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
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Low-power CMOS technology
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Fast CPU 8-bit data interface (80xx, 68xx)
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Segment output . . . . . . . . . . 61 outputs
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Common output . . . . . . . . . . 16 outputs
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Duty cycle . . WE6120 . . . 1/16 to 1/32
WE6121 . . . 1/16 to 1/32
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Built-in display data RAM. . . 2560 bits
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Rich display command setting
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On-chip CR oscillation circuit
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Recommended expansion segment driver: 80 bit
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Master/slave operation is supported
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Low power consumption . . . 30mW
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LCD voltage . . . . . . . . . . . . -5.0 to 13V
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Single power supply. . . . . . . 2.4 to 7.0V
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Package . . . . . . . . . . . . . . . . QFP5-100 pin
See specifications for more
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