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Altera_Forum's avatar
Altera_Forum
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8 years ago

Max 10: Lvds

I do like to have such a functionality in my design that could detect presence of data on LVDS lines and assert a flag. And in case no data is being received it can deassert the flag. I am using MAX-...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
8 years ago

A reliable check for "presence of data" requires a property of the data stream like a CRC or checksum. "Out of band" signaling" e.g. based on the common mode level isn't provided by the LVDS standard. You could implement it in additional hardware, but I won't consider it as reliable method.