Debugging
PPC-1781
· 21 ·
Note: The factory default status is high level, and the voltage range of input/output
signal is 0-5V.
Before initializing BIOS, GPIO output status is set up as follows:
JP1(1-2)
GPIO OUT
：
H(Default)
JP1(2-3)
GPIO OUT
：
L
Note: GPIO is brought out via expansion board, and JP1 is not the expansion board.
5.2.6 USB Port
USB3.0 standard port (USB1/2)
Pin
Signal Name
1 +5V_USB
2 USB_DATA-
3 U
4 GND
5 USB_SSRX-
6 U
7 GND
8 USB_SSTX-
USB1, USB2
9 U
