Usb Device; User Led And Button - Digi ConnectCore 8X Hardware Reference Manual

USB device

One USB micro AB-type connector (J10) is available on the bottom side of the ConnectCore 8X SBC Express board to allow a USB device connection to the
system.
CAUTION! The CPU USB bus connected to the micro AB-type receptacle is the USB_OTG1, which is also connected to the dual USB A-type
receptacle. Connecting two devices to the USB_OTG1 port at the same time will cause a short circuit in the differential data pair.

User LED and button

One user LED (red) and one button are located on the bottom-left corner of the ConnectCore 8X SBC Express board. Both the LED and the button are
connected to GPIOs from the CPU, as follows:
Device i.MX 8X GPIO port
User LED GPIO0_19
User button GPIO0_20