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LC75874E Datasheet 1/4-Duty General-Purpose LCD Display Driver

Manufacturer: SANYO (now Panasonic)

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Overview

Ordering number : EN5800 CMOS LSI LC75874E, 75874W 1/4-Duty General-Purpose LCD Display Driver Overview The LC75874E and LC75874W are 1/4-duty generalpurpose microprocessor-controlled LCD driver that can be used in applications such as frequency display in products with electronic tuning.

In addition to being able to drive up to 264 segments directly, the LC75874E and LC75874W can also control up to 8 general-purpose output ports.

Since the LC75874E and LC75874W use separate power supply systems for the LCD drive block and the logic block, the LCD driver block power-supply voltage can be set to any voltage in the range 2.7 to 6.0 V, regardless of the logic block power-supply voltage.

Key Features

  • Support for 1/4-duty 1/2-bias or 1/4-duty 1/3-bias drive techniques under serial data control (up to 264 segments).
  • Serial data input supports CCB format communication with the system controller.
  • Serial data control of the power-saving mode based backup function and the all segments forced off function.
  • Serial data control of switching between the segment output port and general-purpose output port functions.
  • High generality, since display data is.

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