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Honored Contributor

18 years ago

Using DDR SDRAM Controller

Hello, I have instantiated two DDR SDRAM controller. And when compiling my project by quartus, I found an error which highlights that the second controller pins were not assigned. Q1: Can...

Altera_Forum

Honored Contributor

18 years ago

Which DDR controller are you using? While creating the core, you designate the IO locations. So you can't create a single controller and use it twice, you have to create two separate controllers. I haven't read them completely, but this should help:

Legacy:

http://www.altera.com/literature/an/an392.pdf

Altmemphy:

http://www.altera.com/literature/an/an462.pdf

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Using DDR SDRAM Controller

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