Pin Name Description Level1 VCC Power Supply 5V max 500 mA2 DN Data minus3 DP Data plus4 GND Ground5 GND Ground6 UART4_TX Transmit data (Output)7 UART4_RX Receive data (Input)8 UART4_RTS Request-to-send (Output)9 UART4_CTS Clear-to-send (Input)10 GND GroundHeader: Molex 53398-1019Plug: Molex 51021-1000Crimp Contact: Molex 43030-00072 51PRODUCT MANUALSANTARO core6.15 USB intern (X11)