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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
Icon for Honored Contributor rankHonored Contributor
17 years ago

I assigned two pins : the Y11 for input as in bit, and W11 for output as out bit.

my interface is :

entity e is port (toggle : in bit; led : out bit) end;

it uses no clock.

I use the USB interface to program the FPGA.