| 
		 | 	
  
AHDL Text Design Files (.tdf) can be mixed with other design files in a project hierarchy. Lower-level files in a project hierarchy can either be Altera-provided megafunctions or user-defined megafunctions or macrofunctions.
Information on implementing a hierarchical project is available in the following topics:
| 
       - PLDWorld -  | 
    
| 
       
  | 
  
| Created by chm2web html help conversion utility. |