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cyclone III starter board DDR-SDRAM

Honored Contributor II

I am using the cyclone III starter board. I am trying to implement DDR-SDRAM with the Nios II processor. Once I developed the system with all  

required components, I compiled the SOPC and added the processor system as a block in the block diagram file. Then I ran the analysis and elaboration. It shows that there are several unconnected pins. 


1. How can I connect the correct pins because they do not exactly correspond with the pins given in the user manual of the board.  

2. How can I set the timer for DDR-SDRAM in Nios. 

3. If possible can someone give me a reference to a working exampe with the same.  


Please answer what ever you can. Thanks in advance.
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