M38B78F7H-XXXXFP View Datasheet(PDF) - MITSUBISHI ELECTRIC

Part Name

Description

Manufacturer

M38B78F7H-XXXXFP

SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER

MITSUBISHI ELECTRIC  

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MITSUBISHI MICROCOMPUTERS

38B7 Group

SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER

(1) Ports P0, P2

Dimmer signal

(Note 1)

Local data

bus

Output

Data bus

Port latch

✽

VE E

(3) Port P64

Dimmer signal

FLD/Port

(Note 1)

switch register

Pull-up control

Local data

bus

Data bus

Direction register

Port latch

RxD input

(2) Ports P1, P3, P4, P5, P60 to P63

FLD/Port

switch register

P4, P5, P60 to P63

Local data

bus

Data bus

Dimmer signal

(Note 1)

Direction register

Port latch

✽

read

(Note 2)

VEE

(4) Ports P65, P66

Pull-up control

P-channel output disable signal (P65)

Output OFF control signal

Dimmer signal

(Note 1)

FLD/Port

switch register

Local data

bus

Data bus

Serial I/O2 selection signal

Direction register

Port latch

TxD or SCLK21 output

Serial clock input

P66

(5) Port P67

Dimmer signal

FLD/Port

(Note 1)

switch register

Local data

bus

Data bus

Direction register

Port latch

Pull-up control

(6) Ports P70 to P72, P82, P90, PB6

Pull-up control

Data bus

Direction register

Port latch

Serial ready output

SRDY2 output enable bit

Serial I/O2 enable bit

Serial clock output

Clock I/O pin selection bit

Synchronous clock

selection bit

Serial clock input

✽ High-breakdown-voltage P-channel transistor

Notes 1: The dimmer signal sets the Toff timing.

2: A pull-down resistor is not built in to ports P4, P5 and P60 to P63.

Fig. 11 Port block diagram (1)

INT0, INT1, INT2 interrupt input

CNTR1 input

Serial I/O input

A-D conversion input

Analog input pin selection bit

P90

17

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