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Apparatus and method for producing identifiers regardless of mixed device type in a serial interconnection

  • US 8,195,839 B2
  • Filed: 09/28/2010
  • Issued: 06/05/2012
  • Est. Priority Date: 12/06/2006
  • Status: Expired due to Fees
First Claim
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1. A method for assigning a device identifier for a plurality of devices of mixed type in a serial interconnection configuration, a first device having a serial input connection coupled to a serial output connection of a previous device, a second device having a serial input connection coupled to a serial output connection of the first device, the method being adopted to at least one of the devices, the method comprising:

  • receiving a device identifier (ID) and a device type (DT) as a packet through the serial input connection of the first device;

    performing;

    a first determination whether the DT of the device contains pre-defined data corresponding to one including all device types to provide a first determination result; and

    a second determination of the DT of the device in response to the received DT to provide a second determination result; and

    outputting an ID in response to the first and second determination results.

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