In summary, the CP21xx products expand on Silicon Labs portfolio of existing USB bridge devices. The CP21xx products include: CP2104 USB to UART, CP2104 USB to Dual UART, CP2110 HID-USB to UART and CP2112 HID-USB to SMBus\I²C. The CP21xx offers compelling features that are unmatched by any competitor, including USB crystal-less operation, in-system programming memory, small package size and a complete development ecosystem that includes royalty-free driver suites. Finally, the HID-USB solutions are only offered by Silicon Labs (CP2110 and CP2112). These solutions do not require a driver installation and offer seamless compatibility with most operating systems.