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Command and interrupt grouping for a data storage device

  • US 8,250,271 B2
  • Filed: 08/07/2009
  • Issued: 08/21/2012
  • Est. Priority Date: 04/08/2009
  • Status: Active Grant
First Claim
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1. A data storage device, comprising:

  • multiple memory chips; and

    a controller that is operably coupled to the memory chips and that is arranged and configured to;

    receive multiple groups of commands from a host, wherein each group of commands is assigned a group number and each command in a specific group includes a same group number to identify the commands as part of the specific group,process the groups of the commands using the memory chips, andgenerate and send a single interrupt to the host for each of the groups when each of the groups of the commands completes processing,wherein the controller is capable of maintaining an order of the commands within a same group designated for a same storage location and, at a same time, is capable of reordering and dispatching commands from different groups designated for different storage locations in a non-contiguous order.

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