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Altera_Forum
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17 years ago

New to Altera. Error on Downloading bitstream

Hi All, I'm a new to Altera and I have a Cyclone II EP2C35 devkit. I wrote a small VHDL file which waits for one of the SW buttons and toggle a led. I made the pin assignements, synthesis, .......
Altera_Forum's avatar
Altera_Forum
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17 years ago

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Would you please tell me how to do that ?

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Go to 'Assignments', 'Device' and click the bar 'Device and pin options'.

Go to 'Unused Pins' and under 'Reserve all unused pins' select 'As input tri-stated' or 'as input with weak pull-up'.

Then press 'OK' and 'OK' again and recompile. I use this board and that resetting problem is nearly always caused by this issue.