65
HCD-U1BT
Pin No. Pin Name I/O Description
51 to 61 A19 to A9 — Not used (Open)
62 VCC — Power supply terminal (+3.3V)
63 A8 — Not used (Open)
64 VSS — Ground terminal
65 to 72 A7 to A0 — Not used (Open)
73 to 88 D15 to D0 — Not used (Open)
89 to 92 NC — Not used (Open)
93 SPEC IN I Setting terminal for the model and destination, Not used (Ground)
94 KEY2 I Front panel key input terminal (A/D output)
95 KEY1 I Front panel key input terminal (A/D input)
96 AVSS — Ground terminal
97 KEY0 I Key input terminal, Not used (Open)
98 VREF I Reference voltage (+3.3V) input terminal
99 AVCC — Power supply terminal (+3.3V)
100 NC — Not used (Open)
w
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w
.
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
http://www.xiaoyu163.com
http://www.xiaoyu163.com
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