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NJU6538 - BITMAP LCD DRIVER

General Description

The NJU6538 is a 10-common x 65-segment bitmap LCD driver to display graphics or characters.

It contains 650 bits display data RAM, microprocessor interface circuit, common and segment drivers, key scan circuit, and general output ports.

Key Features

  • Direct Correspondence between Display Data RAM and LCD Pixel Display Data RAM : 650-bits LCD Drivers : 65-seg, 10-com Serial interface (SIO, SCL, CS) Programmable Duty Ratio 1/8 Duty 7-common x 65-segment + 1-icon common 1/9 Duty 7-common x 65-segment + 2-icon common 1/10Duty 7-common x 65-segment + 3-icon common Bias Ratio 1/4 bias 25-key scan Function (5 x 5 matrix) Needless for anti-reverse current diodes in key scan general Output Ports with 128-steps PWM output (possible LED driving) maximu.

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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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NJU6538 PRELIMINARY 1/8, 1/9, 1/10 Duty BITMAP LCD DRIVER with KEY SCAN www.datasheet4u.com GENERAL DESCRIPTION PACKAGE OUTLINE The NJU6538 is a 10-common x 65-segment bitmap LCD driver to display graphics or characters. It contains 650 bits display data RAM, microprocessor interface circuit, common and segment drivers, key scan circuit, and general output ports. An image data from MPU through the serial interface is stored into the 650 bits internal displayed on the LCD panel through the commons and segments drivers. The NJU6538 displays 10 x 65 dots graphics or 11-character 1-line by 5 x 7 dots character + 3 x 65 dots icons. It contains key scan circuit transmitting the 25-keys maximum (5 x 5 = 25) to MPU.