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Altera_Forum
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14 years ago

External SSRAM reading/writing problem

Hello everyone, I want to connect nios core (cyclone ii) to external sram memory (cy7c1380d) but I'm experiencing a problem while reading/writing to/from the memory. For 2MB (data width 32 bit...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
14 years ago

Hi, the problem appears to be fixed! As I said ssram_a6 and ssram_a7 were connected to A19 and A20, I changed it to point to the right pins. Also, I left ssram_a0 and ssram_a1 unconnected as SOPC Builder User Guide suggests when using 32-bit external device. Final pin connection order is then ssram_a2 to A0, ssram_a3 to A1,..., ssram_a20 to A18.

Thanks once again for leading me to the solution!

Nikola