| 摘要 |
A memory card system and a background information transfer method thereof are provided to improve performance of a memory by reducing a real operation time for reading and writing data to the memory card, as an operation to be operated after a pause period is prepared in advance by performing a background operation during the pause period. A host(110) generates a background command and a memory card(120) provides the host with background information representing whether the memory card supports a background operation. The memory card is an SD(Secure Digital) card and an MMC(Multimedia Memory Card), and the host transfers the background command to the memory code by using a command or data line.
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