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NJU6543 - Segment Type LCD Driver

General Description

NJU6543 is a 1/2 or 1/3,1/4 duty segment type LCD driver.

It incorporates 4 common driver circuits and 128 segment driver circuits.

NJU6543 can drive maximum 256 segments in 1/2 duty ratio and maximum 384 segments in 1/3 duty ratio and maximum 512 segments in 1/4 duty ratio.

Key Features

  • ˜ LCD driving circuit :Max. 128outputs (4 outputs as for general purpose ports) ˜ Programmable Duty Ratio 1/2 Duty Ratio :Driving max. 256 segments 1/3 Duty Ratio :Driving max. 384 segments 1/4 Duty Ratio :Driving max. 512 segments ˜ Programmable Bias Ratio :1/2, 1/3 bias ratio ˜ Electrical Variable Resistance :8-steps ˜ Serial Data Transfer :Shift clock max. 2MHz ˜ Built-in Oscillator :CR oscillation with external resistor and capacitance, or external oscillation signal input ˜ Operating Volt.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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Preliminary 1/2 1/3 1/4 Duty LCD Driver www.datasheet4u.com ¢ GENERAL NJU6543 DESCRIPTION ¢ PACKAGE OUTLINE NJU6543 is a 1/2 or 1/3,1/4 duty segment type LCD driver. It incorporates 4 common driver circuits and 128 segment driver circuits. NJU6543 can drive maximum 256 segments in 1/2 duty ratio and maximum 384 segments in 1/3 duty ratio and maximum 512 segments in 1/4 duty ratio. In addition, the NJU6543's useful functions meet a wide range of applications. NJU6543 ¢ FEATURES ˜ LCD driving circuit :Max. 128outputs (4 outputs as for general purpose ports) ˜ Programmable Duty Ratio 1/2 Duty Ratio :Driving max. 256 segments 1/3 Duty Ratio :Driving max. 384 segments 1/4 Duty Ratio :Driving max.