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Altera_Forum's avatar
Altera_Forum
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8 years ago

jtag debugger dosen't finds the connected cyclon ll processor

Hi I am using cyclon ll processor and Nios2 13.0 IDE. I have started facing a problem that my USB blaster doesn't recognize the hardware. When i did jtagconfig -d 1) USB-Blaster [USB-0] Un...
Altera_Forum's avatar
Altera_Forum
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8 years ago

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Sorry for making confusion, I am using altera Cyclone 2 FPGA, which doesn't gets identified by Blaster cable. When ever I do

"jtaconfig -n" I get,

USB-Blaster [1-2]

Unable to read device chain (JTAG chain broken).

But when I apply power supply to the board, it boots up normally. At the same time blaster cable doesn't identify the board.

--- Quote End ---

The screenshot you posted doesn't match up with what you are saying. I guess that is the confusion here.

Are you talking about executing code on the Nios in the IDE? This is a separate operation from programming the FPGA with the hardware design.