UPD16430AGF-3B9 데이터 시트보기 (PDF) - NEC => Renesas Technology

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UPD16430AGF-3B9

1/2, 1/3, 1/4 DUTY LCD CONTROLLER/DRIVER

NEC => Renesas Technology 

BLOCK DIAGRAM

µPD16430A

Segment driver (2 × 60 circuits)

Level shifter (60 circuits)

Selector (60 circuits)

Common

driver

Level

shifter

Drive

voltage

genera-

tion

circuit

VLCD

VLCD0

VLCD1

VLCD2

Selector

LCDOFF

0 123

Output data latch (4 × 60 bits)

0 123

Latch pulse generator (60 bits)

RES

012

3

Data selector

Write

controller

BUSY

STB

DATA

CLK

Display memory

RAM

8 × 30 bits

8 bit shift register

RES

Timing

controller

Oscillator

OSCIN

OSCOUT

RES

RES

Power-on

detector

VDD

RES

Command register

VSS

Command decoder

6

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