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AWrithingMassOfFlesh's avatar
AWrithingMassOfFlesh
Icon for Occasional Contributor rankOccasional Contributor
4 years ago
Solved

Cyclone IV E: EP4CE22F17C8 I/O pins misbehaving

Hi All, I am developing with the Cyclone IV E: EP4CE22F17C8. I am observing anomalous behavior from two of the I/O pins on the chip. I have pin A11 configured as a general purpose output, howe...
  • AWrithingMassOfFlesh's avatar
    AWrithingMassOfFlesh
    4 years ago

    I found the issue. I was assigning the wrong pins. I was supposed to be driving A12 instead of A11 and L13 instead of L14.

sstrell's avatar
sstrell
Icon for Super Contributor rankSuper Contributor
4 years ago

Can you show your design and any assignments you've made to these pins (pull-ups, etc.)?