32
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
MITSUBISHI MICROCOMPUTERS
38C8 Group
PRELIMINARY
Notice: This is not a final specification.
change.
Some parametric limits are subject to
Common Pin and Duty Ratio Control
The common pins (COM
0
–
COM
31
) to be used are determined by
duty ratio.
Select duty ratio by the duty ratio selection bit (bit 0 of the LCD mode
register).
Table 9 Duty ratio control and common pins used
Duty
ratio
Common pins used
Note:
The SEG
0
/COM
16
–
SEG
7
/COM
23
pins are used as the SEG
0
–
SEG
7
.
The SEG
67
/COM
24
–
SEG
60
/COM
31
pins are used as the SEG
67
–
SEG
60
.
COM
0
–
COM
15
(Note)
COM
0
–
COM
31
Duty ratio
selection bit
16
32
0
1
LCD Display RAM
Addresses 0040
16
to 012F
16
is the designated RAM for the LCD
display. When
“
1
”
are written to these addresses, the corresponding
segments of the LCD display panel are turned on.
Fig. 30 LCD display RAM map
(frequency of count source for LCDCK)
(divider division ratio for LCD)
f(LCDCK)
(duty ratio)
LCD Drive Timing
The LCDCK timing frequency (LCD drive timing) is generated inter-
nally and the frame frequency can be determined with the following
equation;
f(LCDCK) =
Frame frequency =
S
E
0 0 0 0 0 0 0 0 1 0 0 0 1 0 1 1 1 0 1 1 1 1 1 0
0 0 0 0 0 0 0 0 1 1 0 1 1 0 0 1 0 0 0 0 1 0 0 0
0 0 0 0 0 0 0 0 1 0 1 0 1 0 0 1 0 0 0 0 1 0 0 0
0 0 0 0 0 0 0 0 1 0 0 0 1 0 0 1 0 0 0 0 1 0 0 0
0 0 0 0 0 0 0 0 1 0 0 0 1 0 0 1 0 0 0 0 1 0 0 0
0 0 0 0 0 0 0 0 1 0 0 0 1 0 0 1 0 0 0 0 1 0 0 0
0 0 0 0 0 0 0 0 1 0 0 0 1 0 1 1 1 0 0 0 1 0 0 0
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
0 1 0 0 0 1 0 1 1 1 1 1 0 0 1 1 1 0 0 0 1 1 1 0
0 1 1 0 1 1 0 0 0 0 1 0 0 1 0 0 0 1 0 1 0 0 0 1
0 1 0 1 0 1 0 0 0 1 0 0 0 1 0 0 0 1 0 1 0 0 0 0
0 1 0 0 0 1 0 0 0 0 1 0 0 0 1 1 1 0 0 1 0 0 0 0
0 1 0 0 0 1 0 0 0 0 0 1 0 1 0 0 0 1 0 1 0 0 0 0
0 1 0 0 0 1 0 1 0 0 0 1 0 1 0 0 0 1 0 1 0 0 0 1
0 1 0 0 0 1 0 0 1 1 1 0 0 0 1 1 1 0 0 0 1 1 1 0
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
G
0
S
E
G
1
S
E
G
2
S
E
G
3
S
E
G
4
S
E
G
5
S
E
G
6
S
E
G
7
S
E
G
8
S
E
G
9
S
E
G
1
0
S
E
G
1
1
S
E
G
1
2
S
E
G
1
3
S
E
G
1
4
S
E
G
1
5
S
E
G
1
6
S
E
G
1
7
S
E
G
1
8
S
E
G
1
9
S
E
G
2
0
S
E
G
2
1
S
E
G
2
2
S
E
G
2
3
S
E
0 0 1 1 1 0 0 1 0 0 0 1 0 1 1 1 0 0 0 0 0 0 0 0 LSB
0 1 0 0 0
0 1 0 0 0 1 0 0 1 0 0 0 0 0 0 0 0 0
0 1 0 0 0 0 0 1 0 0 0 1 0 0 1 0 0 0 0 0 0 0 0 0
0 0 1 1 1 0 0 1 1 1 1 1 0 0 1 0 0 0 0 0 0 0 0 0
0 0 0 0 0 1 0 1 0 0 0 1 0 0 1 0 0 0 0 0 0 0 0 0
0 1 0 0 0 1 0 1 0 0 0 1 0 0 1 0 0 0 0 0 0 0 0 0
0 0 1 1 1 0 0 1 0 0 0 1 0 1 1 1 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 MSB
1 1 1 1 1 0 1 1 1 1 1 0 1 1 1 1 1 0 1 1 1 1 0 0 LSB
1 0 0 0 0 0 1 0 0 0 0 0 1 0 0 0 0 0 1 0 0 0 1 0
1 0 0 0 0 0 1 0 0 0 0 0 1 0 0 0 0 0 1 0 0 0 1 0
1 1 1 1 0 0 1 1 1 1 0 0 1 1 1 1 0 0 1 1 1 1 0 0
1 0 0 0 0 0 1 0 0 0 0 0 1 0 0 0 0 0 1 0 0 0 0 0
1 0 0 0 0 0 1 0 0 0 0 0 1 0 0 0 0 0 1 0 0 0 0 0
1 1 1 1 1 0 1 0 0 0 0 0 1 0 0 0 0 0 1 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 M
G
4
4
S
E
G
4
5
S
E
G
4
6
S
E
G
4
7
S
E
G
4
8
S
E
G
4
9
S
E
G
5
0
S
E
G
5
1
S
E
G
5
2
S
E
G
5
3
S
E
G
5
4
S
E
G
5
5
S
E
G
5
6
S
E
G
5
7
S
E
G
5
8
S
E
G
5
9
S
E
G
6
0
S
E
G
6
1
S
E
G
6
2
S
E
G
6
3
S
E
G
6
4
S
E
G
6
5
S
E
G
6
6
S
E
G
6
7
S
B
0 0 1 0 0 0 1 0 1 1 1 1 1 0 0 1
0 0 1 1 0 1 1 0 0 0 0 1 0 0 1 0
0 0 1 0 1 0 1 0 0 0 1 0 0 0 1 0
0 0 1 0 0 0 1 0 0 0 0 1 0 0 0 1
0 0 1 0 0 0 1 0 0 0 0 0 1 0 1 0
0 0 1 0 0 0 1 0 1 0 0 0 1 0 1 0
0 0 1 0 0 0 1 0 0 1 1 1 0 0 0 1
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
1 0 0 1 0 0 0 1 0 1 1 1 1 1 0 0 L
0 1 0 1 1 0 1 1 0 1 0 0 0 0 0 0
0 1 0 1 0 1 0 1 0 1 0 0 0 0 0 0
1 1 0 1 0 0 0 1 0 1 1 1 1 0 0 0
0 1 0 1 0 0 0 1 0 1 0 0 0 0 0 0
0 1 0 1 0 0 0 1 0 1 0 0 0 0 0 0
0 0 1 0 0 0 1 0 1 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 MSB
S
B
COM0
COM1
C
O
C
O
C
O
C
O
C
O
COM7
COM8
COM9
COM10
COM11
C
O
M
C
O
M
C
O
M
C
O
M
M
M
M
M
M
2
3
4
5
6
C
C
C
C
COM21
COM22
COM23
COM24
COM25
COM26
COM27
C
O
M
C
O
M
C
O
M
C
O
M
O
O
O
O
M
M
M
M
1
1
1
2
7
8
9
0
0 0 0 0 0 0 0 0 0 0 1 0 0 0 1 0
0 0 0 0 0 0 0 0 0 0 1 0 0 0 1 0
0 0 0 0 0 0 0 0 0 0 0 1 0 1 0 0
0 0 0 0 0 0 1 1 1 0 0 0 1 0 0 0
0 0 0 0 0 0 0 0 0 0 0 1 0 1 0 0
0 0 0 0 0 0 0 0 0 0 1 0 0 0 1 0
0 0 0 0 0 0 0 0 0 0 1 0 0 0 1 0
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
1 1 1 1 1 0 1 1 1 1 0 0 0 0 0 0 LSB
1 0 0 0 0 0 1 0 0 0 1 0 0 0 0 0
1 0 0 0 0 0 1 0 0 0 1 0 0 0 0 0
1 1 1 1 0 0 1 1 1 1 0 0 0 0 0 0
1 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0
1 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0
1 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 M
1
1
1
1
2
3
4
5
2
2
3
3
8
9
0
1
S
B
L
e
C
n
D
s
e
d
i
e
s
p
c
l
a
i
n
y
g
m
3
a
p
p
a
W
h
l
t
g
e
0
3
4
0
0
3
4
1
0
3
4
2
0
3
4
3
0
3
4
4
0
3
4
5
0
3
4
6
0
3
4
7
0
3
4
8
0
3
4
9
0
3
4
A
0
3
4
B
0
3
4
C
0
3
4
D
0
3
4
E
0
3
4
F
0
3
5
0
0
3
5
1
0
3
5
2
0
3
5
3
0
3
5
4
0
3
5
5
0
3
5
6
0
3
5
7
0
3
6
C
0
3
6
D
0
3
6
E
0
3
6
F
0
3
7
0
0
3
7
1
0
3
7
2
0
3
7
8
0
3
7
4
0
3
7
5
0
3
7
6
0
3
7
7
0
3
C
7
8
0
3
D
7
9
0
3
7
A
0
3
7
B
0
3
7
C
0
3
7
D
0
3
7
E
0
3
7
F
0
3
8
0
0
3
8
1
0
3
8
2
0
3
8
3
0
3
8
4
0
3
8
5
0
3
8
6
0
3
8
7
0
3
8
8
0
3
8
9
0
3
8
A
0
3
8
B
0
3
8
C
0
3
8
D
0
3
8
E
0
3
8
F
0
3
9
0
0
3
9
1
0
3
9
2
0
3
9
3
0
3
9
4
0
3
9
5
0
3
9
6
0
3
9
7
0
3
9
8
0
3
9
9
0
3
9
A
0
3
9
B
0
3
B
0
0
3
B
1
0
3
B
2
0
3
B
3
0
3
B
4
0
3
B
5
0
3
B
6
0
3
B
7
0
3
B
8
0
3
B
9
0
3
B
A
0
3
B
B
0
3
B
0
3
B
0
3
B
E
0
3
B
F
0
3
C
0
0
3
C
1
0
3
C
2
0
3
C
3
0
3
C
4
0
3
C
5
0
3
C
6
0
3
C
7
0
3
C
8
0
3
C
9
0
3
C
A
0
3
C
B
0
3
C
C
0
3
C
D
0
3
C
E
0
3
C
F
0
3
D
0
0
3
D
1
0
3
D
2
0
3
D
3
0
3
D
4
0
3
D
5
0
3
D
6
0
3
D
7
0
3
E
C
0
3
E
D
0
3
E
E
0
3
E
F
0
3
F
0
0
3
F
1
0
3
F
2
0
3
F
3
0
3
F
4
0
3
F
5
0
3
F
6
0
3
F
7
0
3
F
8
0
3
F
9
0
3
F
A
0
3
F
B
0
3
F
C
0
3
F
D
0
3
F
E
0
3
F
F
0
4
0
0
0
4
0
1
0
4
0
2
0
4
0
3
0
4
0
4
0
4
0
5
0
4
0
6
0
4
0
7
0
4
0
8
0
4
0
9
0
4
0
A
0
4
0
B
0
4
2
0
0
4
2
1
0
4
2
2
0
4
2
3
0
4
2
4
0
4
2
5
0
4
2
6
0
4
2
7
0
4
2
8
0
4
2
9
0
4
2
A
0
4
2
B
0
4
2
C
0
4
2
D
0
4
2
E
0
4
2
F
0
0
4
0
0
0
4
1
0
0
4
2
0
0
4
3
0
0
4
4
0
0
4
5
0
0
4
6
0
0
4
7
0
0
4
8
0
0
4
9
0
0
4
A
0
0
4
B
0
0
4
C
0
0
4
D
0
0
4
E
0
0
4
F
0
0
5
0
0
0
5
1
0
0
5
2
0
0
5
3
0
0
5
4
0
0
5
5
0
0
5
6
0
0
5
7
0
0
6
C
0
0
6
D
0
0
6
E
0
0
6
F
0
0
7
0
0
0
7
1
0
0
7
2
0
0
7
3
0
0
7
4
0
0
7
5
0
0
7
6
0
0
7
7
0
0
7
8
0
0
7
9
0
0
7
A
0
0
7
B
0
0
7
C
0
0
7
D
0
0
7
E
0
0
7
F
0
0
8
0
0
0
8
1
0
0
8
2
0
0
8
3
0
0
8
4
0
0
8
5
0
0
8
6
0
0
8
7
0
0
8
8
0
0
8
9
0
0
8
A
0
0
8
B
0
0
8
C
0
0
8
D
0
0
8
E
0
0
8
F
0
0
9
0
0
0
9
1
0
0
9
2
0
0
9
3
0
0
9
4
0
0
9
5
0
0
9
6
0
0
9
7
0
0
9
8
0
0
9
9
0
0
9
A
0
0
9
B
0
0
B
0
0
0
B
1
0
0
B
2
0
0
B
3
0
0
B
4
0
0
B
5
0
0
B
6
0
0
B
7
0
0
B
8
0
0
B
9
0
0
B
A
0
0
B
B
0
0
B
C
0
0
B
D
0
0
B
E
0
0
B
F
0
0
C
0
0
0
C
1
0
0
C
2
0
0
C
3
0
0
C
4
0
0
C
5
0
0
C
6
0
0
C
7
0
0
D
6
0
0
C
8
0
0
C
9
0
0
C
A
0
0
C
B
0
0
C
C
0
0
C
D
0
0
C
E
0
0
C
F
0
0
D
0
0
0
D
1
0
0
D
2
0
0
D
3
0
0
D
4
0
0
D
5
0
0
D
7
0
0
E
C
0
0
E
D
0
0
E
E
0
0
E
F
0
0
F
0
0
0
F
1
0
0
F
2
0
0
F
3
0
0
F
4
0
0
F
5
0
0
F
6
0
0
F
7
0
0
F
8
0
0
F
9
0
0
F
A
0
0
F
B
0
0
F
C
0
0
F
D
0
0
F
E
0
0
F
F
0
1
0
0
0
1
0
1
0
1
0
2
0
1
0
3
0
1
0
4
0
1
0
5
0
1
0
6
0
1
0
7
0
1
0
8
0
1
0
9
0
1
0
A
0
1
0
B
0
1
2
0
0
1
2
1
0
1
2
2
0
1
2
3
0
1
2
4
0
1
2
5
0
1
2
6
0
1
2
7
0
1
2
8
0
1
2
9
0
1
2
A
0
1
2
B
0
1
2
C
0
1
2
D
0
1
2
E
0
1
2
F
1
1
C
O
M
1
6
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