M34551E8-XXXFP_98 データシートの表示（PDF） - MITSUBISHI ELECTRIC

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M34551E8-XXXFP_98

4-BIT SINGLE-CHIP MICROCOMPUTER

MITSUBISHI ELECTRIC  

HARDWARE

PIN DESCRIPTION

PORT BLOCK DIAGRAMS (continued)

TC1A instruction Register C1

CR flag

STCR instruction S Q

SPCR instruction R

Carrier wave

output circuit

W31

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.

4551 Group User’s Manual

1-9

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