DATA STORAGE APPARATUS AND METHOD FOR WRITING DATA
First Claim
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1. A data storage apparatus comprising:
- a reader configured to read data stored in a flash memory, where the data is stored in a write-back area and a modify write area in the flash memory;
an error detector configured to detect errors in the data read from the flash memory; and
a controller configured to perform a data writing process, where the controller does not correct the detected errors in the data stored in the modify write area.
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Abstract
According to one embodiment, a data storage apparatus includes a read module, an error detector and a controller. The read module is configured to read data from a flash memory, more precisely from a rewrite area and a write-back area, both provided in the flash memory. The error detector is configured to detect errors, if any, in the data read. The controller is configured to keep rewriting data, without correcting the errors the error detector has detected in the rewrite area of the flash memory.
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Citations
18 Claims
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1. A data storage apparatus comprising:
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a reader configured to read data stored in a flash memory, where the data is stored in a write-back area and a modify write area in the flash memory; an error detector configured to detect errors in the data read from the flash memory; and a controller configured to perform a data writing process, where the controller does not correct the detected errors in the data stored in the modify write area. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A method, implemented on an electronic device, for writing data in a data storage apparatus having a flash memory, the method comprising:
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reading data from the flash memory, where the data is stored in a write-back area and a modify write area in the flash memory; detecting errors in the data read from the flash memory; and continuing a data writing process, without correcting the errors, when errors are detected in the data read held in the modify write area. - View Dependent Claims (11, 12, 13, 14, 15, 16, 17, 18)
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Specification