UPD16498 Ver la hoja de datos (PDF) - NEC => Renesas Technology

Número de pieza

componentes Descripción

Fabricante

UPD16498

1/128 DUTY LCD CONTROLLER/DRIVER WITH FOUR-LEVEL GRAY SCALE, ON-CHIP RAM

NEC => Renesas Technology 

µPD16498

1. BLOCK DIAGRAM

SEG1

Data

register

SEG128

COM1

COM128

PCOM1 PCOM2

Segment driver

Common driver

Pictograph common driver

/RES

/CS1

CS2

C86

PSX

RDS

/RD(E)

/WR(R,/W)

P7(SI)

P6(SCL)

P5 to P0

RS

IRS

TM/S

TFR

TFRSYNC

TDOF

TSISYNC

SIGIN1

SIGIN2

TSTIFS

TSTRTST

TSTVIHL

TESTOUT

OSCIN1

OSCIN2

OSCOUT

TOSCSYNC

CLS

C1+, C1-

C9+, C9-

C1A

I/O

buffer

Segment

G/S and blink

control

Display data latch

Display data RAM

(128 x 128 x 2 bits)

Icon data RAM

(20 x 2 bits)

Address decoder

Command decoder

Register

Oscillator

circuit

Timing generator

D/A converter

DC/DC

converter

Op amp

Common

timing

generator

Pictograph

segment

driver

Pictograph

common

timing

generator

PSEG1

PSEG20

Segment

G/S and blink

timer

LCD voltage generator

VOUT VRS IRS VR AMPOUTP AMPOUT VLCD VLC1 VLC2 VLC3 VLC4

VDD1 VDD2 VSS

Remark /xxx indicates active low signals.

Data Sheet S15730EJ2V0DS

5

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