BL55087 - BELLING

BL55087 LCD Driver

Pin No. 1~4 5~44 45,46 47,48 49,50 51 52 53~57 58 59 60~64 65~69 70 71 72 73 Pin name BP0~BP3 S0~S39 NC SDA SCL SYNC CLK Vdd OSC A0 Vss Vlcd CLK SYNC SCL SDA Function BP terminal driving output Segment terminal driving output Serial data input/output Serial clock input Cascade synchronization clock External clock input （OSC=0:output；OSC=1:input） Supply vol.

Features

a wide operating supply voltage range, incorporates simple communication interface with microcomputer and is suitable for multiple application. 1．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
● I2C data interface
● 160(40x4) Display Units
● Low power dissipation design: Power saving mode: Idd=14uA at 5V and Idd=9uA at 3.3V; Sleeping mode: Idd<2uA
● Maybe cascaded up to 2PCs for large LCD applications
● On-chip RC oscillator
● VLCD for adjusting LCD operating voltage
● Excellent EMC immunity
● Co.