USB UART bridge
2 USB UART bridge chips — pinouts, specs, and datasheets.
CP2102
chip
CP2102
The CP2102 is a USB-to-UART bridge controller that integrates a USB transceiver, oscillator, and UART interface in a compact QFN package, enabling easy RS-232 to USB conversion with minimal components.
CP2104
chip
CP2104
The CP2104 is a USB-to-UART bridge controller that supports UART data transfer and includes GPIO functionality for status and control.