PCF8531USLASH2 datasheet(2/44 Pages) PHILIPS

2 / 44 page

2000 Feb 11

Philips Semiconductors

Product speciﬁcation

× 128 pixel matrix driver

PCF8531

CONTENTS

FEATURES

APPLICATIONS

GENERAL DESCRIPTION

PACKAGES

ORDERING INFORMATION

BLOCK DIAGRAM

PINNING

FUNCTIONAL DESCRIPTION

8.1

Oscillator

8.2

Power-on reset

8.3

I2C-bus controller

8.4

Input filters

8.5

Display data RAM

8.6

Timing generator

8.7

Address counter

8.8

Display address counter

8.9

Command decoder

8.10

Bias voltage generator

8.11

VLCD generator

8.12

Reset

8.13

Power-down

8.14

Column driver outputs

8.15

Row driver outputs

8.16

LCD waveforms and DDRAM to data mapping

8.17

Addressing

8.18

Instructions

8.18.1

Reset

8.18.2

Function set

8.18.3

Set Y address

8.18.4

Set X address

8.18.5

Set multiplex rate

8.18.6

Display control (D, E and IM)

8.18.7

Set bias system

8.18.8

LCD bias voltage

8.18.9

Set VOP value:

8.18.10

Voltage multiplier control S[1:0]

8.18.11

Temperature compensation

9I2C-BUS INTERFACE

9.1

Characteristics of the I2C-bus

9.1.1

Bit transfer

9.1.2

START and STOP conditions

9.1.3

System configuration

9.1.4

Acknowledge

9.2

I2C-bus protocol

9.3

Command decoder

LIMITING VALUES

HANDLING

DC CHARACTERISTICS

AC CHARACTERISTICS

APPLICATION INFORMATION

BONDING PAD LOCATIONS

DEVICE PROTECTION DIAGRAM

TRAY INFORMATION

DEFINITIONS

LIFE SUPPORT APPLICATIONS

PURCHASE OF PHILIPS I2C COMPONENTS

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