Help on simulating ddr controler generated by MIG!!

Jun 30, 2006 1 Replies

I simulate the ddr controler generated by MIG(memory interface generator). The result of behavior simulation is correct ,but there's someting wrong after synthesis. The wave is unknown after ddr sdram initialization. I affix the captured picture in this mail. I use synplify 8.2.2 to synthesis the design, and use modelsim 6.2a to simulation it.


result of behavior simulation is correct ,but there's someting wrong after synthesis. The wave is unknown after ddr sdram initialization. I affix the captured picture in this mail. I use synplify 8.2.2 to synthesis the design, and use modelsim 6.2a to simulation it.

Join the Discussion

Have something to add? Share your thoughts — no account required.

Didn't find your answer?

Ask the community — no account required