an error occured in digital simulation using qucs software

Asked by swetha

i wrote a VHDL program fa_1bit(1-bit full adder) in dataflow model
it was compiled and simulated successfully.
but when i am writing fa_4bit(4-bit full adder) in structural model using fa_1bit as a component, the following error has occured:

 Sorry, only default component binding is currently supported. No default binding for component fa_1bit found!

Question information

Can you help with this problem?

Provide an answer of your own, or ask swetha for more information if necessary.

To post a message you must log in.