Pin No.
Pin Name
81, 82
—
83
POWER
84 to 90
—
91 to 93
KEY0 to KEY2
94
—
95
SOURCE
96
AVSS
97
—
98
VREF3.3V
99
+3.3V
100
—
I/O
I
Not used (fixed at "L")
O
Power on/off control signal output terminal Not used (pull down)
I
Not used (fixed at "L")
I
Key input terminal (A/D input) Not used (fixed at "H")
I
Not used (fixed at "L")
I
Not used (fixed at "L")
—
Ground terminal (for A/D converter)
I
Not used (fixed at "L")
I
Reference voltage (+3.3V) input terminal (for A/D converter)
—
Power supply terminal (+3.3V) (for analog system )
I
Not used (fixed at "L")
Function
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