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Altera_Forum
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10 years ago

ArriaII GX and SDI MegaCore Function

HD-SDI's refclk frequencys are 148.5MHz and 148.35MHz. I am planning to swicth 148.5MHz and 148.35MHz before SDI MegaCore Function by RTL programming. example) assign refclk=sw? refclk1 : re...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
10 years ago

Hi,

As I understand it, the transceiver refclk need to be coming directly from the dedicated transceiver refclk input pin. The gated clock is not allowed.