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Altera_Forum's avatar
Altera_Forum
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18 years ago

Memory map cannot fit?

I have written my own interface to a SDRAM and trying to add it i SOPC builder as an avalon tristate slave. The component is created without any error messages, but when adding it to my SOPC system I...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
18 years ago

1 - The maximum addressable space for NIOS is 31 bits. This is because NIOS uses the highest bit as cache bypass signal.

2 - If you do use all 31 bits of address space, you will have absolutely no room for any other components in your system.

Jake