But why pin Y7 (USB1_DM) and pin AA7(USB1_DP) from chip connected to TYPE-C pins (A6, B6, A7, B7).|
RK3328 has 1 USB3.0 and USB2.0 x 2 . So USB3.0 connected to LAN IC, one USB2.0 connected to USB port and other USB2.0 connected to USB type-C
OrangePi_R1Plus_RK3328_Schematic_v1.2.pdf