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Altera_Forum
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10 years ago

Altera USB Blaster JTAG problem: Suddenly unable to connect to FPGA

Hi I'm using a custom Cyclone V board which I've been using for several days through the Altera USB Blaster with no problems. Suddenly, the Blaster is unable to connect to the board. The blaste...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
10 years ago

Based on the observation, seems like there might be some power related issue with your boards as you have second board starts to fail after the first. It is recommended for you to look into your boards to see if there is any power issue. You can also counter check your on board power pin connection with reference to the pin connection guidelines to avoid further damaging other good boards.