This answer record can be used as a starting point to guide you through troubleshooting common problems that might be encountered inSpartan-6FPGA designs.
NOTE:This Answer Record is part of the Xilinx Spartan-6 FPGA Solution Center(Xilinx Answer 44744).The Xilinx Spartan-6 FPGA Solution Center is available to address all questions related to Spartan-6 devices.Whether you are starting a new design with Spartan-6 FPGA or troubleshooting a problem, use the Spartan-6 FPGA Solution Center to guide you to the right information.
If youcannot finda solution toa problemyouare having with a Spartan-6 FPGA design, choose from the following categories that best fits your issue:
(Xilinx Answer 46790)- Refer tothisanswer record for common issues with DCMs and clocking structures/routing.This answer record helps walk you through debug techniques that can resolve some of the common clocking problems.
(Xilinx Answer 46791)- Refer to this answer record forcommon issues relating to the CLB in fabric.Thisanswer record helps walk you through debug techniques that can resolve some of the common fabric related problems.
(Xilinx Answer 46792)- Refer to this answer record for common issues relating to theblock RAM or FIFOin fabric.This answer record helps walk you through debug techniques that can resolve some of the common block RAM/FIFO related problems.