CP2102/9
SINGLE-CHIP USB-TO-UART BRIDGE
For newer designs, the CP2102N devices offer compatible footprints and are recommended for use instead of the CP2102/9. See the Silicon Labs website (www.silabs.com/usbxpress) for more information.
Single-Chip USB to UART Data Transfer - Integrated USB transceiver; no external resistors required - Integrated clock; ...