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Selective broadcasting of data in series connected devices

  • US 8,131,913 B2
  • Filed: 10/20/2008
  • Issued: 03/06/2012
  • Est. Priority Date: 02/04/2008
  • Status: Expired due to Fees
First Claim
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1. A method for selecting a subset of devices of a plurality of devices serial-connected to a memory controller to execute a command, comprising:

  • encoding identification (ID) numbers of each of the subset of devices for providing code information by performing mathematical operations to logically combine the ID numbers of the subset of devices to generate a mask;

    providing a command packet including an op code and the code information to each of the plurality of devices;

    decoding the code information received by each of the plurality of devices by, at each device, performing a mathematical operation on the mask and an ID number stored in the device, to determine if the mask encodes the ID number stored in the device; and

    executing the op code if the ID number stored in the device is encoded in the received code information.

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