Cypress Semiconductor CY7C65631-56LTXC, USB Controller, 4-Channel, USB 2.0, 3.3 V, 56-Pin QFN

USB 2.0 hub controller
Up to four downstream ports supported
Supports bus powered and self powered modes
Single transaction translator (TT)
Bus power configurations
Space saving 56-pin QFN
Single power supply requirement
Internal regulator for reduced cost
Integrated upstream pull-up resistor
Integrated pull-down resistors for all downstream ports
Integrated upstream and downstream termination resistors
Integrated port status indicator control
24 MHz external crystal (integrated phase locked loop (PLL))
In-system EEPROM programming
Configurable with external SPI EEPROM:
Vendor ID, Product ID, Device ID (VID/PID/DID)
Number of active ports
Number of removable ports
Maximum power setting for high speed and full speed
Hub controller power setting
Power on timer
Overcurrent detection mode
Enabled and disabled overcurrent timer
Overcurrent pin polarity
Indicator pin polarity
Compound device
Enable full speed only
Disable port indicators
Ganged power switching
Self and bus powered compatibility
Fully configurable string descriptors for multiple language support