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Honored Contributor
Honored ContributorUsing 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 I use more DDR SDRAM Controller than one ? Q2: How can I assign DDR SDRAM Controller pins? Thanks.2 Replies
Altera_ForumThank you Rysc :)
- Altera_Forum
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
