PCF8811 Ver la hoja de datos (PDF) - Philips Electronics

Número de pieza

componentes Descripción

Fabricante

PCF8811

80×128 pixels matrix LCD driver

Philips Electronics 

Philips Semiconductors

80 × 128 pixels matrix LCD driver

5 BLOCK DIAGRAM

Product specification

PCF8811

VLCDIN

VSS1

VSS2

VOTPPROG

VLCDSENSE

VLCDOUT

T1

T2

T3

T4

T5

MF [2:0]

DS0

VDD1 VDD2 VDD3

BIAS

VOLTAGE

GENERATOR

COL 0 to COL 127

128

COLUMN DRIVERS

DATA

PROCESSING

HIGH

VOLTAGE

GENERATOR

DISPLAY DATA RAM

80 × 128 bits

ADDRESS COUNTER

COMMAND

3

DECODER

PCF8811

ROW 0 to ROW 79

80

ROW DRIVERS

ORTHOGONAL

FUNCTION

GENERATOR

RESET

OSCILLATOR

TIMING

GENERATOR

DISPLAY

ADDRESS

COUNTER

5

3

I/O BUFFER

PARALLEL / SERIAL /I2C-BUS INTERFACE

RES

OSC

mgw732

2004 May 17

Fig.1 Block diagram.

4

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