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AR# 42486

MIG Design Assistant - Spartan-6 traffic generator does not simulate when a smaller device is selected


Please refer to this answer record if you are not able to simulate all data_modes with a small Spartan-6 device.

This Answer Record is a part of the Xilinx MIG Solution Center(Xilinx Answer 34243). The Xilinx MIG Solution Center is available to address all questions related to MIG.Whether you are starting a new design with MIG or troubleshooting a problem, use the MIG Solution Center to guide you to the right information.


The testbench provides a parameter, C_SMALL_DEVICE, which limits the tests you can run in simulation. Xilinx provides this parameter because some of the data patterns require too much logic to fit into a smaller Spartan-6 device. This essentially prevents an error during MAP.
AR# 42486
Date 12/15/2012
Status Active
Type General Article
  • Spartan-6 LX
  • Spartan-6 LXT
  • Spartan-6Q
  • MIG