Specifications
3–18 EPSON
SED1210
Examples of drive waveforms are shown below.
• LCD Drive Waveform – 1 Line Display (1/8 Duty Cycle)
COM 1
2
3
4
5
6
7
8
SEG
1
4/4(V
DD—
V
LCD
)
3/4 "
2/4 "
1/4 "
0
-1/4 "
-2/4 "
-3/4 "
-4/4 "
4/4(V
DD—
V
LCD
)
3/4 "
2/4 "
1/4 "
0
-1/4 "
-2/4 "
-3/4 "
-4/4 "
V
DD
V
L1
V
L2
, V
L3
V
L4
V
LCD
V
DD
V
L1
V
L2
, V
L3
V
L4
V
LCD
V
DD
V
L1
V
L2
, V
L3
V
L4
V
LCD
V
DD
V
L1
V
L2
, V
L3
V
L4
V
LCD
V
DD
V
L1
V
L2
, V
L3
V
L4
V
LCD
V
DD
V
L1
V
L2
, V
L3
V
L4
V
LCD
2345
Frame signal
COM 1
COM 2
COM 3
COM 8
SEG 1
SEG 2
COM 1, SEG 1
Not Selected
COM 2, SEG 2
Selected