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BELLING - LCD Driver

Numéro de référence BL55087
Description LCD Driver
Fabricant BELLING 
Logo BELLING 





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BL55087 fiche technique
BL55087
Shanghai Belling Corp., Ltd
zip: 200233 Tel: 86-021-64850700 Fax: 86-021-64855865
LCD Driver for 160 Display Units BL55087
The BL55087 is a general COG LCD driver IC for 160 units LCD panel. It 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
Compatible with general microcomputer
Package: COG
2.Pin Description
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:outputOSC=1:input
Supply voltage
internal oscillator enable input
Subaddress inputs
ground
LCD supply voltage
External clock input
OSC=0:outputOSC=1:input
Cascade synchronization clock
Serial clock input
Serial data input/output
BL55087 Version 1.0
1

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