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)
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