flipflop.vhd

一本很好的关于学习VHDL的书,Fundamentals of Digital Logic with VHDL Design,我的导师在教我VHDL时使用的教材.上传的是书内包含的所有的代码.

LIBRARY ieee ; 
USE ieee.std_logic_1164.all ; 
LIBRARY altera ; 
USE altera.maxplus2.all ; 

ENTITY flipflop IS 
	PORT ( 	D, Clock 			: IN 	STD_LOGIC ; 
			Resetn, Presetn 	: IN 	STD_LOGIC ; 
			Q 					: OUT 	STD_LOGIC ) ; 
END flipflop ; 

ARCHITECTURE Behavior OF flipflop IS    
BEGIN
	Dff_instance: Dff PORT MAP (
		D, Clock, Resetn, Presetn, Q ) ; 
END Behavior ;