ML9479E - LAPIS

ML9479E Static 1/2 Duty 1/3 Duty 1/4 Duty 160 Outputs LCD Driver

The ML9479E is an LCD driver LSI, consists of a 160-bit shift register, a 640-bit data latch, 160 sets of LCD drivers, and a common signal generation circuit. It can directly drive an LCD up to 160 segments for static display, 320 segments for 1/2-duty display, 480 segments for 1/3-duty display, and 640 segments for 1/4-duty display. The three-wire serial in.

Features

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 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 : 160 segments 1/2-duty display : 320 segments 1/3-duty display : 480 segments 1/4-duty display : 640 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 resistor Cascade connectable (up to eight chips) Built-in common signal generation circuit Built-in common output.