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Honored Contributor I

DDR2 SDRAM controller for mt47h64m16hr-3

Hello. I am trying to implement a DDR SDRAM controller with ALTMEMPHY for MICRON mt47h64m16hr-3 according to a tutorial on

However, a problem is that the generated controller has some pins which cannot be connected to SDRAM as shown in Figures. Even though I use UniPHY to add a controller for mt47h64m16hr-3, the same problem occurs. 

Who can tell me how to deal with this problem? 

How to connect these unused pins to SDRAM? 

Thanks in advance.
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