M34551 View Datasheet(PDF) - MITSUBISHI ELECTRIC

Part Name

Description

Manufacturer

M34551

SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER for INFRARED REMOTE CONTROL TRANSMITTER

MITSUBISHI ELECTRIC  

PORT BLOCK DIAGRAMS (continued)

TC1A instruction Register C1

CR flag

STCR instruction S Q

SPCR instruction R

Carrier wave

output circuit

W31

MITSUBISHI MICROCOMPUTERS

4551 Group

SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER for

INFRARED REMOTE CONTROL TRANSMITTER

To timer 1

CARRY

(Note)

CARR

Timer LC underflow signal

F/F

W30

Timer 1 underflow signal

C20

F/F

W20

LCD power supply

LCD control signal

Pch

SEG0–SEG15

LCD control signal

Nch

LCD power supply

LCD power supply

LCD control signal

Pch

Pch

LCD control signal

LCD power supply

LCD power supply

LCD control signal

Nch

COM0–COM3

LCD control signal

Nch

Note:

This symbol represents a parasitic diode.

7

Share Link: