USB2502 Ver la hoja de datos (PDF) - SMSC -> Microchip

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USB2502

2-Port USB 2.0 Hub Controller

SMSC -> Microchip 

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 2.3 (08-27-07)

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