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MartinMaa's avatar
MartinMaa
Icon for Occasional Contributor rankOccasional Contributor
2 years ago
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VREFB<#>N0 pin A and vccio on MAX10

HI, VREFB<#>N0 pin and VCCIO differ in what aspects? What is the purpose of using VREFB<#>N0? I have read the documentation, but I still do not understand the explanation about VREFB in the docum...
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  • MartinMaa's avatar
    MartinMaa
    2 years ago

    Hi, I would like to ask if this means NC. Besides enabling VREF NC, do I need to make any additional settings, such as FPGE firmware?

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FvM's avatar
FvM
Icon for Super Contributor rankSuper Contributor
2 years ago

Instead of repeating unelaborated questions you should review device manual about intended usage of VREFB pins for voltage refernced IO standards. Usually they are biased at VCCIO/2, defining the input threshold.