PCF2104CUSLASH2 datasheet(3/56 Pages) MOTOROLA

3 / 56 page

1997 Dec 16

Philips Semiconductors

Product speciﬁcation

LCD controller/driver

PCF2104x

FEATURES

• Single chip LCD controller/driver

• 1 or 2-line display of up to 24 characters per line, or

2 or 4 lines of up to 12 characters per line

• 5 × 7 character format plus cursor; 5 × 8 for kana

(Japanese syllabary) and user-defined symbols

• On-chip:

– generation of intermediate LCD bias voltages

– oscillator requires no external components (external

clock also possible)

• Display data RAM: 80 characters

• Character generator ROM: 240 characters

• Character generator RAM: 16 characters

• 4 or 8-bit parallel bus or 2-wire I2C-bus interface

• CMOS/TTL compatible

• 32 row, 60 column outputs

• MUX rates 1 : 32 and 1 : 16

• Uses common 11 code instruction set

• Logic supply voltage range, VDD − VSS: 2.5 to 6 V

• Display supply voltage range, VDD − VLCD: 3.5 to 9 V

• Low power consumption.

• I2C-bus address: 011101 SA0.

APPLICATIONS

• Telecom equipment

• Portable instruments

• Point-of-sale terminals.

GENERAL DESCRIPTION

The PCF2104x integrated circuit is similar to the

PCF2114x (described in the

“PCF2116 family” data sheet)

but does not contain the high voltage generator of that

device.

The PCF2104x is optimized for chip-on-glass applications.

The ‘x’ in ‘PCF2104x’ represents a specific letter code for

a character set in the character generator ROM (CGROM).

Two standard character sets are currently available,

specified by the letters ‘C’ and ‘L’ (see Figs 5 and 6).

Other character sets are available on request.

The PCF2104x is a low-power CMOS LCD controller and

driver, designed to drive a split screen dot matrix LCD

display of 1 or 2 lines by 24 characters or 2 or 4 lines by

12 characters with a 5

× 8 dot format. All necessary

functions for the display are provided in a single chip,

including on-chip generation of LCD bias voltages which

results in a minimum of external components and lower

system power consumption. To allow partial VDD shutdown

the ESD protection system of the SCL and SDA pins does

not use a diode connected to VDD.

The chip contains a character generator and displays

alphanumeric and kana characters. The PCF2104x

interfaces to most microcontrollers via a 4 or 8-bit bus, or

via the 2-wire I2C-bus.

3.1

Packages

• PCF2104xU/2; chip with bumps in tray

• PCF2104xU/7; chip with bumps on tape.

For further details see Chapter 18.

3.2

Available types

• PCF2104CU/x: character set ‘C’ in CGROM

• PCF2104LU/x: character set ‘L’ in CGROM

• PCF2104NU/x: character set ‘N’ in CGROM.

ORDERING INFORMATION

TYPE NUMBER

PACKAGE

NAME

DESCRIPTION

VERSION

PCF2104CU/2

−

chip with bumps in tray

−

PCF2104CU/7

−

chip with bumps on tape

−

PCF2104LU/2

−

chip with bumps in tray

−

PCF2104LU/7

−

chip with bumps on tape

−

PCF2104NU/2

−

chip with bumps in tray

−

PCF2104NU/7

−

chip with bumps on tape

−

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