PCF8812 datasheet(3/36 Pages) PHILIPS

Part #	PCF8812

Description	65 x 102 pixels matrix LCD driver

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Manufacturer	PHILIPS [NXP Semiconductors]

Direct Link	http://www.nxp.com

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3 / 36 page

2000 Nov 22

3

Philips Semiconductors

Product speciﬁcation

65

× 102 pixels matrix LCD driver

PCF8812

1

FEATURES

• 65 row and 102 column outputs

• Display data RAM 65 × 102 bits

• On-chip:

– Configurable 5 (4, 3 and 2) voltage multiplier

generating VLCD (external VLCD also possible)

– Generation of intermediate LCD bias voltages

– Oscillator requires no external components

(external clock also possible).

• External reset input pin

• Serial interface maximum 4.0 Mbit/s

• CMOS compatible inputs

• Mux rate: 1 : 65

• Logic supply voltage range VDD1 to VSS:

– 2.5 to 5.5 V.

• High voltage generator supply voltage range

VDD2 to VSS and VDD3 to VSS

– 2.5 to 4.5 V.

• Display supply voltage range VLCD to VSS:

– 4.5 to 9.0 V.

• Low power consumption, suitable for battery operated

systems

• Temperature compensation of VLCD

• Temperature range: Tamb = −40 to +85 °C

• Slim chip layout, suited for Chip-On-Glass (COG)

applications.

2

APPLICATIONS

• Telecom equipment.

3

GENERAL DESCRIPTION

The PCF8812 is a low power CMOS LCD controller driver,

designed to drive a graphic display of 65 rows and

102 columns. All necessary functions for the display are

provided in a single chip, including on-chip generation of

LCD supply and bias voltages, resulting in a minimum of

external components and low power consumption. The

PCF8812 interfaces to microcontrollers via a serial bus

interface.

4

ORDERING INFORMATION

TYPE NUMBER

PACKAGE

NAME

DESCRIPTION

VERSION

PCF8812U/2

Tray

chip with bumps in tray

−

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