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The Mini210S is powered by an external 5V power supply. It has two power inlets:
CN1 is for 5V power adapter and the white CON13 is a 4 pin socket used to connect an
external power supply when the board is embedded in a closed box.
CON13
NO.
Pin Spec
1
VDD5V
2
GND
3
GND
4
VDDIN
Note: this layout is convenient for users to connect S1
when it is extended
Power inlet type and dimension:
2.3.2 Serial Port
The S5PV210 has four serial ports: UART0, 1, 2 and 3. The UART0 and 1 are four
wire serial ports and UART2 and 3 are two wire serial ports.