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Altera_Forum's avatar
Altera_Forum
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14 years ago

SOPC with SDRAM Contoller

Hy everyone, I am new in building SOPC. Here is my objection : creating SOPC with SDRAM to write a simple Hello world on NIOS II by using DE0 development board. I got an error message from NI...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
14 years ago

If you haven't already done it, please check:

- pin assignments

- sdram controller properties in sopc builder; they must match your sdram specifications

- timing analysis (although I think you shouldn't have problems at 50MHz)

You can possibly try these:

- run from onchip memory and perform a sdram test by writing and reading back data

- keep code in sdram but in Nios properties, set reset and exception vectors to onchip memory