PCF8576CU datasheet(2/44 Pages) PHILIPS

2 / 44 page

1998 Jul 30

Philips Semiconductors

Product speciﬁcation

Universal LCD driver for low multiplex

rates

PCF8576C

CONTENTS

FEATURES

GENERAL DESCRIPTION

ORDERING INFORMATION

BLOCK DIAGRAM

PINNING

FUNCTIONAL DESCRIPTION

6.1

Power-on reset

6.2

LCD bias generator

6.3

LCD voltage selector

6.4

LCD drive mode waveforms

6.4.1

Static drive mode

6.4.2

1 : 2 multiplex drive mode

6.4.3

1 : 3 multiplex drive mode

6.4.4

1 : 4 multiplex drive mode

6.5

Oscillator

6.5.1

Internal clock

6.5.2

External clock

6.6

Timing

6.7

Display latch

6.8

Shift register

6.9

Segment outputs

6.10

Backplane outputs

6.11

Display RAM

6.12

Data pointer

6.13

Subaddress counter

6.14

Output bank selector

6.15

Input bank selector

6.16

Blinker

CHARACTERISTICS OF THE I2C-BUS

7.1

Bit transfer (see Fig.12)

7.2

Start and stop conditions (see Fig.13)

7.3

System configuration (see Fig.14)

7.4

Acknowledge (see Fig.15)

7.5

PCF8576C I2C-bus controller

7.6

Input filters

7.7

I2C-bus protocol

7.8

Command decoder

7.9

Display controller

7.10

Cascaded operation

LIMITING VALUES

HANDLING

DC CHARACTERISTICS

AC CHARACTERISTICS

11.1

Typical supply current characteristics

11.2

Typical characteristics of LC D outputs

APPLICATION INFORMATION

12.1

Chip-on-glass cascadability in single plane

BONDING PAD LOCATIONS

PACKAGE OUTLINES

SOLDERING

15.1

Introduction

15.2

Reflow soldering

15.3

Wave soldering

15.3.1

LQFP

15.3.2

VSO

15.3.3

Method (LQFP and VSO)

15.4

Repairing soldered joints

DEFINITIONS

LIFE SUPPORT APPLICATIONS

PURCHASE OF PHILIPS I2C COMPONENTS

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