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risic2024's avatar
risic2024
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1 year ago

program successfully but output always high

hi, I am confused by EPM240T100C5,have tried many ways, but still failed, please give me some advices, thanks. It indicated the programming is successful, but output always stay high. even only as...
Programmable Logic Device
anonimcs's avatar
anonimcs
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1 year ago

Hi,

Did you add any pin constraints ?

  • risic2024's avatar
    risic2024
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    1 year ago

    hi，glad to get response from you, thanks.
    surely, SDC file is applied correctly. It seems that EPM240 can't enter user mode.please find the attached log for details.

    • anonimcs's avatar
      anonimcs
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      1 year ago

      Did you also test with the other board (EPM1270T144C5) and see that the output pins become 0V ? If that's the case, then I'm not sure what else the issue might be..

      • risic2024's avatar
        risic2024
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        1 year ago

        yes, but EPM1270T144C5 is only for reference, we should focus on EPM240T100C5. anyway thanks.