USB hub 分线器设计
没时间了,先 记录下这些搜到的资料
http://www.microchip.com//wwwAppNotes/AppNotes.aspx?appnote=cn562711
https://www.taobao.com/product/fe1.1s-usb-2.0-hub.htm
http://www.genesyslogic.com/product_list.php?1st=3&2nd=10
http://www.ti.com/product/TUSB4020BI-Q1/technicaldocuments
http://bbs.ednchina.com/BLOG_ARTICLE_3011820.HTM
https://www.google.com.hk/?gws_rd=ssl#safe=strict&q=usb+2.0+hub+ic&btnK=Google+%E6%90%9C%E7%B4%A2
http://d1.amobbs.com/bbs_upload782111/files_25/ourdev_531893.pdf
http://www.amobbs.com/forum.php?mod=viewthread&tid=3868242&highlight=usb%2Bhub