USB Technology

  1. USB Host Controller Interfaces
    1. OHCI (Open Host Controller Interface)
      1. USB 1.x Support
        1. Memory-Mapped I/O
          1. Interrupt-Driven Operation
          2. UHCI (Universal Host Controller Interface)
            1. USB 1.x Support
              1. Software-Intensive Design
                1. Intel Architecture
                2. EHCI (Enhanced Host Controller Interface)
                  1. USB 2.0 High-Speed Support
                    1. Companion Controller Model
                      1. Periodic and Asynchronous Schedules
                      2. xHCI (Extensible Host Controller Interface)
                        1. USB 3.x and Later Support
                          1. Unified Architecture
                            1. Stream Support
                              1. Power Management Features

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                            9. USB Device Classes and Applications

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                            11. USB Software Stack and Drivers