BL55024
zip: 200233
Shanghai Belling Corp., Ltd
Tel: 86-021-64850700 Fax: 86-021-64855865
LCD Driver for 60 Display Units
BL55024
1
General Description
The BL55024 is a general LCD driver IC for 60 units LCD panel. It features a wide
operating supply voltage range, incorporates simple communication interface with
microcomputer and is suitable for multiple application.
2
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
60(15x4) Display Units
Low power dissipation design: Power saving mode: Idd=14uA at 5V and Idd=9uA at
3.3V;
On-chip RC oscillator
VLCD for adjusting LCD operating voltage
Excellent EMC immunity
Compatible with general microcomputer
SOP24 package
3
Pin Assignment
Fig 1
4
Pin Description
Pin No.
1
2
3
4
5
6-9
10-24
Pin name
SDA
SCI
Vdd
Vss
Vlcd
Com0、Com2、Com1、Com3
S0——S14
Function
Serial data input/output
Serial clock input
Supply voltage
ground
LCD supply voltage
Common terminal driving output
Segment terminal driving output
Tab.1
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