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You'll need to read through the Quartus handbook :)
This tutorial walks through some of the details:
http://www.alterawiki.com/wiki/using_the_usb-blaster_as_an_sopc/qsys_avalon-mm_master_tutorial If you want to interface to the SDRAM directly, then you could create an Avalon-MM master interface state machine.
Why don't you explain what you are actually trying to do. There may be Avalon components that can be used.
Cheers.
Dave
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Hi all
What I am trying to do is to write/read to the sdram on my DE0-nano board.
I want to do it without the nios system at first.
It doesn't matter what will be writen, what I care about mostly is the practice and the knoledge working with the sdram.
Thats why I have been looking for a similar project, for me its the easiest way to learn.