Drive Waveforms - Epson S1C17W14 Technical Manual

18 LCD DRIVER (LCD8B)

18.5.5 Drive Waveforms

Figures 18.5.5.1 to 18.5.5.3 show some drive waveform examples.
0 1 2
LFRO
COM0
COM1
COM2
COM3
COM4
COM5
COM6
COM7
SEGx
18-8
1 frame
3 4 5 6 7 0
Figure 18.5.5.1 1/8 Duty Drive Waveform (1/3 bias)
Seiko Epson Corporation
1 2 3 4 5 6 7
V
DD
V
SS
V
C3
V
C2
display status
V
C1
V
COM0
SS
COM1
V
C3
COM2
V
C2
COM3
V
C1
COM4
V
SS
COM5
V
COM6
C3
V
COM7
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
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
S1C17W14/W16 TECHNICAL MANUAL
LCD
SEGx
Off
On
(Rev. 1.2)