[usb] usb datasheet

["April" <zhgyang@263.net>]

hello
where can i get the datasheet of usb hub controller,usb host controller and usb function controller in detail?

regards
                          hellen

_____________________________________________
数码产品新上市，酷 http://shopping.263.net/category21.htm
精品小家电迎夏热卖 http://shopping.263.net/category23.htm