Accumulator system

Accumulator system

  • CN 101,622,608 B
  • Filed: 09/08/2008
  • Issued: 04/20/2016
  • Est. Priority Date: 12/28/2007
  • Status: Active Grant
First Claim
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1. an accumulator system, comprising:

  • Nonvolatile memory, comprises multiple pieces as data erase units;

    Measuring unit, the erasing time that its data measuring each piece are wiped free of;

    AndBlock controller, it has block table, described piece of table instruction is for the state value of each piece and the corresponding relation between the erasing time, wherein, described state value instruction idle condition and in using in state one, and the data at least provided from outside write is set to idle condition and erasing time the oldest first block;

    First selector, it is based on the information of described piece of table, being set in the block of the predetermined number of state in use at the BOB(beginning of block) the oldest from the erasing time, and selective erasing counts second minimum block;

    Second selector, it is based on the information of described piece of table, and be set in the block of the predetermined number of idle condition from erasing time the oldest BOB(beginning of block), selective erasing counts the 3rd maximum block;

    AndHomogenizing unit, it calculates the difference between described second block and erase count of described 3rd block, and when described difference exceedes threshold value by the data mobile of described second block in described 3rd block.

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