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Altera_Forum
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15 years ago

ALTLVDS buffer implementation

I'm using an altlvds_rx receiver in Cyclone III with external PLL. For the buffer implementation I can choose between RAM, MUX and LE. Could there be a reason to make a choice other than resource usa...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
15 years ago

Many ALT_LVDS users probably wonder what's the purpose of a buffer with Cylone III LVDS, because they never got in touch with it. Actually, it's only present with odd deserialization factors.

I once had the bad idea to build a desrialization factor 14 LVDS receiver (which is not supported by the MegaFunction directly) from a "factor 7" block. But the behaviour of the odd deserialization factor receiver was so strange, that I preferred an own deserializer design.