

Data bus

Port latch

(8) Port P35

Direction register

Data bus

Port latch

Pull-up control

CNTR0, CNTR1 interrupt input

INT0–INT2 interrupt input

(9) Ports P36, P52, P53

Data bus

Direction register

Port latch

Pull-up control

Pulse output mode

Timer X output

(10) Ports P42–P45

Direction register

Data bus

Port latch

Pull-up control

Port/Timer output selection

Timer output/PWM output

Timer output/System clock φ output

(11) Ports P40, P41, P46, P47

Pull-up control

Direction register

Data bus

Port latch

A-D conversion input

Analog input pin selection bit

(12) Port P54

Serial I/O enable bit

Receive enable bit

Direction register

Data bus

Port latch

Pull-up control

Oscillation output control bit/

Real time control bit

Oscillation output/

Data for real time port

A-D conversion input

Analog input pin selection bit

Serial I/O input

Key-on wakeup interrupt input

Key input control

(13) Port P55

P55/TxD1 P-channel

output disable bit

Serial I/O enable bit

Transmit enable bit

Direction register

Pull-up control

(14) Port P56

Serial I/O synchronous clock

selection bit

Serial I/O enable bit

Serial I/O mode selection bit

Serial I/O enable bit

Direction register

Pull-up control

Data bus

Port latch

Data bus

Port latch

Serial I/O output

Key-on wakeup interrupt input

Fig. 13 Port block diagram (2)

Key input control

Serial I/O clock output

Serial I/O clock input

Key-on wakeup interrupt input

Key input control

16

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