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RBish3's avatar
RBish3
Icon for New Contributor rankNew Contributor
6 years ago

Arria 10 access all DDR4 memory chips for test with NIOS II

The board I am designing has 9 8Gb DDR4 memory chips, for a total of 72 DQ lines (8 per chip). I want to verify that all chips are present and working by reading and writing to an address on each chi...
NurAida_A_Intel's avatar
NurAida_A_Intel
Icon for Frequent Contributor rankFrequent Contributor
6 years ago

Dear RBish3,

Please accept my apology for the delay in response due to workload.

If you want to access a larger address map than the width of their address signals allowed, then the best option is using this Address Span Extender.

Yes, you can also use DMA to access the memory. You may want to refer to this handbook which have more information regarding DMA engine. --> https://www.intel.cn/content/dam/www/programmable/us/en/pdfs/literature/hb/nios2/edh_ed_handbook.pdf

Regards,

NAli1