Ft323r Usb Uart Direct

| Feature | FT323R | CP2102N (Silicon Labs) | CH340 (Nanjing Qinheng) | | :--- | :--- | :--- | :--- | | | 1.8V–3.3V | 1.8V–3.3V | 5V only (unless CH340X) | | Internal Crystal | Yes | Yes | No (requires external) | | Max Baud Rate | 3 Mbaud | 3 Mbaud | 2 Mbaud | | Driver Reliability | Excellent (OS native) | Good | Poor (unsigned drivers on Windows) | | EEPROM Programmable | Yes (extensive) | Limited | No | | Cost | $$ (Mid-range) | $$ | $ (Low, but counterfeit risk) |

If you are designing a new product that requires USB-to-serial conversion, unless you need 5V I/O (rare in new designs). The combination of integrated clock, low-voltage I/O, and FTDI’s mature driver ecosystem makes it the safest, most reliable choice for production environments. ft323r usb uart

Last updated: June 2025