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ST7541 - 4 Gray Scale Dot Matrix LCD Controller/Driver

Key Features

  • 4-level Gray Scale.
  • Display with PWM and FRC Methods DDRAM Data [2n:2n+1] 2n 2n + 1 0 0 0 1 1 0 1 1 (Accessible column address, n = 0~127) Driver Output Circuits 128 segment outputs / 128+1 common outputs Applicable Duty Ratios.
  • Various partial display.
  • Partial window moving & data scrolling On-chip Display Data RAM.
  • Capacity: 128 × 129 × 2= 33,024 bits Microprocessor Interface.
  • 8-bit bi-directional parallel interface supports 6800-s.

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Datasheet Details

Part number ST7541
Manufacturer Sitronix Technology
File Size 1.12 MB
Description 4 Gray Scale Dot Matrix LCD Controller/Driver
Datasheet download datasheet ST7541 Datasheet

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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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ST Sitronix ST7541 4 Gray Scale Dot Matrix LCD Controller/Driver INTRODUCTION ST7541 is a driver & controller LSI for 4-level gray scale graphic dot-matrix liquid crystal display systems. This chip can connect directly to a microprocessor which supports: Serial Peripheral Interface (SPI), IIC or 8-bit parallel interface. Display data stores in an on-chip display data RAM of 128 x 129 x 2 bits. It performs display data RAM read/write operation with no external operating clock to minimize power consumption. In addition, because it contains power supply circuits necessary to drive liquid crystal, it is possible to make a display system with the fewest components.