DATA STORING METHOD AND MEMORY CONTROLLER AND MEMORY STORAGE DEVICE USING THE SAME

摘要

A data storing method for a rewritable non-volatile memory module and a memory controller and a memory storage device using the same are provided. The data storing method includes moving or writing data into a physical erase unit of the rewritable non-volatile memory module and determining whether the physical erase unit contains a dancing bit. The data storing method further includes when the physical erase unit contains the dancing bit, restoring the rewritable non-volatile memory module to the state before the data is moved or moving the data from the physical erase unit to another physical erase unit. Thereby, the data storing method can effectively ensure the reliability of the data.

主权项

1. A data storing method for a rewritable non-volatile memory module, wherein the rewritable non-volatile memory module has a plurality of physical erase units, each of the physical erase units has a plurality of physical program units, and the physical erase units are grouped into at least a system area, the data storing method comprising:
writing system data into a first physical erase unit in the system area; determining whether the first physical erase unit contains a dancing bit; and when the first physical erase unit contains the dancing bit, selecting a second physical erase unit among the physical erase units, and writing the system data into the second physical erase unit.