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DAC8718 DXP software problem

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Prodigy 150 points
Other Parts Discussed in Thread: DAC8718EVM, DXP, DAC8718

I've purchased the DAC8718EVM and trying to evaluate by connecting it to a MMB0 motherboard using the DXP software found here http://www.ti.com/tool/dxp

However, when I open the software, I get a message "No DAC devices found" and I'm prompted to launch downloader utility to download the DAC configuration files. When I open the downloader, the connection status is green color and when I press the "Get available devices button" a list of DACs is shown. I select the DAC8718 from the list and click "Download selected", it gives me a "Connection error" message "Unable to download DAC8718_B2C.xml". I'm unable to proceed further and stuck. Same problem when I try to select any DAC or all DACs. Please help ASAP.

  • 0
    TI__Mastermind 46290 points

    Naveen,

    Sorry for the inconvenience. Sometimes various firewall settings keep the downloader from reaching the FTP that contains the configuration files. The DAC8718 configurations are attached to this post. Place it in the "Devices" folder of your DXP installation.

    2260.DAC8718_B2C.xml 
    <?xml version="1.0" encoding="utf-8"?>
<device>
  <name>DAC8718_B2C</name>
  <revision>1.0.0</revision>
  <date>21Aug2012</date>
  <devicesettings>
    <instructionwidth>24</instructionwidth>
    <format>2scomp</format>
    <dataword>CCCCCAAADDDDDDDDDDDDDDDD</dataword>
    <commanddefault>1</commanddefault>
    <commandlatch>1</commandlatch>
    <maxupdaterate>1000000</maxupdaterate>
    <channels>8</channels>
    <interface>
      <type>spi</type>
      <polarity>0</polarity>
      <phase>1</phase>
      <maxsclk>50000000</maxsclk>
      <framebits>24</framebits>
    </interface>
    <latchpin>
      <feature>1</feature>
      <pulsepol>0</pulsepol>
    </latchpin>
    <FSplus>7.5</FSplus>
    <FSminus>-7.5</FSminus>
  </devicesettings>
  <gpiofunctions>
    <function>
      <gpio>0</gpio>
      <name>/CLR</name>
      <default>1</default>
      <active>0</active>
      <labels>
        <active>Cleared</active>
        <inactive>Not Cleared</inactive>
      </labels>
    </function>
    <function>
      <gpio>1</gpio>
      <name>/RESET</name>
      <default>1</default>
      <active>0</active>
      <labels>
        <active>In Reset</active>
        <inactive>Not Reset</inactive>
      </labels>
    </function>
    <function>
      <gpio>2</gpio>
      <name>Data Format</name>
      <default>1</default>
      <active>1</active>
      <labels>
        <active>2s Comp</active>
        <inactive>S Binary</inactive>
      </labels>
    </function>
    <function>
      <gpio>3</gpio>
      <name>/WAKEUP</name>
      <default>1</default>
      <active>0</active>
      <labels>
        <active>Low</active>
        <inactive>High</inactive>
      </labels>
    </function>
    <function>
      <gpio>4</gpio>
      <name>GPIO-0</name>
      <default>0</default>
      <active>1</active>
      <labels>
        <active>High</active>
        <inactive>Low</inactive>
      </labels>
    </function>
    <function>
      <gpio>5</gpio>
      <name>GPIO-1</name>
      <default>0</default>
      <active>1</active>
      <labels>
        <active>High</active>
        <inactive>Low</inactive>
      </labels>
    </function>
  </gpiofunctions>
</device>

    6710.DAC8718_SB.xml 
    <?xml version="1.0" encoding="utf-8"?>
<device>
  <name>DAC8718_SB</name>
  <revision>1.0.0</revision>
  <date>21Aug2012</date>
  <devicesettings>
    <instructionwidth>24</instructionwidth>
    <format>sbinary</format>
    <dataword>CCCCCAAADDDDDDDDDDDDDDDD</dataword>
    <commanddefault>1</commanddefault>
    <commandlatch>1</commandlatch>
    <maxupdaterate>1000000</maxupdaterate>
    <channels>8</channels>
    <interface>
      <type>spi</type>
      <polarity>0</polarity>
      <phase>1</phase>
      <maxsclk>50000000</maxsclk>
      <framebits>24</framebits>
    </interface>
    <latchpin>
      <feature>1</feature>
      <pulsepol>0</pulsepol>
    </latchpin>
    <FSplus>7.5</FSplus>
    <FSminus>-7.5</FSminus>
  </devicesettings>
  <gpiofunctions>
    <function>
      <gpio>0</gpio>
      <name>/CLR</name>
      <default>1</default>
      <active>0</active>
      <labels>
        <active>Cleared</active>
        <inactive>Not Cleared</inactive>
      </labels>
    </function>
    <function>
      <gpio>1</gpio>
      <name>/RESET</name>
      <default>1</default>
      <active>0</active>
      <labels>
        <active>In Reset</active>
        <inactive>Not Reset</inactive>
      </labels>
    </function>
    <function>
      <gpio>2</gpio>
      <name>Data Format</name>
      <default>0</default>
      <active>1</active>
      <labels>
        <active>2s Comp</active>
        <inactive>S Binary</inactive>
      </labels>
    </function>
    <function>
      <gpio>3</gpio>
      <name>/WAKEUP</name>
      <default>1</default>
      <active>0</active>
      <labels>
        <active>Low</active>
        <inactive>High</inactive>
      </labels>
    </function>
    <function>
      <gpio>4</gpio>
      <name>GPIO-0</name>
      <default>0</default>
      <active>1</active>
      <labels>
        <active>High</active>
        <inactive>Low</inactive>
      </labels>
    </function>
    <function>
      <gpio>5</gpio>
      <name>GPIO-1</name>
      <default>0</default>
      <active>1</active>
      <labels>
        <active>High</active>
        <inactive>Low</inactive>
      </labels>
    </function>
  </gpiofunctions>
</device>