In the board, two usb 2.0 hub(CY7C65640) are connected to the TX2. and two USB-UART chips(FT4232H) and two 4G model device and one ttyACM0 device are connected to the two usb2.0 hub. which is depicted as below:
But the TX2 meets two serous problems!!
sometimes, After power, TX2 detect the usb devices very late and occur the error “usb 1-2.2 can’t set config #1, error -110 and usb disconnect”
sometimes, after power on, the usb device will enter into disconnected state, then connect again after several seconds, which is depicted as below:
who meet the same problems and know the reason?