Infineon CY7C65213-32LTXI, USB Controller, 12Mbps, USB 2.0, 1.8 V, 3.3 V, 32-Pin QFN

USB 2.0 certified, Full-Speed (12 Mbps)
Support for communication driver class (CDC), personal health care device class (PHDC), and vendor device class
Battery charger detection (BCD) compliant with USB Battery Charging Specification Rev 1.2 (Peripheral Detect only)
Integrated USB termination resistors
Two-channel configurable UART interfaces
CY7C65215 supports 2-pin, 4-pin and 6-pin UART interface whereas CY7C65215A supports 2-pin, 4-pin, 6-pin and 8-pin
Data rates up to 3 Mbps
Supports flow control using CTS, RTS, DTR, DSR
Supports UART break signal
CY7C65215 supports dual channel RS232/RS422 interfaces whereas CY7C65215A supports RS232/RS422/RS485
256 bytes for each transmit and receive buffer per channel
Supports Motorola, TI, and National SPI modes
Two-channel configurable I2C interfaces
256 bytes for each transmit and receive buffer per channel
Max CapSense buttons: 8
GPIOs linked to CapSense buttons
JTAG interface: JTAG master for code flashing at 400 kHz
General-purpose input/output (GPIO) pins: 17
Configuration utility (Windows) to configure the following:
UART/I2C/SPI/JTAG
Driver support for VCOM and DLL
Windows: 10, 8.1, 8,7, Vista, XP, CE
Mac OS-X: 10.6, and later versions
Linux: Kernel version 2.6.35 onwards
Android: Gingerbread and later versions

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.