1.軟件版本

MATLAB2013b，quartusii12.1

2.本算法理論知識

在本系統中，我們使用的混動公式如下所示：

3.部分核心代碼?

LIBRARY IEEE; USE IEEE.STD_LOGIC_1164.ALL; USE IEEE.STD_LOGIC_arith.ALL; ENTITY DELAY2 IS PORT( clk : IN STD_LOGIC;clear : IN STD_LOGIC;Dx : in signed (27 DOWNTO 0);Dy : in signed (27 DOWNTO 0);Dz : in signed (27 DOWNTO 0);Doutx : OUT SIGNED (27 DOWNTO 0); Douty : OUT SIGNED (27 DOWNTO 0); Doutz : OUT SIGNED (27 DOWNTO 0) ); END DELAY2; ARCHITECTURE a OF DELAY2 IS BEGIN PROCESS(clk,clear) BEGIN IF clear='0' THENDoutx<="0000000000100000110001000000";Douty<="0000000000000110100011010000";Doutz<="0000000000111010111110110000"; ELSIF clear='1' THENIF(clk'EVENT AND clk='1') THENDoutx<=Dx;Douty<=Dy;Doutz<=Dz; END IF; END IF; END PROCESS; END a; LIBRARY ieee; USE ieee.std_logic_1164.all;LIBRARY lpm; USE lpm.all;ENTITY mult_0872b00 ISPORT(dataa : IN STD_LOGIC_VECTOR (27 DOWNTO 0);result : OUT STD_LOGIC_VECTOR (55 DOWNTO 0)); END mult_0872b00;ARCHITECTURE SYN OF mult_0872b00 ISSIGNAL sub_wire0 : STD_LOGIC_VECTOR (55 DOWNTO 0);SIGNAL sub_wire1_bv : BIT_VECTOR (27 DOWNTO 0);SIGNAL sub_wire1 : STD_LOGIC_VECTOR (27 DOWNTO 0);COMPONENT lpm_multGENERIC (lpm_hint : STRING;lpm_representation : STRING;lpm_type : STRING;lpm_widtha : NATURAL;lpm_widthb : NATURAL;lpm_widthp : NATURAL);PORT (dataa : IN STD_LOGIC_VECTOR (27 DOWNTO 0);datab : IN STD_LOGIC_VECTOR (27 DOWNTO 0);result : OUT STD_LOGIC_VECTOR (55 DOWNTO 0));END COMPONENT;BEGINsub_wire1_bv(27 DOWNTO 0) <= "0000100001110010101100000000";sub_wire1 <= To_stdlogicvector(sub_wire1_bv);result <= sub_wire0(55 DOWNTO 0);lpm_mult_component : lpm_multGENERIC MAP (lpm_hint => "INPUT_B_IS_CONSTANT=YES,MAXIMIZE_SPEED=5",lpm_representation => "SIGNED",lpm_type => "LPM_MULT",lpm_widtha => 28,lpm_widthb => 28,lpm_widthp => 56)PORT MAP (dataa => dataa,datab => sub_wire1,result => sub_wire0);END SYN; LIBRARY ieee; USE ieee.std_logic_1164.all;LIBRARY lpm; USE lpm.all;ENTITY mult_0ff3b64 ISPORT(dataa : IN STD_LOGIC_VECTOR (27 DOWNTO 0);result : OUT STD_LOGIC_VECTOR (55 DOWNTO 0)); END mult_0ff3b64;ARCHITECTURE SYN OF mult_0ff3b64 ISSIGNAL sub_wire0 : STD_LOGIC_VECTOR (55 DOWNTO 0);SIGNAL sub_wire1_bv : BIT_VECTOR (27 DOWNTO 0);SIGNAL sub_wire1 : STD_LOGIC_VECTOR (27 DOWNTO 0);COMPONENT lpm_multGENERIC (lpm_hint : STRING;lpm_representation : STRING;lpm_type : STRING;lpm_widtha : NATURAL;lpm_widthb : NATURAL;lpm_widthp : NATURAL);PORT (dataa : IN STD_LOGIC_VECTOR (27 DOWNTO 0);datab : IN STD_LOGIC_VECTOR (27 DOWNTO 0);result : OUT STD_LOGIC_VECTOR (55 DOWNTO 0));END COMPONENT;BEGINsub_wire1_bv(27 DOWNTO 0) <= "0000111111110011101101100100";sub_wire1 <= To_stdlogicvector(sub_wire1_bv);result <= sub_wire0(55 DOWNTO 0);lpm_mult_component : lpm_multGENERIC MAP (lpm_hint => "INPUT_B_IS_CONSTANT=YES,MAXIMIZE_SPEED=5",lpm_representation => "SIGNED",lpm_type => "LPM_MULT",lpm_widtha => 28,lpm_widthb => 28,lpm_widthp => 56)PORT MAP (dataa => dataa,datab => sub_wire1,result => sub_wire0);END SYN;

4.操作步驟與仿真結論

?

5.參考文獻

[1]謝國波, 陳平華, 蔡兆波. 一種二次三項式通用FPGA混沌產生器設計[J]. 微計算機信息, 2009, 25(008):215-217.A07-05

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