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Altera_Forum's avatar
Altera_Forum
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13 years ago

DDR3 CKE connection

Hi all, I was looking for information on the way to connect DDR3 to Arria V, so I dowloaded the A5GX_Starter schematic and I don't understand how DDR3 CKE signal is connected to the FPGA: The...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
13 years ago

Hi,

I do not think you need any pull up or pull down, just connect directly from connector to FPGA IO,

this is not only for CKE but also for all DDR3 signals, except DQ/DQS/DM that I define internal termination for my Stratix4, so I do not have any resistor on my board,

-Akbar