PCF8549 datasheet(3/36 Pages) PHILIPS

3 / 36 page

1997 Nov 21

3

Philips Semiconductors

Product speciﬁcation

65

× 102 pixels matrix LCD driver

PCF8549

BLOCK DIAGRAM

COLUMN DRIVERS

HVGEN

7 stages

Bias vol-

tage gene-

rator

DATA LATCHES

ROW DRIVERS

SHIFT REGISTER

Dual Ported RAM

65x102 Bit

OSCILLATOR

TIMING GENERATOR

DISPLAY CONTROL LOGIC

IIC INTERFACE

VLCD2

VLCD1

C0 to C101

R0 to R64

OSC

Fig.1 Block diagram.

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Manufacturer	Part #	Datasheet	Description
NXP Semiconductors	PCF8548	206Kb / 40P	65 x 102 pixels matrix LCD driver 1999 Aug 16
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Sitronix Technology Co....	ST7556	414Kb / 43P	65 x 102 Dot Matrix LCD Controller/Driver
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STMicroelectronics	STE2004	1Mb / 66P	102 X 65 SINGLE CHIP LCD CONTROLLER / DRIVER
STMicroelectronics	STE2004S	1Mb / 79P	102 x 65 single-chip LCD controller/driver