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Altera_Forum's avatar
Altera_Forum
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14 years ago

some procblem about delay

I have a 50M data stream, But I need it delay 32us matching with other signals. How can I　do it? Thank you very much
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
14 years ago

At 50MHz, you need it to delay it by 1600 clock cycles, using a large shift register.

Depending on the width of your data stream, that may require quite a bit of resources.

I suggest you use the ALTSHIFT_TAPS function, so the shift register is implemented in RAM.