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3.4.5 USB
The USB interface supports plug-and-play and hot-swap functions, allowing the user to protect or
disconnect the device without shutting down the computer, as defined below;
Pins
USB 3.0
USB 2.0
1
+5V_USB
+5V_USB
2
USB_DATA-
USB_DATA-
3
U
U
4
GND
GND
5
USB_SSRX-
6
U
7
GND
8
USB_SSTX-
9
U
3.4.6 SIM2
This motherboard adopts Nano SIM drawer-type six-legged card holder, defined as follows;
Pins
Signal
Pins
Signal
1
VCC
2
RST
3
CLK
4
GND1
5
GND0
6
VPP
7
I_O
