Epson S1C17W12 Technical Manual page 237

18 LCD DRIVER (LCD4A)
0
Frame signal
COM0
COM1
COM2
SEGx
18-8
1 frame
1 2 0
Figure 18.5.5.2 1/3 Duty Drive Waveform
Seiko Epson Corporation
1 2
S1C17W12/W13 TECHNICAL MANUAL
V
DD
V
SS
V
C3
LCD
V
C2
display status
V
C1
V
COM0
SS
COM1
V
C3
COM2
V
C2
V
C1 SEGx
V
SS
Off
V
C3
On
V
C2
V
C1
V
SS
V
C3
V
C2
V
C1
V
SS
V
C3
V
C2
V
C1
V
SS
V
C3
V
C2
V
C1
V
SS
V
C3
V
C2
V
C1
V
SS
V
C3
V
C2
V
C1
V
SS
V
C3
V
C2
V
C1
V
SS
(Rev. 1.2)