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Altera_Forum
Honored Contributor
Honored ContributorCustom Instruction accessing SDRAM
Hello I am currently trying to update a memory location content inside SDRAM from a custom instruction(function called from nios ii). From what I understand, I need to use avalon memory mapped ...
Altera_ForumHonored Contributor
Honored ContributorPlus, this is not how you construct a Nios custom instruction. There are certain ports you need to use (not standard Avalon) and you connect it to the Nios's custom instruction master interface. See this online training:
https://www.altera.com/support/training/course/oniicus.html
