Data storage device and method
A data storage and data writing technology, applied in the direction of electrical digital data processing, memory system, memory architecture access/allocation, etc., can solve problems such as loss of mapping relationship, failure of the host to track invalid data, recovery, etc.
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[0040] figure 2 An embodiment of the present invention is illustrated with a block diagram, wherein the data storage device 202 at least includes: a memory control unit 204 , a first memory 206 , a second memory 208 and a third memory 210 . The memory control unit 204 has a logical-physical address configuration module 212 and a security module 214 . The logic-physical address configuration module 212 and the security module 214 above can be realized by software, or by hardware circuit, or by a joint design of software and hardware. The above-mentioned first memory 206 , second memory 208 and third memory 210 may be the same memory element, or may be a combination of different memory elements. For example, the first memory 206 can be a NAND memory, and the second memory and the third memory can be a RAM or others.
[0041] The first memory 206 is responsible for providing a physical storage space to realize the data storage function of the data storage device 202, wherein t...
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