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Altera_Forum's avatar
Altera_Forum
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12 years ago

Cyclone V HSMC Lvds differential pairs direction

Hi, I am developing a board to work with the HSMC connector and will require 26 LVDS differential receive pairs. There are only 17 RX pairs and 17 TX pairs. Can the TX pairs be used as inputs so that...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
12 years ago

Thanks Dave!

When i went over the HSMC specs document I understood it was more general and not board specific. Unfortunately the board and HSMC connector has already been chosen so I was trying to get it to work with a custom system.

But if its true the HSMC LVDS TX differential lanes can be redefined so that i can use all 34 differential pairs as RX, then that will be perfect.

I will definitely consider using FMC in the next project.