* Fully compliant with the Universal Serial us
* Specification, version 1.1, Compatible USB2.0
* Single chip integrated USB hub controller with
embedded proprietary processor.
* Built-in 3.3V voltage regulator allows single -5v
operation voltage
* Resulting in reduced overall cost
* Run at 12 MHz frequency
* Driverless, hot plug & play Designed with super
streamline & mini, blue
* LED show Support OS: Windows XP, 2000, ME,
98SE, 98, Linux2.4 and Mac OS 8.5 or over version

Universal Serial Bus Specification Rev. 2.0
Advanced Configuration and Power Interface,
and USB power management requirements
Self-powered capability
USB suspend mode support
Configurable number of ports
Internal Power-On Reset（POR）and low
Port status indicators
Built-in overcurrent detection circuit
Visual USB traffic monitoring for the
upstream facing port
Uses 12MHz crystal oscillator with on-chip
Phase-Locked Loop（PLL）for low
Electromagnetic Interference（EMI）