PCF2104CUSLASH2 datasheet(2/56 Pages) MOTOROLA

2 / 56 page

1997 Dec 16

Philips Semiconductors

Product speciﬁcation

LCD controller/driver

PCF2104x

CONTENTS

FEATURES

APPLICATIONS

GENERAL DESCRIPTION

3.1

Packages

3.2

Available types

ORDERING INFORMATION

BLOCK DIAGRAM

PINNING

PIN 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

DB0 to DB7: data bus (parallel control)

7.5

C1 to C60: column driver outputs

7.6

R1 to R32: 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 pin

7.12

T1: test pad

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 MUX 1 : 16 displays with

PCF2104x

8.15

Programming of MUX 1 : 32 displays with

PCF2104x

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 on/off 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, 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

8-bit operation, 2

× 12 display using internal

reset

17.2

4-bit operation, 2

× 12 display using internal

reset

17.3

8-bit operation, 2

× 24 display

17.4

I2C 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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