Memory card device, and memory card control method for...

Details Memory card device, and memory card control method for... Memory card device, and memory card control method for...

2007-02-27

2007-02-27

Sough, Hyung (Department: 2188)

Electrical computers and digital processing systems: memory

Storage accessing and control

Specific memory composition

Reexamination Certificate

active

10930872

ABSTRACT:
A memory card device includes a host interface unit configured to receive a plurality of commands from a host apparatus, the commands including at least a memory access command with a memory address of a specific bit width, a nonvolatile semiconductor memory which includes a storage area whose memory size is larger than a maximum memory size that is addressable by the memory address, a bank identification number management unit configured to divide the storage area into a plurality of banks and manage a plurality of bank identification numbers corresponding to the banks, a bank designation unit configured to designate one of the banks in accordance with a bank identification number included in a bank designation command transmitted from the host apparatus, and a memory control unit configured to access the designated one of the banks in accordance with the memory access command with the memory address.

REFERENCES:
patent: 4473877 (1984-09-01), Tulk
patent: 5630098 (1997-05-01), Vermeer et al.
patent: 6430648 (2002-08-01), Carnevale
patent: 6-274412 (1994-09-01), None
patent: 2000-357126 (2000-12-01), None
patent: 2001-51897 (2001-02-01), None

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