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Altera_Forum
Honored Contributor
Honored Contributorddr2 sdram
Hello, I'am new to SOPC build,and sorry for my poor english. I have bought a dsp development kits from alter,and there is an ddr2 sdram on this development board. this is the development kits I...
Altera_ForumHonored Contributor
Honored Contributor --- Quote Start --- First of all you can not use 2 chip select cause the DDR2 you are using doesn't support two chip select. Second, the automatic assignment you are talking about are pre-assigned since you are using the "standard" template. Finally, I am having the same problem when I am trying to increase the data width to 64-bit, it's something I cannot figure out! --- Quote End --- Thank you! I build a new project, it only contain cput, jtag uart and ddr2 sdram, I am not using the "standard" template.but the quartus still automatic assigg the pins. If quartus didn't assign the pins automatically,and I finish the pins assigment manually, I will get an warning in "Filtter" process,the waring is something about "capacitance",and I can compile this project succefully,but I can't run "hello world" on it.
