600 Series Chipset Family Platform Controller Hub

Datasheet, Volume 1 of 2

ID 648364
Date 05/10/2022
Document Table of Contents

USB 3.2 Hosting DCI.DBC

It relies on Debug Class Devices (DbC) which is comprised of a set of logic that is bolted to the side of the xHCI host controller and enable the target to act the role of a USB device for debug purpose. This path uses the USB packet protocol layer, USB layer flow control and USB physical layer at 5 GHz (for USB 3.2) and 480 MHz (for USB 2.0). DCI.DBC - Fast speed. USB 3.2 only works in S0. USB 2.0 survives S0ix and Sx states and provides early boot access.