HOWARD UNIVERSITY 
DEPARTMENT OF ELECTRICAL ENGINEERING 
EECE 693 
ASIC Design

SAMPLE VHDL CODE

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• Various modules used for a digital simon game (combinational and sequential)
• A Structural VHDL Description of a Data Unit that includes combinational and sequential parts
• A sample control unit (finite state machine) for the simon game
• A sample testbench that reads from datain.txt and writes to dataout.txt
• A controller that consists of two processes. (Use this type in your project.)
• A C++ program that automatically generates a testbench