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Altera_Forum
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13 years ago

Can ALTDDIO_In use LVDS inputs in Cyclone III

I would like to interface a TI ADC08D1520 to a Cyclone III. It has dual data rate, diff pair outputs, that are electrically compatible with LVDS. At max speed, the data clock (also an LVDS...
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Altera_Forum
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13 years ago

As an additional remark, the advantage of using altddio_in is to get automatic location constraints for the registers, as the fitter messages reveal:

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Info: Following DDIO Input nodes are constrained by the Fitter to improve DDIO timing

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