77
HCD-GNZ77D/GNZ88D
Pin No. Pin Name I/O Pin Description
96 AVSS — Ground pin
97 AD KEY 1 I Key signal input (A/D input)
98 VREF I A/D Converter reference voltage input (+3.3 V)
99 AVCC — Power supply pin (+3.3 V) (for A/D conversion)
100 MAIN ON/OFF O Main power on/off control signal output “H”: power on
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.
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a
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y
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1
6
3
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c
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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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