UPD16661A View Datasheet(PDF) - NEC => Renesas Technology

Part Name

Description

Manufacturer

UPD16661A

160-OUTPUT LCD COLUMN (SEGMENT) DRIVER WITH RAM

NEC => Renesas Technology 

BLOCK DIAGRAM

µPD16661A

DIR

PL0,1,2

TEST

A0 to A16

Control

/CS,/OE,

/WE,/UBE

RDY

BMODE

D0 to D15

GMODE

/REFRH

/RESET

MS

OSC1

OSC2

/DOFF

3.3 V operation

Address

input

control

Address

management

circuit

Data bus

control

STOP

CR

oscillator

Liquid-crystal

timing generation

/FRM STB

5.0V operation

Arbiter

Frame

thinning-out

Internal timing

generation

Self-diagnosis

circuit

Level shifter

RAM

160x240x2 bits

Data latch(1)

FRC control

Data latch(2)

DEC

3.3 V operation

5.0 V operation

Liquid-crystal drive

V0

circuit

V1

160 outputs

V2

/FRM STB /DOUT L1

L2

Y1 Y2 Y3

Y160

3

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