The USB UART 2 Click Board™ provides USB isolation and carries the ADUM4160BRWZ USB port isolator. It used the FT232RL USB to UART Interface from FDTI.
The USB UART 2 Click Board™ is designed to run on either 3.3V or 5V power supply. It communicates with the target microcontroller over the UART interface, with additional functionality provided the following pins on the MikroBUS line: RST, CS, PWM, INT.