The CP2102N-A02-GQFN20R is a USB interface IC USB to UART bridge manufactured by Silicon Labs. It is a fully integrated and self-contained solution that allows designers to quickly and easily add full-speed USB communication to their designs. This device includes a USB 2.0 Full-Speed compliant host controller, a UART with support for both 7/8 bit UART, as well as RS-232 and RS-485, and a power management controller. It is housed in a 20-pin QFN package, so it can easily fit into small designs. With its USB 2.0 full-speed compatible interface, it offers power-efficient performance without sacrificing performance.