SMSC USB2502 User Manual

SMSC USB2502

Revision 2.3 (08-27-07) 

„

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 I

2

C 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

„

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