Datasheet

GND
3.3V
3.3V 3.3V
GND GND GND
3.3V
RV-1805
GND
3.3V
GND
3.3V
GND
3.3V
GND
3.3V 3.3V
GND
GND
1
2
3
4
1
2
3
4
1
2
3
4
GND
6
VCC
1
SDA
5
SCL
4
CAP_RC
2
CLK/INT
3
VBACKUP
7
PSW
8
WDI
9
U2
RST
10
1
2
3
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