E0C88862
q
LCD Driver
The Typ. values of the LCD drive voltage shown in the following table shift in difference of panel load (panel size, drive duty,
display segment number). Therefore, these should be evaluated by connecting to the actual panel to be used.
TYPE A
(Unless otherwise specified: V
DD
=V
C2
(LCX=FH)+0.1 to 5.5V, V
SS
=0V, Ta=25°C, C
1
to C
10
=0.1µF)
Unit Note
Symbol
Condition
Min.
Typ.
Max.
Characteristic
0.412V
C5
LCD drive voltage
V
C2
When 1MΩ load resistor is connected
V
between V
SS
and V
C2
(no panel load)
V
When 1MΩ load
V
C5
LCX = 0H
3.61
1
V
LCX = 1H
3.76
TYPE A
resistor is connected
V
between V
SS
and V
C5
LCX = 2H
3.88
V
LCX = 3H
4.00
(no panel load)
V
LCX = 4H
4.12
V
LCX = 5H
4.27
V
LCX = 6H Typ×0.94 4.39 Typ×1.06
V
LCX = 7H
4.51
V
LCX = 8H
4.63
V
LCX = 9H
4.75
V
LCX = AH
4.90
V
LCX = BH
5.02
V
LCX = CH
5.14
V
LCX = DH
5.26
V
LCX = EH
5.38
V
LCX = FH
5.53
Note) 1 Fixing the LCD contrast is not recommended. A contrast adjustment function should be included in the software.
TYPE B
(Unless otherwise specified: V
DD
=V
C2
(LCX=FH)+0.1 to 5.5V, V
SS
=0V, Ta=25°C, C
1
to C
10
=0.1µF)
Unit Note
Symbol
Condition
Min.
Typ.
Max.
Characteristic
0.412V
C5
LCD drive voltage
V
C2
When 1MΩ load resistor is connected
V
between V
SS
and V
C2
(no panel load)
When 1MΩ load
V
C5
LCX = 0H
4.20
V
1
LCX = 1H
4.34
V
TYPE B
resistor is connected
between V
SS
and V
C5
LCX = 2H
4.49
V
V
LCX = 3H
4.63
(no panel load)
LCX = 4H
4.78
V
LCX = 5H
4.92
V
LCX = 6H Typ×0.94 5.07 Typ×1.06
V
V
LCX = 7H
5.21
LCX = 8H
5.36
V
LCX = 9H
5.50
V
LCX = AH
5.65
V
LCX = BH
5.80
V
LCX = CH
5.94
V
LCX = DH
6.09
V
LCX = EH
6.23
V
LCX = FH
6.38
V
Note) 1 Fixing the LCD contrast is not recommended. A contrast adjustment function should be included in the software.
7
SEIKO [ SEIKO EPSON CORPORATION ]
