Method of controlling semiconductor memory card system

Details Method of controlling semiconductor memory card system Method of controlling semiconductor memory card system

2011-07-12

2011-07-12

Ellis, Kevin L (Department: 2187)

Electrical computers and digital processing systems: memory

Storage accessing and control

Specific memory composition

C711S104000, C711S154000

Reexamination Certificate

active

07979636

ABSTRACT:
A method of controlling a semiconductor memory card system including a host device incorporating a semiconductor memory card and communicating information with a user of the host device to warn the imminent end of the life of the memory card in the system is provided. According to one aspect, there is provided a method of controlling a semiconductor memory card, the method comprising creating end-of-life index data of the semiconductor memory card, reading the end-of-life index data in response to a command from a host device to the semiconductor memory card, creating an end-of-life warning status of the semiconductor memory card from the end-of-life index data based on a life control limit value, and sending a response containing the end-of-life warning status to the host device as a response to the command through the same communication line as that for the command.

REFERENCES:
patent: 2003/0002366 (2003-01-01), Mizoguchi et al.
patent: 2003/0135793 (2003-07-01), Craig et al.
patent: 2007/0180186 (2007-08-01), Cornwell et al.
patent: 7-65592 (1995-03-01), None
patent: 2003-85054 (2003-03-01), None

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