ST7576 Sitronix Technology, ST7576 Datasheet - Page 33

• Manufacturer Part Number: ST7576
• Description: Dot Matrix LCD Controller/Driver
• Manufacturer: Sitronix Technology

ST7576
Set X address of RAM
The X address points to the columns. The range of X is 0…101.
H=”1”
System Bias
Select LCD bias ratio of the voltage required for driving the LCD.
LCD bias voltage
Symbol
V0
V3
V4
VGND
XV0
Set VO value
The operation voltage V
Ver 1.0
A0
X
A0
A0
0
0
0
0
1
1
1
1
0
:
0
0
6
BS
0
0
0
0
1
1
1
1
2
WR(R/W)
WR(R/W)
WR(R/W)
X
0
0
0
0
1
1
1
1
:
0
5
0
0
BS
0
0
1
1
0
0
1
1
1
LCD
X
0
0
0
0
0
0
0
0
:
D7
D7
D7
4
1
0
1
can be set by software.
Bias voltage for 1/9 bias
V0
2/9 X V0
2/9 X V0
VSS
-V0
BS
X
V
0
0
0
0
0
0
0
0
D6
:
D6
D6
X
0
1
0
1
0
1
0
1
3
OP6
0
6
0
X
V
0
0
0
0
0
0
1
1
D5
D5
D5
:
X
VOP=( a + V
OP5
2
0
5
Bias
11
10
9
8
7
6
5
4
V
X
D4
0
0
1
1
1
1
0
0
D4
D4
X
:
OP4
1
1
33/54
4
OP
וb )
Recommend Duty
V
X
D3
D3
D3
0
1
0
1
0
1
0
1
X
:
OP3
0
0
1:10/1:9/1:8
3
1:65/1:68
1/40:1/36
1:18/1:16
1:100
1:81
1:49
1/24
V
BS
D2
D2
D2
X
OP2
2
Column address
2
100
101
V
BS
98
99
D1
D1
D1
X
0
1
2
3
:
OP1
1
1
V
BS
D0
D0
D0
X
OP0
0
0
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2007/01/29
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