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wavtek_6120

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1.0 General Description

1.0 - 1.2

1.0

GENERAL DESCRIPTION

1.1

DESCRIPTION

The WE6120 is a dot matrix LCD driver LSI intended for display of characters and graphics. Thebit-addressable display data, which is sent from a microcomputer, is stored in a built-in display dataRAM and generates the LCD drive signal.

The WE6120 incorporates innovative circuit design strategies to assure very low current dissipa-tion and a wide range of operating voltages. With these features, the WE6120 permits the user toimplement high-performance handy systems operating from a miniature battery.

In order for the user to adaptively configure his system, the WE6120 family offers two applicationforms. One form allows an LCD display of 12 characters

×

2 lines with an indicator with a single chip.

The other is dedicated to driving a total of 80 segments, enabling a medium-size display tobe achieved by using a minimum number of drivers.

1.2

FEATURES

Low-power CMOS technology

Fast CPU 8-bit data interface (80xx, 68xx)

Segment output . . . . . . . . . . 61 outputs

Common output . . . . . . . . . . 16 outputs

Duty cycle . . WE6120 . . . 1/16 to 1/32

WE6121 . . . 1/16 to 1/32

Built-in display data RAM. . . 2560 bits

Rich display command setting

On-chip CR oscillation circuit

Recommended expansion segment driver: 80 bit

Master/slave operation is supported

Low power consumption . . . 30mW

LCD voltage . . . . . . . . . . . . -5.0 to 13V

Single power supply. . . . . . . 2.4 to 7.0V

Package . . . . . . . . . . . . . . . . QFP5-100 pin 


See specifications for more

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