Please note that this adapter does NOT use USB3.0 signalling. The only USB signalling going on is USB2.0 to the STM32 micro which seems to configure the actual

Please note that this adapter does NOT use USB3.0 signalling. The only USB signalling going on is USB2.0 to the STM32 micro which seems to configure the actual Display-Port to HDMI-Bridge chip. The "High Speed Lanes" (on which normally USB3.0 data is transferred) is re-purposed as a displayport connection. (in the block diagram ML(0…3)± are the differential display-port "lanes", they are connected to the USB "C" plug SSD(p/n)(1…4) shielded differential pairs)