The CP2104 USB to UART Module is a high-performance USB-to-serial converter designed to provide reliable and efficient communication between USB-enabled devices and UART interfaces. Featuring a built-in USB transceiver, clock, and power-on reset circuit, this compact module eliminates the need for external components. It supports both 3.3V and 5V output levels, making it compatible with a wide range of microcontrollers and embedded systems.
With full compliance to the USB 2.0 specification, robust short-circuit protection, and an onboard status indicator LED, the CP2104 is ideal for developers, hobbyists, and professionals requiring stable and efficient serial communication
Key Feature
- Built-in USB transceiver – no external circuit required
- Integrated clock and power-on reset circuits
- Onboard 3.3V regulator output (no external voltage regulator needed)
- Supports USB 2.0 full-speed communication
- Compatible with standard UART handshake and flow control mechanisms
- Supports data formats: 8 data bits, 1 or 2 stop bits, optional parity
- 512-byte transmit and receive FIFO buffers
- Supports hardware flow control and X-ON/X-OFF software handshake
- Short-circuit protection with a self-recovery mechanism
- Onboard status LED for power and activity indication
- Supports dual voltage output: 3.3V and 5V