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USB2502 Datasheet, PDF (1/44 Pages) SMSC Corporation – 2-Port USB 2.0 Hub Controller
USB2502
2-Port USB 2.0 Hub
Controller
PRODUCT FEATURES
„ Integrated USB 2.0 Compatible 2-Port Hub
— High-Speed (480Mbits/s), Full-Speed (12Mbits/s) and
Low-Speed (1.5Mbits/s) compatible
— Full power management with ganged 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
Datasheet
„ On-Board 24MHz Crystal Driver Circuit or 24 MHz
external clock driver
„ Internal PLL for 480MHz USB 2.0 Sampling
„ Internal 1.8V Linear Voltage Regulator
„ Integrated USB termination and Pull-up/Pull-down
resistors
„ Internal Short Circuit protection of USB differential
signal pins
„ Basic single-color LED support
„ 1.8 Volt Low Power Core Operation
„ 3.3 Volt I/O with 5V Input Tolerance
„ 36 Pin QFN or 48 Pin TQFP lead-free RoHS
compliant package
SMSC USB2502
DATASHEET
Revision 2.1 (12-06-06)