Apparatus and method for controlling a card device

Details Apparatus and method for controlling a card device Apparatus and method for controlling a card device

2005-04-26

2005-04-26

Kim, Hong (Department: 2186)

Electrical computers and digital processing systems: memory

Storage accessing and control

Control technique

C711S154000, C711S115000, C711S103000, C235S380000

Reexamination Certificate

active

06886083

ABSTRACT:
An apparatus controls a card device. The apparatus includes an interface unit and a control unit. The interface unit receives a command issued by a host system. The received command contains an operation command designating an operation to be performed by the card device and execution state information showing a state in which the card device performs the operation designated by the operation command. The control unit performs a process of changing the state of the card device to a state designated by the execution state information contained in the received command, a process of issuing to the card device the operation command contained in the received command, and a process of setting the card device back to a specific state.

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SD Group; “Physical Layer Specification”; Part 1, Version 1.01, SD Memory Card Specifications, pp. 1-32, (Apr. 2001).

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