Yes it does .. for one entity you can have multiple architectures .. say arch1, arch2, arch3 .. etc. and when you go for implementation or simulation, you need to specify one architecture at a time .. this is done using (configuration) statement.
Yes it does .. for one entity you can have multiple architectures .. say arch1, arch2, arch3 .. etc. and when you go for implementation or simulation, you need to specify one architecture at a time .. this is done using (configuration) statement.