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ainclanmx's avatar
ainclanmx
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5 years ago
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cyclone IV program device error issue

Helo there I have EP4CE6E22C8N Cyclone IV FPGA, Im programing with Quartus prime lite ver 20.0.1 In Quartus all work ok: program with basic OR gate, diagram, simulation (see image 1) & programing...
  • sstrell's avatar
    sstrell
    5 years ago

    LEDs and pushbuttons are usually active low, so when you push both buttons, you're putting 00 into the OR gate, getting a 0 out, which lights the LED.