Pigeon has 3 USB host ports. The total current of all USB +5V output and +5V DC connector output should not exceed 1A. More details about power control can be found at Power control section.
GPIO6 is connected to the RESET signal of the USB hub and Ethernet controller (LAN9514 chip). RESET input assertion (low state) time must be a minimum of 1 μS.
The fourth USB port marked as "USB DEVICE" should be used only for the system update.
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