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Priority-based flash memory control apparatus for XIP in serial flash memory, memory management method using the same, and flash memory chip thereof
Priority-based flash memory control apparatus for XIP in serial flash memory, memory management method using the same, and flash memory chip thereof
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机译:串行闪存中用于XIP的基于优先级的闪存控制装置,使用该控制装置的存储器管理方法及其闪存芯片
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摘要
A priority-based flash memory control apparatus (500) for XIP in a serial flash memory (100), a memory management method using the same, and a memory chip thereof. Efficient memory management is provided by assigning priorities to respective pages of a serial flash memory (100) and storing the pages retrieved from the serial flash memory (100) in a system memory (700) or cache memory (523) according to their priority. A memory management method using the flash memory control apparatus (500) according to the present invention includes, if a request for reading data at a given logical address is received from a main control unit (300), searching for the data at the corresponding logical address by referring to a predetermined address translation table; and reading the data at the corresponding logical address from a system memory (700) or a cache memory (523) and transmitting the read data to the main control unit (300), depending on the results of the search.
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