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Altera_Forum
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16 years ago

Cyclone III Starter Kit - DDR-SDRAM - help

I'm newbie user in FPGA and I need to read and to write in DDR-SDRAM from Cyclone III starter kit. I altered the QB3 example (.bdf). And I created a new project in Nios II loading the .ptf f...
Altera_Forum's avatar
Altera_Forum
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16 years ago

First you must launch Timequest to check that all the I/O are constrained. Then you can either check if the timing requirements are met in Timequest, or by looking at the critical warnings when you compile your Quartus project.

What changes did you do to the CycloneIII_3c25_start_niosII_standard? I assume the standard example is properly constrained.