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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...
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Altera_Forum
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14 years ago

Since you say your ssram has 21 address bits and it spans 2MB, then I guess it uses byte addressing, too. So you should connect address[0], address[1] to ssram a0 , a1.

If only 32bit access is supported ssram a0,a1 needs to be hardwired to ground.