Ramaxel Technology (Shenzhen) Limited

Ming Jin

A method comprises steps of mapping a same physical page to two mutually coupled logic pages, one logic page being formed by mapping the least significant bit on the physical page, and the other logic page being formed by mapping the most significant bit on the physical page; buffering write data in a buffer memory, and merging the data, which is corresponding to the two mutually coupled logic pages, in the buffer memory into a piece of data corresponding to the physical page according to the mapping relationship between the physical page and the two mutually coupled logic pages; and performing charging/discharging control for the multi-layer memory cell of the physical page according to the merged data, so that a voltage state of the multi-layer memory cell is expressed as a numerical value of the merged data.

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Shenzhen, China

Ming Jin