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Registered: ‎07-03-2019

getting error in EDK

Hai can anyone please solve my error and post solution for this

ERROR:EDK:4068 - INSTANCE: axi_emc_0, PORT: Mem_DQ_I - THREE_STATE port, Mem_DQ, in use. Multiple drivers found on TRI_I port, Mem_DQ_I

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Registered: ‎10-23-2018

harieee980@gmail.com 

From the message, it looks lik to you drive the port with more than one driving source...

Here are some other solutions related to multiple drivers. Maybe one of them will give you some more insight in this issue.

https://forums.xilinx.com/t5/Embedded-Development-Tools/Chipscope-IBA-Multiple-Drivers/m-p/25185#M6495
https://forums.xilinx.com/t5/General-Technical-Discussion/Signal-connected-to-multiple-drivers-while-using-IOBUF/m-p/258398#M11773
https://forums.xilinx.com/t5/General-Technical-Discussion/signal-is-connected-to-multiple-drivers/m-p/165012#M7763
https://forums.xilinx.com/t5/Implementation/NgdBuild-455-Multiple-drivers/m-p/155910#M3255
https://forums.xilinx.com/t5/Memory-Interfaces/NgdBuild-455-Multiple-drivers-error-related-with-DDR2-clocking/m-p/484152#M6267
https://forums.xilinx.com/t5/Simulation-and-Verification/ISIM-loop-unrollment-gives-multiple-drivers/m-p/661996#M14513
https://forums.xilinx.com/t5/Spartan-Family-FPGAs/Signal-is-connected-to-multiple-drivers-Spartan-3E/m-p/634040#M32239
https://forums.xilinx.com/t5/Spartan-Family-FPGAs/Clock-has-multiple-drivers/m-p/486096#M25857
https://forums.xilinx.com/t5/Synthesis/synth-8-2910-pin-multiple-drivers-error/m-p/910912#M28891
https://forums.xilinx.com/t5/Synthesis/signal-connected-to-multiple-drivers-and-legacy-code/m-p/817218#M23715
https://forums.xilinx.com/t5/Synthesis/Signal-connected-to-multiple-drivers/m-p/790001#M22593
https://forums.xilinx.com/t5/Synthesis/VHDL-this-signal-is-connected-to-multiple-drivers-Help-me-please/m-p/456966#M11108
https://forums.xilinx.com/t5/Virtex-Family-FPGAs/iSerDes-clkdiv-has-multiple-drivers/m-p/135462#M9613
https://forums.xilinx.com/t5/Welcome-Join/multiple-drivers-and-driving-non-buffer-primitives/m-p/342379#M5235

Hope that Helps
If so, Please mark as solution accepted. Kudos also welcomed. :-)

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