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Altera_Forum's avatar
Altera_Forum
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15 years ago

question about ALTLVDS

I have 2 questions about the altlvds megacore when i use cyclone III to build my backplane system that i have one central control board,4 function boards,all of them plus on the backplane.the central...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
15 years ago

the central control board communicates with each other boards use point-to-point lvds signal,not m-lvds,unidirection, using one to send data and the another to receive data.

1 how long the lvds signal can walk through on backplane.

2 if I adjust phase using PLL,it means that I must confirm what the phase relationship between the clk and data signal for each function sub board using instrument,that result in each function board has diffrent programme.Is there any other solution.