Control device suitable to quick flash memory card and its construction methods
A control device and memory card technology, applied in the direction of memory address/allocation/relocation, etc., can solve the problems of incompatibility with higher-capacity data storage devices, waste of mapping table memory capacity utilization, limited mapping table memory capacity, etc. Achieve the effect of saving operation time, infinitely expanding compatibility, and controlling cost expenditure
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[0044] see image 3 and Figure 4A , are schematic diagrams of the structure of the data storage system and the mapping table of the present invention respectively; at least one data storage device (such as a Smart Media memory card, a Memory Stick memory card, or a NAND flash memory) 31-39 is mainly controlled by a control device 40 and be connected with a computer mainframe 49 (certainly, this control device 40 also can be built in a subsystem of computer host computer 49), comprise a microprocessor 45 in this control device 40, it can be by means of a accord with PCMCIA, IDE, ATA, ATAPI, USB, or a host interface controller 44 of a combined specification agreement and is connected to a host computer 49, and one end of the microprocessor 45 can be connected to the data storage via a storage control logic circuit 46. Devices 31-39; Microprocessor 45 can also be connected with a temporary storage area controller 42, and this temporary storage area controller 42 can control the...
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