Definitions of "bus" and "interface" are distinctly different

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  • japlytic
    Badcaps Legend
    • Oct 2005
    • 2086
    • Australia

    #1

    Definitions of "bus" and "interface" are distinctly different

    A bus is defined as one where at least one of its signals is bidirectional (e.g. I2C, 3 wire (Select, Data IN/OUT, Clock) SPI) and an interface is where all signals are unidirectional (e.g. 4 wire SPI (Select, Data IN, Data OUT, Clock); however, certain devices can switch from a bus to an interface and vice versa e.g. Secure Digital (SD) card and certain SPI devices.
    My first choice in quality Japanese electrolytics is Nippon Chemi-Con, which has been in business since 1931... the quality of electronics is dependent on the quality of the electrolytics.

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