Patent ID: 6510485
Filing Date: 2003-01-21
Classification: G06F

Abstract:
An electronic apparatus, comprising:at least one external device performing first data processing functions; a port unit being coupled to said at least one external device, conveying power to said at least one external device; a control unit performing second data processing fimctions; an interface unit being coupled to said control unit, said interface unit conveying the power to said port unit from said control unit; a reset unit being coupled to said interface unit and said control unit, said reset unit selectively resetting said interface unit; and a switch unit being coupled to said port unit and said interface unit, said switch unit switching on to convey power between said interface unit and said port unit, said switch unit switching off to not convey power between said interface unit and said port unit, said interface unit further comprising: a link layer controller converting data formats, said link layer controller including a reset terminal resetting said link layer controller; a physical layer arbiter selecting first information input from said port unit and conveying said first information to said link layer controller; a power regulator providing power to said link layer controller and said physical layer arbiter; and an indicating unit indicating a state of the power provided from said power regulator to said physical layer arbiter and indicating an operation state of said physical layer arbiter.