USB HUB 4 ports

I have done this project about 5 years ago.You can use this hub inside of your design.It is small ,sample and usable.
The main chip is FE1.1 and other parts are so sample .
If you need this design you can send an email : rosseta.com@gmail.com

General description:
USB 2.0 HIGH SPEED 4-PORT HUB CONTROLLER
The FE1.1 is a highly integrated, high quality,
high performance, low power consumption, yet low cost solution for USB 2.0 4-Port Hub.
It adopts Multiple Transaction Translator (MTT) architecture to explore the maximum possible
throughput. Six, instead of two, non-periodic transaction buffers are used to minimize potential
traffic jamming. The whole design is based on state-machine-control to reduce the response
delay time; no micro controller is used in this chip.
To guarantee high quality, the whole chip is covered by Test Scan Chain – include even the
high speed (480MHz) modules, so that all the logic components could be fully tested before
shipping. Special Build-In-Self-Test mode is designed to exercise all high, full, and low speed
analog components on the packaging and testing stage as well.
Low power consumption is achieved by using 0.18μm technology and comprehensive
power/clock control mechanism. Most part of the chip will not be clocked unless needed.