The SMSC 4-Port Hub is fully compliant with the USB 2.0 Specification and will attach to a USB host as a Full-Speed Hub or as a Full-/High-Speed Hub. The 4-Port Hub supports Low-Speed, Full-Speed, and High-Speed (if operating as a High-Speed Hub) downstream devices on all of the enabled downstream ports.
PRODUCT FEATURES
■ Integrated USB 2.0 Compatible 4-Port Hub
— 4 Transaction Translators for highest performance
— High-Speed (480Mbits/s), Full-Speed (12Mbits/s) and Low-Speed (1.5Mbits/s) compatible
— Full power management with per port or ganged, selectable power control
— Detects Bus-Power/Self-Power source and changes mode automatically
■ Complete USB Specification 2.0 Compatibility
— Includes USB 2.0 Transceivers
■ VID/PID/DID, and Port Configuration for Hub via:
— Single Serial I2C EEPROM
— SMBus Slave Port
■ Default VID/PID/DID, allows functionality when configuration EEPROM is absent
■ Hardware Strapping options allow for configuration without an external EEPROM or SMBus Host