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Binoyjohnson's avatar
Binoyjohnson
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2 years ago
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Cyclone V GPI Maximum Input limit - 5CSEBA4U23I7N

Hi We are using the GPI pins in the Cyclone V processor. Our DDR voltage is 1.35V. What is the maximum input voltage these pins can tolerate? pins are listed below. In our design we have connected...
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  • mabdrahi's avatar
    mabdrahi
    2 years ago

    Hi Binoy


    From the De1-SOC-Schematics you can see, that all banks have vcio=3.3V

    vcio=3.3v (except the HPS-banks which use 1.5V

    1.5v). Pins on these banks will correctly detect 2.5V CMOS input , but they will not be able to generate 2.5V output.



    Thank you,

    Aliff


mabdrahi's avatar
mabdrahi
Icon for Contributor rankContributor
2 years ago

Hi Binoy,


I’m glad that your question has been addressed, I now transition this thread to community support. If you have a new question, Please login to ‘https://supporttickets.intel.com’, view details of the desire request, and post a feed/response within the next 15 days to allow me to continue to support you. After 15 days, this thread will be transitioned to community support. The community users will be able to help you on your follow-up questions.


Thank you,

Aliff