
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
MITSUBISHI MICROCOMPUTERS
7560 Group
43
Fig. 44 LCD drive waveform (1/3 bias)
I
C
n
t
e
C
r
n
K
a
l
t
i
l
m
o
g
i
n
i
c
g
L
D
1
/
4
d
u
t
y
V
o
l
t
a
g
e
l
e
v
e
l
V
L
3
V
S
S
C
O
M
0
C
O
M
1
C
O
M
2
C
O
M
3
S
E
G
0
O
F
F
O
N
O
F
F
ON
COM
3
COM
2
COM
1
COM
0
COM
3
COM
2
COM
1
COM
0
1/3 duty
OFF
O
N
O
N
O
F
F
ON
O
F
F
1
/
2
d
u
t
y
COM
0
C
O
M
1
COM
2
SEG
0
C
O
M
0
COM
1
S
E
G
0
OFF
ON
OFF
ON
OFF
ON
OFF
ON
V
L
V
L
V
S
V
L
3
2
1
S
V
L
V
L2
V
S
3
V
L
S
1
V
L
3
V
S
S
V
L
V
L
V
SS
V
L
3
2
1
V
L
3
V
S
S
COM
0
C
O
M
2
C
O
M
1
C
O
M
0
COM
2
COM
1
COM
0
COM
2
C
O
M
1
C
O
M
0
C
O
M
1
C
O
M
0
COM
1
C
O
M
0
C
O
M
1
C
O
M
0