23 lCD DRiVeR (lCD)
23-8
Seiko epson Corporation
S1C17624/604/622/602/621 TeChniCal Manual
0
1
0
1
LFRO
COM0
COM1
V
DD
V
SS
V
C3
V
C2
V
C1
V
SS
V
C3
V
C2
V
C1
V
SS
COM0
1
SEG
x
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
SEG
x
1 frame
Frame interrupt
Frame interrupt
LCD
display status
Off
On
4.2.4 1/2 Duty Drive Waveform
Figure 23.
0
0
LFRO
COM0
1 frame
Frame interrupt
Frame interrupt
LCD
display status
V
DD
V
SS
V
C3
V
C2
V
C1
V
SS
COM0
SEG
x
V
C3
V
C2
V
C1
V
SS
V
C3
V
C2
V
C1
V
SS
Off
On
SEG
x
4.2.5 Static Drive Waveform
Figure 23.