The logical Host Controller Interface does not consider multiplexing/routing over the Host Controller Transport Layer(s). The Host designer must consider this in deciding which of the multiple controller configurations it will support. Each logical A…
Protecting computer systems from attacks that attempt to change USB topology and for ensuring that the system's information regarding USB topology is accurate is disclosed. A software model is defined that, together with secure USB hardware, provides…
The Host Controller (HC) contains a set of on-chip operational registers which are mapped into a noncacheable portion of the system addressable space. These registers are used by the Host Controller Driver (HCD). According to the function of these re…