Infineon Reference Design CYUSBS232

CYUSBS232 USB-UART LP Reference Design Kit, Cypress Semiconductor

The USB-UART LP Bridge Controller provides a single USB-to-UART interface channel, with low power consumption in stand-by mode.
The CY7C65213 controller integrates Battery Charging Detection logic. The controller features up to 8-pins for Inputs/Outputs.

USB (Universal Serial Bus), Cypress Semiconductor

USB is a cable bus supporting data exchange between a host computer and a wide range of simultaneously accessible peripherals. There is a differential signal data interface for transmit and receive communication path. The bus includes power at 5 Volts.