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Altera_Forum
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10 years ago

JTAG pin sharing problem

I set JTAG pins as the user I/O ,when I first programed with usb blaster ,it was ok , after that ,when I programed again it failed . WHY? Here are the descriptions about the JTAG pin sharing...
Altera_Forum's avatar
Altera_Forum
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9 years ago

I'm not sure what the problem is. Have you tried pulling down the JTAGEN pin to GND? It will draw power through the 10K but if this is just for development purposes that should not be an issue.