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Altera_Forum's avatar
Altera_Forum
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15 years ago

A question from China

Good afternoon,everyone

I'm from China, and I have a question about LVDS signal ,could somebody

help me.

I nees change LVDS signal into TTL signal using FPGA. And I don't need deseralizer the LVDS signal.How can I achive the purpose without using ALTLVDS. And if I choose ALTLVDS to achieve the purpose ,how should i do?

I'm a beginner of FPGA and my English is not good .So ,thank your help advance!

Xianchao Yang

ZhengZhou China

2 Replies

  • Altera_Forum's avatar
    Altera_Forum
    Icon for Honored Contributor rankHonored Contributor
    15 years ago

    You just define the IO_STANDARD for those pins as LVDS and then Quartus will do the rest.

    You can do this in either the Pin Planner or the Assignment Editor.

    You don't need to connect the pin(s) in question to a ALTLVDS block if you don't need the deserialiser or if you want to write your own.
  • Altera_Forum's avatar
    Altera_Forum
    Icon for Honored Contributor rankHonored Contributor
    15 years ago

    Oh,I dont't need connect the LVDS pin to a ALTLVDS block,that's great!