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Altera_Forum
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15 years ago

'Pseudo-Differential I/O' Error

I'm currently designing a DDR2 controller and have gotten far enough that I'd like to implement the design and check my work. I threw it into Quartus II 9.1 and have been getting the following error ...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
15 years ago

your best best is probably to generate an Altera DDR2 core and trace the dsq and dqs_n pins back to their driver. the PHY is clear text, so you'll be able to read the RTL