USB 3.1  ( )

    →  Jul, 2013

    →  SuperSpeed+ : 10Gbps

    →  Power Profile 0 reserved
      Power Profile 1 capable of supplying at least 5V @ 2.0A
      Power Profile 2 ports are capable of supplying at least 5V @ 2.0A, 12V @ 1.5A.
      Power Profile 3 ports are capable of supplying at least 5V @ 2.0A, 12V @ 3A.
      Power Profile 4 ports are capable of supplying at least 5V @ 2.0A, 12V and 20V at 3A respectively.
      Power Profile 5 ports are capable of supplying at least 5V @ 2.0A, 12V and 20V at 5A respectively.

    →  Type-A (AM/AF), Type-C (CM/CF), Micro-B

 

USB 3.0  ( xHCI : eXtensible Host Controller Interface )

    →  Nov, 2008
    →  SuperSpeed : 5Gbps

    →  5V/900mA, 12V/900mA.

    →  Blue Color.

 

USB 2.0  ( EHCI : Enhanced Host Controller Interface )

    →  Apr, 2000
    →  High-Speed : 480Mbps

    →  5V/500mA.

    →  최대 5M.

 

    ※ OTG (On-The-Go)

        -.  Jul, 2003

        -.  Low-Speed : 1.5Mbps

        -.  Full-Speed : 12Mbps

        -.  HNP : Host Negotiation Protocol.
        -.  SRP : Session Request Protocol.

 

USB 1.1  ( OHCI : Open Host Controller Interface - Compaq, Microsoft, National SemiConductor )

                  ( UHCI : Universal Host Controller Interface - Intel, VIA )

    →  Sep, 1998

    →  Full-Speed : 12Mbps

    →  5V/500mA.

    →  최대 5M.

 

USB 1.0  ( OHCI : Open Host Controller Interface - Compaq, Microsoft, National SemiConductor )

                  ( UHCI : Universal Host Controller Interface - Intel, VIA )

    →  Jan, 1996

    →  Low-Speed : 1.5Mbps

    →  5V/500mA.

    →  최대 5M.

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