— 30 —
• Abbreviation
FL : Fluorescent indicator tube
Pin No. Pin Name I/O Function
41 VSS – Ground
42 TX – Not used
43 TEX – Connected to ground
44 VDD (+5V) – Power supply (+5V)
45 VFDP (–30V) – Pull down voltage (–30V)
46 XSEL O Not used
47 — – Not used
48 LP CONTROL O LP control hold output
49 to 66 OPEN – Not used
67 to 87 S21 to S1 O FL segment signal output
88 1G O FL grid signal output
89 VDD (+5V) – Power supply (+5V)
90 to 100 2G to 12G O FL grid signal output
w
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.
x
i
a
o
y
u
1
6
3
.
c
o
m
Q
Q
3
7
6
3
1
5
1
5
0
9
9
2
8
9
4
2
9
8
T
E
L
1
3
9
4
2
2
9
6
5
1
3
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
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http://www.xiaoyu163.com
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