Expanded test mode under support for host controller

摘要

Usb - host controller comprising:a widened host controller (225) for controlling a usb - high speed data traffic;at least one secondary host controller (215, 405, 410) for controlling a usb - fully speed - and / or usb - lower speed data traffic; anda usb - transceiver - macro-cell (610) which, with the expanded host controller is connected to the data transfer to and from a usb - an apparatus to unwind;wherein the enhanced host controller to a test circuit (620) for controlling the usb - transceiver - macro-cell, in order to fully speed - and / or lower speed to carry out test functions.