ST7577 Sitronix Technology, ST7577 Datasheet - Page 29
![no-image](/images/no-image-200.jpg)
ST7577
Manufacturer Part Number
ST7577
Description
Dot Matrix LCD Controller/Driver
Manufacturer
Sitronix Technology
Datasheet
1.ST7577.pdf
(48 pages)
- Current page: 29 of 48
- Download datasheet (2Mb)
ST7577
BIAS System
ST7577 is built-in a BIAS-voltage generation system for driving the LCD. The bias can be specified by this instruction.
The referential settings of Bias, Duty and V0 are listed below: (assume VDD2=2.8V)
Ver 1.0a
A0
0
BS1
0
0
1
1
R/W(/WR)
BS0
0
1
0
1
0
BIAS
7
6
5
4
D7
0
Recommend Duty
1/39, 1/12
D6
1/39
1/39
1/12
0
D5
0
29/48
LCD voltage
* Be sure the VG is in operable range:
(1.28V ≤ VG ≤ VDD2-0.2V) in any operation condition.
Symbol
D4
1
VG
VM
V
V0
SS
Voltage for 1/5 BIAS
D3
0
2/5 of V0
1/5 of V0
V
V0
SS
D2
1
BS1
D1
www.DataSheet4U.com
2008/02/14
BS0
D0
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