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Altera_Forum
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16 years ago

DDR input without DPA in Arria II GX

Hello I am using arria ii gx to communicate with a high speed device. The device is sending DDR data, data with a data clock, dclk. dclk and data are source synchronous. I need to capture the d...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
16 years ago

So the skew actually changes from board to board? And your frequency is unknown?

Well this is quite the interface you've got. A high-speed source-synchronous interface with absolutely no deterministic qualities.

What things are known about the interface that we can make use of?

Jake