NAND model flash memory magnetic disk device and method for detection of logical bit address
A disk device and logic bit technology, applied in static memory, read-only memory, detection of faulty computer hardware, etc., can solve the problems of slow memory access data, slow search time, etc., to improve performance and improve processing speed. Effect
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[0033] The present invention copies and builds a part of the Partial Inverse Address Mapping Table (Partial Inverse Address Mapping Table) when the system is turned on, that is, a part of the physical / logical address mapping table, and utilizes the functions of hardware such as counters and comparators to cooperate with random memory The access memory itself has the characteristic of continuous reading, and a part of the physical / logical address mapping table in the random access memory is searched to obtain the logical address relative to the physical address.
[0034] When using data storage and reading in flash memory, each block available for data access has a physical address to represent the address of the actual physical memory in the memory, such as figure 2 As shown in (a), each block has a physical address and its corresponding logical address, and the physical address and logical address have a non-linear correspondence. When the system is powered on for initializa...
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