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D-F20
QQ
3 7 63 1515 0
Pin No.
Pin Name
71
AM IN
72
VDD (1.8-2.2V)
73
RESET
74
XOUT
75
XIN
76
VXT
77
VLCD
78, 79
C1, 2
80
VEE
TE
L 13942296513
www
.
10
http://www.xiaoyu163.com
I/O
I
AM oscillation signal input
—
Power supply pin
I
Power reset signal input
O
Crystal oscillation signal output (75 kHz)
I
Crystal oscillation signal input (75 kHz)
—
Crystal oscillation signal pin
—
LCD voltage doubler
—
LCD voltage doubler
—
Constant voltage output to LCD.
x
ao
u163
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2 9
8
Pin Description
Q Q
3
6 7
1 3
1 5
co
.
9 4
2 8
0 5
8
2 9
9 4
2 8
m
9 9
9 9
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