BL55028 Datasheet, PDF (1/7 Pages) SHANGHAI BELLING CO., LTD. – The BL55028 is a general LCD driver IC for 76 units LCD panel

BL55028
Shanghai Belling Corp., Ltd
zip: 200233 Tel: [phone] Fax: [phone]
LCD Driver for 76 Display Units BL55028
1 General Description
The BL55028 is a general LCD driver IC for 76 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
76(19x4) 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
SOP28 package
3 Pin Assignment
S18 1
SDA
2
SCL
3
VDD
4
VSS
5
VLCD
6
BP0
7
BP2
8
BP1
9
BP3
10
S0
11
S1
12
S2
13
S3
14
28 S17
27 S16
26 S15
25 S14
24 S13
23 S12
22 S11
21 S10
20
S9
19
S8
18
S7
17
S6
16
S5
15 S4
Fig 1
1