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Altera_Forum
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10 years ago

Cyclone IV configuration - nCONFIG signal and JTAG programming issue

Hi, I have a custom board for EP4CE22E22 Cyclone IV FPGA. I have configured the board for JTAG only mode and using USB Blaster Rev.B for programming. The problem I am facing is that JTAG Scan f...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
10 years ago

How should i check either Cyclone IV has some kind of manufacturing issue. Because I am facing same kind of problem with my custom board. nConfig and nStatus are at 3V3. Epad is properly connected. But still not been able to configure via JTAG or AP.

Regards