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Altera_Forum's avatar
Altera_Forum
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11 years ago

DDR3 on Cyclone V E

Hi I would like to connect the MT41J128M16JT-125 with the uniPHY to my Cyclone V E as a hard memory interface. My clk_0 is 50MHz and the Systemclock is 80MHz. I connected the cmd and fifo...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
11 years ago

Which fVCO is 300MHz? 300MHz is the minimum I can set on the DDR speed...

If I would like to run my Nios at 50MHz. Is it not posssible to have in this case a DDR3 RAM running with 300MHz in HardMemoryInterface? Or would it be possible with a DMA in between?

What would the lowest NIOS frequency be, if I would like to habe the HardMemoryInterface?