M38B78F1H-XXXXFP View Datasheet(PDF) - MITSUBISHI ELECTRIC

Part Name

Description

Manufacturer

M38B78F1H-XXXXFP

SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER

MITSUBISHI ELECTRIC  

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MITSUBISHI MICROCOMPUTERS

38B7 Group

SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER

(7) Port P73

Data bus

Dimmer output

control bit

Direction register

Port latch

Pull-up control

Dimmer signal output

INT3 interrupt input

(9) Port P77

Data bus

Buzzer control signal

Direction register

Port latch

Pull-up control

Buzzer signal output

INT4 interrupt input

(8) Ports P74 to P76

Timer 1 output selection bit

Timer 3 output selection bit

Timer 6 output selection bit

Direction register

Data bus

Port latch

Pull-up control

Timer 1 output

Timer 3 output

Timer 6 output

(10) Port P80

Port Xc switch bit

Direction register

Pull-up control

Data bus

Port latch

Sub-clock generating circuit input

(11) Port P81

Port Xc switch bit

Direction register

Pull-up control

Data bus

Port latch

Port P80

Oscillator

Port Xc switch bit

(13) Ports P91, P92

Pull-up control

P-channel output disable signal (P91)

Output OFF control signal

Serial I/O3 selection signal

Direction register

Data bus

Port latch

(12) Port P83

Timer X operating mode bits

Direction register

Data bus

Port latch

Pull-up control

Timer X output

CNTR0, CNTR2 input

(14) Port P93

SRDY3 output enable bit

Direction register

Data bus

Port latch

Pull-up control

SOUT or SCLK

Serial clock input

P92

A-D conversion input

Analog input pin selection bits

Fig. 12 Port block diagram (2)

Serial ready output

A-D conversion input

Analog input pin selection bits

18

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