E0C88862
● 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: VDD=VC2 (LCX=FH)+0.1 to 5.5V, VSS=0V, Ta=25°C, C
1
to C10=0.1µF)
Unit Note
V
Characteristic
LCD drive voltage
Symbol
Condition
Min.
Typ.
Max.
VC2
When 1MΩ load resistor is connected
between VSS and VC2 (no panel load)
0.412VC5
V
C5
When 1MΩ load
LCX = 0H
3.61
3.76
3.88
4.00
4.12
4.27
4.39 Typ×1.06
4.51
4.63
4.75
4.90
5.02
5.14
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
1
TYPE A resistor is connected
between VSS and VC5
(no panel load)
LCX = 1H
LCX = 2H
LCX = 3H
LCX = 4H
LCX = 5H
LCX = 6H Typ×0.94
LCX = 7H
LCX = 8H
LCX = 9H
LCX = AH
LCX = BH
LCX = CH
LCX = DH
LCX = EH
5.26
5.38
5.53
LCX = FH
Note) 1 Fixing the LCD contrast is not recommended. A contrast adjustment function should be included in the software.
TYPE B
(Unless otherwise specified: VDD=VC2 (LCX=FH)+0.1 to 5.5V, VSS=0V, Ta=25°C, C
1
to C10=0.1µF)
Unit Note
V
Characteristic
LCD drive voltage
Symbol
Condition
Min.
Typ.
Max.
VC2
When 1MΩ load resistor is connected
between VSS and VC2 (no panel load)
0.412VC5
V
C5
When 1MΩ load
LCX = 0H
4.20
4.34
4.49
4.63
4.78
4.92
5.07 Typ×1.06
5.21
5.36
5.50
5.65
5.80
5.94
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
1
TYPE B resistor is connected
between VSS and VC5
(no panel load)
LCX = 1H
LCX = 2H
LCX = 3H
LCX = 4H
LCX = 5H
LCX = 6H Typ×0.94
LCX = 7H
LCX = 8H
LCX = 9H
LCX = AH
LCX = BH
LCX = CH
LCX = DH
LCX = EH
6.09
6.23
6.38
LCX = FH
Note) 1 Fixing the LCD contrast is not recommended. A contrast adjustment function should be included in the software.
7
SEIKO [ SEIKO EPSON CORPORATION ]
