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Altera_Forum's avatar
Altera_Forum
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18 years ago

How Could I use DDR in CyClone III Starter kit successfully?

Hello, I try to use the DDR in Cyclone III starter kit ,But I try it a lot of times ,It is not success ,even I do not know why I cannot to use the DDR IP.When I generate the project it hints err...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
18 years ago

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Please check you have valid license to use DDR IP Megacore. If you have valid license then you should be able to generate your required system through SOPC Builder, you can use DDR SDRAM High Performance Controller with PSC A2S56D40CTP-G5 as Memory Preset for Cyclone III Starter Kit

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I have tried the method ,but I do not know how to assign the Pins including the generated PLL to Sopc,could you tell me what is DQS Groups ,what is it's meaning and how to use it,thanks!If possible ,could you give me any document about how to compile DDR successfully.Expecting your answers thanks very much!