Architecture Definition
Architecture code defines the function of the device. It is highly recommend that pseudo code or
other high level design be completed prior to writing the architecture code.
architecture architecture_name of entity_name is
signal declarations;
type declarations;
constant declarations;
function declarations;
procedure declarations;
component declarations;
begin
concurrent_statement;...
concurrent_statement;
end architecture_name;
“architecture_name” is a user-defined identifier, and “entity_name” is also a user defined identifier
for the entity. The concurrent-statements can appear in any order since they are executed
currently. The Declaration statement may also appear in any orders..