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RZhen11's avatar
RZhen11
Icon for Occasional Contributor rankOccasional Contributor
6 years ago

How to instantiate LVDS IOBUF by HDL for Arria10 device?

I understand for slow speed IO, one can use GPIO IP. But I'm used to direct code instantiation. (A habit from using Xilinx IBUFDS). After some searching, I found ALTIOBUF IP. But Arria10 is not supp...
RZhen11's avatar
RZhen11
Icon for Occasional Contributor rankOccasional Contributor
6 years ago

Hi Bruce,

Thanks for your info, I'm afraid all I want is simple LVDS I/O buffer not serdes.

My colleague showed me the old trick, by just assigning _p pins as LVDS standard and termination. Inside HDL code use _p as output buffer. It's not intuitive, but project seems compiled. I will try to get into details to confirm.

Regards,