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Altera_Forum's avatar
Altera_Forum
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11 years ago

Can't Access Jtag Chain, No device was deteced

I was maked a new pcb board depend on Cyclone V, but issue the problem as the title described. 1, The board's powers are ok, but i did not control the power-up sequence, and this could make t...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
11 years ago

What type of header is the jtag header?

I know its a stupid question, but if it's an un-keyed connector, are you sure you havent just connected it the wrong way round? (I used to do it all the time)