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Zak's avatar
Zak
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5 years ago

Cyclone V stuck at POR randomly in active serial configuration

Hello, I'm sorry for the long post, but I'm hitting a wall with this problem for weeks. I've developed a custom board with a 5CEFA4 Cyclone V device. Here's some relevant info for the FPGA configu...
Zak's avatar
Zak
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5 years ago

I just did another test:

with the power off for >10s, if I turn it on keeping nCONFIG low, the led turn on (fpga enter/prepare for config) after 5 seconds. If I release it the FPGA config correctly.