M38B78FBH-XXXXFP View Datasheet(PDF) - MITSUBISHI ELECTRIC

Part Name

Description

Manufacturer

M38B78FBH-XXXXFP

SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER

MITSUBISHI ELECTRIC  

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MITSUBISHI MICROCOMPUTERS

38B7 Group

SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER

(15) Ports P94, P95

Real time port control bit

Direction register

Data bus

Port latch

Pull-up control

(16) Ports P96, P97

PWM output selection bit

Buzzer control signal

Direction register

Data bus

Port latch

Pull-up control

RTP output

A-D conversion input

Analog input pin selection bits

(17) Port PA

Pull-up control

Data bus

Direction register

Port latch

A-D conversion input

Analog input pin selection bits

PWM output

Buzzer signal output

A-D conversion input

Analog input pin selection bits

(18) Ports PB0, PB2

Serial I/O1 selection signal

PB1/SRDY1•PB2/SBUSY1 pin

control bit

Direction register

Data bus

Port latch

Pull-up control

SCLK12 output

SBUSY1 output

Serial clock input

SBUSY1 input

D-A converter output

D-A output enable bit

PB0

(19) Port PB1

PB1/SRDY1•PB2/SBUSY1 pin

control bit

Direction register

Data bus

Port latch

Pull-up control

Serial ready output

Serial ready input

(21) Ports PB4, PB5

Pull-up control

P-channel output disable signal (PB5)

Output OFF control signal

Serial I/O1 selection signal

Direction register

Data bus

Port latch

SOUT or SCLK

Serial clock input

PB4

Fig. 13 Port block diagram (3)

(20) Port PB3

PB3/SSTB1 pin control bit

Direction register

Data bus

Port latch

SSTB1 output

Pull-up control

19

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