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Altera_Forum
Honored Contributor
10 years agoMAX 10 Jtag Problem
Dear Good people My MAX 10 JTAG was working well but suddenly from yesterday it is showing some problem. When i push the button auto scan it is showing "Unable to scan device, Cant scan JTAG ch...
Altera_Forum
Honored Contributor
9 years agothere is a bug on Quartus, so you need to affect TDO and use it as OUTPUT only;
from ALTERA/Support "Why can’t I access the MAX 10 device via JTAG even though JTAGEN is pulled high in user mode?" https://www.altera.com/support/support-resources/knowledge-base/solutions/rd03222016_95.html "How do I gain access to the JTAG pins of my MAX 10 device if I have enabled the JTAG pin sharing option, and the Quartus Prime Programmer is unable to auto detect the device?" https://www.altera.com/support/support-resources/knowledge-base/solutions/rd05192016_963.html