描述

If I use the Video Timing Controller, Test Pattern Generator, RGB2YCrCb Color-Space Converter, or YCrCb2RGB Color-Space Converter cores, an error occurs stating that my design cannot generate a bitstream. When I check the license, it says that one has already been included, but write_bitstream fails with this message:

ERROR: [Common 17-69] Command failed: This design contains one or more evaluation cores for which bitstream generation is not supported.

When executing "write_bitstream -force Top_module.bit"

The following cores are affected by this problem:

• LogiCORE IP Video Timing Controller (VTC)
• LogiCORE IP Image Test Pattern Generator (TPG)
• LogiCORE IP RGB to YCrCb Color-Space Converter (RGB2YCrCb)
• LogiCORE IP YCrCb to RGB Color-Space Converter (YCrCb2RGB)

解决方案

To work around this error, you can use one of the following methods:

• Users of Vivado Design Suite 2012.4 need to update to Vivado Design Suite 2013.1 or later
• Users of Vivado Design Suite 2013.1 or 2013.2 can generate a Free License for the cores listed above.
  (NOTE: The LogiCORE Video Timing Controller (VTC) license is needed when using any of the above listed IP.) http://www.xilinx.com/getlicense
• This issue has been resolved in Vivado Design Suite 2013.3 and later; users no longer need to generate a free license or no longer need a license.

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