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Altera_Forum
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11 years ago

SDRAM on DE0-nano board

Hi, I am still not having any success writing and reading from the SDRAM on on the DE0-nano board from the FPGA. I have built a system in qsys which includes a Nios II and SDRAM controller an...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
11 years ago

I have been comparing the top-level designs and I still can't see what the problem is with mine. I have checked over and over again the pin assignments and qsys settings and compared them to yours and all seems to be ok. Below is my qsys system. The qsys_systm.v generated from that I use as my top level file. I just can't seem to write to the SDRAM. I must be missing something obvious.

https://www.alteraforum.com/forum/attachment.php?attachmentid=9316