Epson S1C17W22 Technical Manual page 238

18 LCD DRIVER (LCD24A)
0 1 2
LFRO
COM0
COM1
COM2
COM3
COM22
COM23
SEGx
18-10
1 frame
3 ... 22 23 0
Figure 18.5.5.1 1/24 Duty Drive Waveform (1/4 bias)
Seiko Epson Corporation
1 2 3 ... 22 23
V
DD
V
SS
V
C4
V
C3
display status
V
C2
V
COM0
C1
V COM1
SS
COM2
V
C4
COM3
V
C3
:
V
C2
COM22
V
C1
COM23
V
SS
V
C4
V
C3
V
C2
V
C1
V
SS
V
C4
V
C3
V
C2
V
C1
V
SS
V
C4
V
C3
V
C2
V
C1
V
SS
V
C4
V
C3
V
C2
V
C1
V
SS
V
C4
V
C3
V
C2
V
C1
V
SS
V
C4
V
C3
V
C2
V
C1
V
SS
V
C4
V
C3
V
C2
V
C1
V
SS
V
C4
V
C3
V
C2
V
C1
V
SS
V
C4
V
C3
V
C2
V
C1
V
SS
S1C17W22/W23 TECHNICAL MANUAL
LCD
SEGx
Off
On
(Rev. 1.3)