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LCD Driver for 140 Display Units BL55070
General Description
The BL55070 is a general LCD driver IC for 140 units LCD panel. It features a wide
operating supply voltage range, incorporates simple communication interface with
microcomputer and is suitable for multiple application.
Features
Advanced low power CMOS Technology
Selection of 1/2 or 1/3 bias, selection of 1/2 or 1/3 or 1/4 duty.
Operation voltage: 2.5~5.5V
Serial data interface
140(35x4) Display Units
Low power dissipation design: Power saving mode: Idd=14uA at 5V and Idd=9uA at
3.3V; Sleeping mode: Idd<2uA
On-chip RC oscillator
VLCD for adjusting LCD operating voltage
Excellent EMC immunity
Compatible with general microcomputer
LQFP44 package
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