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Multi-functional mini-memory card suitable for SFMI and USB interfaces

  • US 6,745,267 B2
  • Filed: 09/17/2002
  • Issued: 06/01/2004
  • Est. Priority Date: 08/09/2002
  • Status: Expired due to Fees
First Claim
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1. A multi-functional mini-memory card for storing data and support data input and output, the multi-functional mini-memory card comprising:

  • a memory card I/O functional module for inputting and outputting data;

    a memory for storing data; and

    a main controller connecting between the memory card I/O functional module and the memory for controlling the operation of the memory card I/O functional module and the memory;

    characterized in that;

    the input/output port of the multi-functional mini-memory card have eight joints, four of the eight joint is used for USB interface, and all eight joints are used for an SFMI interface;

    the four joints used to USB interface includes a power source joint (Vcc), a ground (GND) joint, two data transfer joints (D+and D−

    );

    the eight joints used in SFMI interface includes a power source joint (Vcc), a ground (GND) joint, four data transfer joints (D0, D1, D2, and D3), a clock joint (CLK) and a memory card insertion signal detection joint;

    wherein the power source joint and ground joint of the SFMI interface are identical to the power source joint and the ground joint of the USB interface, respectively.

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