Enhanced overspeed function: A component that supports USB overspeed (greater than or equal to 5Gps) data function.
USB 2.0 function: Parts that support USB 2.0 data function.
External Device Protocol Adapter: The USB3 upstream port adapter passes USB 3.2 data from the USB4 port to the Enhanced SuperSpeed feature fabric.
The PCIe upstream port adapter transfers PCIe data from the USB4 port to the PCIe functional fabric. The Displayport output adapter passes DisplayPort data from the USB4 port to the DisplayPort display.
External device router: passes USB4 data from the hub and relies on the Time Management Unit (TMU) to allocate and synchronize time.
2. Working principle of external equipment:
The external device receives data from the USB4 interface, and the USB 2.0 data is directly passed to the USB 2.0 function module. The USB3 upstream port adapter separates the USB 3.2 data and passes it to the enhanced overspeed function module, the PCIe upstream port adapter separates the PCIe data and passes it to the PCIe function module, and the DisplayPort output adapter separates the video signal to the DisplayPort display module. In this way, the USB4 host can transfer files and display videos between external devices (such as solid-state drives, mobile hard drives, monitors, etc.).
