hi,all Why no one pursue usb host controller ip core?I was not so clear with the root hub and a general hub.If implementing a host controller,should we integrate the hub repeater bolock described in specification into the main core? Regards MeiZX meizx@ict.ac.cn 2002-10-10 -- To unsubscribe from usb mailing list please visit http://www.opencores.org/mailinglists.shtml