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Altera_Forum
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15 years ago

Aria II GX ALTGX Serdes issue-Serdes Expert needed

Maybe there is someone out there who can help with this... We are using an Aria II GX device. We have a 150 MHz diff clock coming into a refclock location. I/O standard is the 1.5V PCML. Thi...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
15 years ago

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The board is already laid out

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Then I don't excatly understand the above description.

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We have a 150 MHz diff clock coming into a refclock location.

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Take the clock directly into a PLL rather than the xcvr

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Where did you actually connect the clock with the present board?

According to the device manual, "Scenario 1" should be supported by the Arria II hardware. Unlike with Arria (I), refclk can be also supplied from dedicated PLLs.