PCF2105MUSLASH2 datasheet(2/48 Pages) PHILIPS

2 / 48 page

1998 Jul 30

Philips Semiconductors

Product speciﬁcation

LCD controller/driver

PCF2105

CONTENTS

FEATURES

APPLICATIONS

GENERAL DESCRIPTION

3.1

Packages

3.2

Available types

ORDERING INFORMATION

BLOCK DIAGRAM

PINNING

PAD FUNCTIONS

7.1

RS: Register Select (parallel control)

7.2

R/W: read/write (parallel control)

7.3

E: data bus clock (parallel control)

7.4

DB7 to DB0: data bus (parallel control)

7.5

C60 to C1: column driver outputs

7.6

R32 to R1: row driver outputs

7.7

VLCD: LCD power supply

7.8

OSC: oscillator

7.9

SCL: serial clock line

7.10

SDA: serial data line

7.11

SA0: address input

7.12

T1: test input

FUNCTIONAL DESCRIPTION

8.1

LCD bias voltage generator

8.2

Oscillator

8.3

External clock

8.4

Power-on reset

8.5

Registers

8.6

Busy flag

8.7

Address Counter (AC)

8.8

Display Data RAM (DDRAM)

8.9

Character Generator ROM (CGROM)

8.10

Character Generator RAM (CGRAM)

8.11

Cursor control circuit

8.12

Timing generator

8.13

LCD row and column drivers

8.14

Programming of the MUX rate 1 : 16

8.15

Programming of the MUX rate 1 : 32

8.16

Reset function

INSTRUCTIONS

9.1

Clear display

9.2

Return home

9.3

Entry mode set

9.3.1

I/D

9.3.2

9.4

Display control

9.4.1

9.4.2

9.4.3

9.5

Cursor/display shift

9.6

Function set

9.6.1

DL (parallel mode only)

9.6.2

N and M

9.7

Set CGRAM address

9.8

Set DDRAM address

9.9

Read busy flag and address

9.10

Write data to CGRAM or DDRAM

9.11

Read data from CGRAM or DDRAM

INTERFACE TO MICROCONTROLLER

(PARALLEL INTERFACE)

INTERFACE TO MICROCONTROLLER

(I2C-BUS INTERFACE)

11.1

Characteristics of the I2C-bus

11.2

Bit transfer

11.3

START and STOP conditions

11.4

System configuration

11.5

Acknowledge

11.6

I2C-bus protocol

LIMITING VALUES

HANDLING

DC CHARACTERISTICS

AC CHARACTERISTICS

TIMING DIAGRAMS

APPLICATION INFORMATION

17.1

4-bit operation, 2

× 12 display using internal

reset

17.2

8-bit operation, 2

× 12 display using internal

reset

17.3

8-bit operation, 2

× 24 display

17.4

I2C-bus operation, 2

× 12 display

17.5

Initializing by instruction

BONDING PAD LOCATIONS

DEFINITIONS

LIFE SUPPORT APPLICATIONS

PURCHASE OF PHILIPS I2C COMPONENTS

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