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Storage Module and Method for Determining Whether to Back-Up a Previously-Written Lower Page of Data Before Writing an Upper Page of Data
Storage Module and Method for Determining Whether to Back-Up a Previously-Written Lower Page of Data Before Writing an Upper Page of Data
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机译:用于在写入数据的上一页之前确定是否备份先前写入的数据下一页的存储模块和方法
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摘要
A storage module and method are disclosed for determining whether to back-up a previously-written lower page of data before writing an upper page of data. In one embodiment, a storage module receives a command to write an upper page of data to memory cells that have already been programmed with a lower page of data. The storage module determines whether a command to protect the lower page of data was previously received. The storage module backs-up the lower page of data in another area of the memory before writing the upper page of data to the memory cells only if it is determined that the command to protect the lower page of data was previously received. The storage module then writes the upper page of data to the memory cells.
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