
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
MITSUBISHI MICROCOMPUTERS
3825 Group
20
Fig. 15 Port block diagram (2)
9
o
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t
s
5
5,
5
7
ata
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1
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on
register
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a
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c
10
ort
6
ata
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on
register
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1
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8
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ort
C sw
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sc
at
on c
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t
ort
81
ort
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c
1
5
0–
3
L3
L
2
L
1
e gate
nput s
gna
o
eac
transistor is controlled by the
LCD duty ratio and the bia
value.
S
S
16
0–
17
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SS
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7
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12
orts
71–
77
a
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a
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s
rect
on
register
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a
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c
14
ort
81
ata
us
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C
s
w
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-c
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generat
ng c
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nput
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-up contro
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8
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4,
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+
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