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ML9478C - Static 1/2 Duty 1/3 Duty 1/4 Duty 80 Outputs LCD Driver

Description

The ML9478C is an LCD driver LSI, consists of a 80-bit shift register, a 320-bit data latch, 80 sets of LCD drivers, and a common signal generation circuit.

Features

  • .
  • Logic power supply voltage : 2.7 to 5.5 V LCD drive power supply voltage : 4.5 to 5.5 V Maximum number of segments Static display : 80 segments 1/2-duty display : 160 segments 1/3-duty display : 240 segments 1/4-duty display : 320 segments Interface with microcomputer : Serial interface : DATA, CLOCK, LOAD CLOCK transfer speed up to 1 MHz : SDA, SCL, SDAACK I2C interface SCL transfer speed up to 400 kHz Built-in CR oscillator circuit using the internal resistor or External re.

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Datasheet Details

Part number ML9478C
Manufacturer LAPIS
File Size 585.48 KB
Description Static 1/2 Duty 1/3 Duty 1/4 Duty 80 Outputs LCD Driver
Datasheet download datasheet ML9478C Datasheet
Additional preview pages of the ML9478C datasheet.

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Full PDF Text Transcription

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FEDL9478C-01 Issue Date: A pr. 25, 2012 ML9478C Static, 1/2 Duty, 1/3 Duty, 1/4 Duty 80 Outputs LCD Driver GENERAL DESCRIPTION The ML9478C is an LCD driver LSI, consists of a 80-bit shift register, a 320-bit data latch, 80 sets of LCD drivers, and a common signal generation circuit. It can directly drive an LCD up to 80 segments for static display, 160 segments for 1/2-duty display, 240 segments for 1/3-duty display, and 320 segments for 1/4-duty display. The three-wire serial interface and I2C interface are selectable. FEATURES     Logic power supply voltage : 2.7 to 5.5 V LCD drive power supply voltage : 4.5 to 5.
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