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Altera_Forum
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11 years ago

What is the best approach to do pin assignments for DDR?

I have a design which use the Altera DDR3 Sdram controller IP to interface with the external DDR3 in board. The board I am using is Altera evb dsp development kit, stratix v edition (http://www.alter...
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Altera_Forum
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11 years ago

For simple projects, you're only responsible for pin location assignments.

There is an automatically generated .tcl file which applies those constraints for you. You need to run that script (once).

http://www.altera.com/literature/hb/external-memory/emi.pdf

Review "Table 2-1: Design Checklist" and then search for "pin_assignments.tcl" elsewhere in the document for additional instructions.

Manually looking for and changing those assignments within the GUI is done in the "Assignment Editor", not "Pin Planner".