UPD16664 View Datasheet(PDF) - NEC => Renesas Technology

Part Name

Description

Manufacturer

UPD16664

144/160/184/208-OUTPUT LCD COLUMN (SEGMENT) DRIVER WITH RAM

NEC => Renesas Technology 

2. BLOCK DIAGRAM

CMODE0,1

DIR

PL0, 1

TEST

A0-A16

Control

/CS, /OE

/WE, /UBE

RDY

BMODE

D0-D15

Address

input

control

Address

management

circuit

Data bus

control

/REFRH

/RESET

MS

OSC1

OSC2

/DOFF

DMODE

VCC2 operation

STOP

CR

oscillator

Liquid crystal

timing generation

PULSE /FRM STB

VCC1 operation

Arbiter

RAM

208 × 160 × 2 bits

Data latch (1)

Gray level

generation

circuit

Internal timing

generation

Self-diagnosis

circuit

Level shifter

Data latch (2)

Gray level control

DEC

µ PD16664

VCC2 operation

VCC1 operation

Liquid crystal drive

V0

circuit 208 outputs

V1

V2

PULSE

/FRM STB /DOUT L1

L2

Y1 Y2 Y3

Y208

Data Sheet S13780EJ1V0DS00

3

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