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Altera_Forum
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11 years ago

ALTDDIO_OUT. How to overcome restrictions on output data port?

Hello! In the Double Data Rate I/O Megafunctions datasheet it is said, that DDR output data port of ALTDDIO_OUT ( dataout[] ) should directly feed output pins in top-level design. But in my d...
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Altera_Forum
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11 years ago

And you can just build it in RTL. The altddio_out is meant to call the dedicated structure built in the I/O cell.