海大-EDA实验1参考答案

Laboratory Exercise 1Switches, Lights, and MultiplexersED实验参与答案Part1library ieee;use ieee.std_logic_1164.all;entity part1 isport(SW:instd_logic_vector(17 downto 0); LEDR:outstd_logic_vector(17 downto 0);end part1;architecture Behavior of part1 isbeginLEDR = SW;end Behavior;part2library ieee;use ieee.std_logic_1164.all;-a 2 to 1 multiplexer entityentity mux21 isport(in_x, in_y, in_s:instd_logic;out_m:outstd_logic);end mux21;-a 2 to 1 multiplexer architecturearchitecture structural of mux21 issignal u, v:std_logic;beginu = in_x and (not in_s);v = in_y and in_s ;out_m SW(0), in_y=SW(8), in_s=SW(17), out_m=LEDR(0); U2:mux21port map (in_x=SW(1), in_y=SW(9), in_s=SW(17), out_m=LEDR(1); U3:mux21port map (in_x=SW(2), in_y=SW(10), in_s=SW(17), out_m=LEDR(2); U4:mux21port map (in_x=SW(3), in_y=SW(11), in_s=SW(17), out_m=LEDR(3); U5:mux21port map (in_x=SW(4), in_y=SW(12), in_s=SW(17), out_m=LEDR(4); U6:mux21port map (in_x=SW(5), in_y=SW(13), in_s=SW(17), out_m=LEDR(5); U7:mux21port map (in_x=SW(6), in_y=SW(14), in_s=SW(17), out_m=LEDR(6); U8:mux21port map (in_x=SW(7), in_y=SW(15), in_s=SW(17), out_m=LEDR(7); end Structural;part3library ieee;use ieee.std_logic_1164.all;-a 2 to 1 multiplexer entityentity mux21 isport(in_x, in_y, in_s:instd_logic;out_m:outstd_logic);end mux21;-a 2 to 1 multiplexer architecturearchitecture structural of mux21 issignal signal_u, signal_v:std_logic;beginsignal_u = in_x and (not in_s);signal_v = in_y and in_s ;out_m in5_u, in_y=in5_v, in_s=in5_s0, out_m=signal_a);U2:mux21port map (in_x=in5_w, in_y=in5_x, in_s=in5_s0, out_m=signal_b);U3:mux21port map (in_x=signal_a, in_y=signal_b, in_s=in5_s1, out_m=signal_c);U4:mux21port map (in_x=signal_c, in_y=in5_y, in_s=in5_s2, out_m=out5_m);end Structural;library ieee;use ieee.std_logic_1164.all;-a 3bit 5 to 1 multiplexer entityentity mux51_3bit isport(SW: instd_logic_vector (17 downto 0); LEDR: outstd_logic_vector (17 downto 0); LEDG: outstd_logic_vector (2 downto 0);end mux51_3bit;-a 3bit 5 to 1 multiplexer architecturearchitecture structural of mux51_3bit iscomponent mux51port(in5_u, in5_v, in5_w, in5_x, in5_y, in5_s1, in5_s2, in5_s0:instd_logic;out5_m:outstd_logic);end component;begin LEDR SW(0), in5_v=SW(3), in5_w=SW(6), in5_x=SW(9), in5_y=SW(12), in5_s0=SW(15), in5_s1=SW(16), in5_s2=SW(17), out5_m=LEDG(0);U2:mux51 port map (in5_u=SW(1), in5_v=SW(4), in5_w=SW(7), in5_x=SW(10), in5_y=SW(13), in5_s0=SW(15), in5_s1=SW(16), in5_s2=SW(17), out5_m=LEDG(1);U3:mux51 port map (in5_u=SW(2), in5_v=SW(5), in5_w=SW(8), in5_x=SW(11), in5_y=SW(14), in5_s0=SW(15), in5_s1=SW(16), in5_s2=SW(17), out5_m=LEDG(2);end structural;part4library ieee;use ieee.std_logic_1164.all;-a 7-segment decoder entityentity decoder isport(decoder_in_3:instd_logic_vector(2 downto 0);HEX0:outstd_logic_vector(0 to 6);end decoder;- a 7-segment decorder architecturearchitecture behavioral of decoder isbegin process(decoder_in_3)begincase decoder_in_3 iswhen 000= HEX0 HEX0 HEX0 HEX0 Hex0 SW,Seg=HEX0);U1:mux51_seg7port map(Mux51_seg7_in(17 downto 15)=SW(17 downto 15), Mux51_seg7_in(14 downto 12)=SW(11 downto 9),Mux51_seg7_in(11 downto 9)=SW(8 downto 6), Mux51_seg7_in(8 downto 6)=SW(5 downto 3),Mux51_seg7_in(5 downto 3)=SW(2 downto 0), Mux51_seg7_in(2 downto 0)=SW(14 downto 12),Seg=HEX1);U2:mux51_seg7port map(Mux51_seg7_in(17 downto 15)=SW(17 downto 15), Mux51_seg7_in(14 downto 12)=SW(8 downto 6),Mux51_seg7_in(11 downto 9)=SW(5 downto 3), Mux51_seg7_in(8 downto 6)=SW(2 downto 0),Mux51_seg7_in(5 downto 3)=SW(14 downto 12), Mux51_seg7_in(2 downto 0)=SW(11 downto 9),Seg=HEX2);U3:mux51_seg7port map(Mux51_seg7_in(17 downto 15)=SW(17 downto 15), Mux51_seg7_in(14 downto 12)=SW(5 downto 3),Mux51_seg7_in(11 downto 9)=SW(2 downto 0), Mux51_seg7_in(8 downto 6)=SW(14 downto 12),Mux51_seg7_in(5 downto 3)=SW(11 downto 9), Mux51_seg7_in(2 downto 0)=SW(8 downto 6),Seg=HEX3);U4:mux51_seg7port map(Mux51_seg7_in(17 downto 15)=SW(17 downto 15), Mux51_seg7_in(14 downto 12)=SW(2 downto 0),Mux51_seg7_in(11 downto 9)=SW(14 downto 12), Mux51_seg7_in(8 downto 6)=SW(11 downto 9),Mux51_seg7_in(5 downto 3)=SW(8 downto 6), Mux51_seg7_in(2 downto 0)=SW(5 downto 3),Seg=HEX4);end Behavior;-A circuit that can select and display one of five characters-library ieee;use ieee.std_logic_1164.all;entity mux51_seg7 isport(Mux51_seg7_in: instd_logic_vector(17 downto 0);Seg: outstd_logic_vector(6 downto 0);end mux51_seg7;architecture Behavior of mux51_seg7 iscomponent mux51_3bit port(S, U, V, W, X, Y: instd_logic_vector(2 downto 0);M: outstd_logic_vector(2 downto 0);end component;component char_7segport(C: instd_logic_vector(2 downto 0);Display: outstd_logic_vector(6 downto 0);end component;signal M : std_logic_vector(2 downto 0);beginM0: mux51_3bitport map(Mux51_seg7_in(17 downto 15), Mux51_seg7_in(14 downto 12),Mux51_seg7_in(11 downto 9),Mux51_seg7_in(8 downto 6),Mux51_seg7_in(5 downto 3),Mux51_seg7_in(2 downto 0),M);H0: char_7seg port map(M, Seg);end Behavior;-a 3bit mux51-library ieee;use ieee.std_logic_1164.all;-a 2 to 1 multiplexer entityentity mux21 isport(in_x, in_y, in_s:instd_logic;out_m:outstd_logic);end mux21;-a 2 to 1 multiplexer architecturearchitecture structural of mux21 issignal signal_u, signal_v:std_logic;beginsignal_u = in_x and (not in_s);signal_v = in_y and in_s ;out_m in5_u, in_y=in5_v, in_s=in5_s0, out_m=signal_a);U2:mux21port map (in_x=in5_w, in_y=in5_x, in_s=in5_s0, out_m=signal_b);U3:mux21port map (in_x=signal_a, in_y=signal_b, in_s=in5_s1, out_m=signal_c);U4:mux21port map (in_x=signal_c, in_y=in5_y, in_s=in5_s2, out_m=out5_m);end Structural;-a 3bit 5 to 1 multiplexer-library ieee;use ieee.std_logic_1164.all;-a 3bit 5 to 1 multiplexer entityentity mux51_3bit isport(S, U, V, W, X, Y: instd_logic_vector (2 downto 0);M: outstd_logic_vector (2 downto 0);end mux51_3bit;-a 3bit 5 to 1 multiplexer architecturearchitecture structural of mux51_3bit iscomponent mux51port(in5_u, in5_v, in5_w, in5_x, in5_y, in5_s1, in5_s2, in5_s0:instd_logic;out5_m:outstd_logic);end component;begin U1:mux51 port map (in5_u=U(0), in5_v=V(0), in5_w=W(0), in5_x=X(0), in5_y=Y(0), in5_s0=S(0), in5_s1=S(1), in5_s2=S(2), out5_m=M(0);U2:mux51 port map (in5_u=U(1), in5_v=V(1), in5_w=W(1), in5_x=X(1), in5_y=Y(1), in5_s0=S(0), in5_s1=S(1), in5_s2=S(2), out5_m=M(1);U3:mux51 port map (in5_u=U(2), in5_v=V(2), in5_w=W(2), in5_x=X(2), in5_y=Y(2), in5_s0=S(0), in5_s1=S(1), in5_s2=S(2), out5_m=M(2);end structural;-a 7-segment decoder-library ieee;use ieee.std_logic_1164.all;-a 7-segment decoder entityentity char_7seg isport(C:instd_logic_vector(2 downto 0);Display:outstd_logic_vector(6 downto 0);end char_7seg;- a 7-segment decorder architecturearchitecture behavioral of char_7seg isbegin process(C)begincase C iswhen 000= Display Display Display Display Display SW(17 downto 15),D0=SW(2 downto 0),D1=SW(2 downto 0),D2=SW(2 downto 0),D3=SW(14 downto 12),D4=SW(11 downto 9),D5=SW(8 downto 6),D6=SW(8 downto 6),D7=SW(5 downto 3),Seg=HEX0);U1:mux81_seg7port map(S=SW(17 downto 15),D0=SW(2 downto 0),D1=SW(2 downto 0),D2=SW(14 downto 12),D3=SW(11 downto 9),D4=SW(8 downto 6),D5=SW(8 downto 6),D6=SW(5 downto 3),D7=SW(2 downto 0),Seg=HEX1);U2:mux81_seg7port map(S=SW(17 downto 15),D0=SW(2 downto 0),D1=SW(14 downto 12),D2=SW(11 downto 9),D3=SW(8 downto 6),D4=SW(8 downto 6),D5=SW(5 downto 3),D6=SW(2 downto 0),D7=SW(2 downto 0),Seg=HEX2);U3:mux81_seg7port map(S=SW(17 downto 15),D0=SW(14 downto 12),D1=SW(11 downto 9),D2=SW(8 downto 6),D3=SW(8 downto 6),D4=SW(5 downto 3),D5=SW(2 downto 0),D6=SW(2 downto 0),D7=SW(2 downto 0),Seg=HEX3);U4:mux81_seg7port map(S=SW(17 downto 15),D0=SW(11 downto 9),D1=SW(8 downto 6),D2=SW(8 downto 6),D3=SW(5 downto 3),D4=SW(2 downto 0),D5=SW(2 downto 0),D6=SW(2 downto 0),D7=SW(14 downto 12),Seg=HEX4);U5:mux81_seg7port map(S=SW(17 downto 15),D0=SW(8 downto 6),D1=SW(8 downto 6),D2=SW(5 downto 3),D3=SW(2 downto 0),D4=SW(2 downto 0),D5=SW(2 downto 0),D6=SW(14 downto 12),D7=SW(11 downto 9),Seg=HEX5);U6:mux81_seg7port map(S=SW(17 downto 15),D0=SW(8 downto 6),D1=SW(5 downto 3),D2=SW(2 downto 0),D3=SW(2 downto 0),D4=SW(2 downto 0),D5=SW(14 downto 12),D6=SW(11 downto 9),D7=SW(8 downto 6),Seg=HEX6);U7:mux81_seg7port map(S=SW(17 downto 15),D0=SW(5 downto 3),D1=SW(2 downto 0),D2=SW(2 downto 0),D3=SW(2 downto 0),D4=SW(14 downto 12),D5=SW(11 downto 9),D6=SW(8 downto 6),D7=SW(8 downto 6),Seg=HEX7);end Behavior;-A circuit that can select and display one of eight characters-library ieee;use ieee.std_logic_1164.all;-eht mux81_seg7 entityentity mux81_seg7 isport(S, D0, D1, D2, D3, D4, D5, D6, D7: instd_logic_vector(2 downto 0);Seg: outstd_logic_vector(6 downto 0);end mux81_seg7;-the mux81_seg7 architecturearchitecture Behavior of mux81_seg7 iscomponent mux81_3bit port(S, D0, D1, D2, D3, D4, D5, D6, D7: instd_logic_vector(2 downto 0);M: outstd_logic_vector(2 downto 0);end component;component char_7segport(C: instd_logic_vector(2 downto 0);Display: outstd_logic_vector(6 downto 0);end component;signal M1 : std_logic_vector(2 downto 0);beginM0: mux81_3bitport map(S, D0, D1, D2, D3, D4, D5, D6, D7,M1);H0: char_7seg port map(M1, Seg);end Behavior;-a 3bit mux81-library ieee;use ieee.std_logic_1164.all;-a 3bit multiplexer 8 to 1 entityentity mux81_3bit isport(S, D0, D1, D2, D3, D4, D5, D6, D7: instd_logic_vector(2 downto 0);M: outstd_logic_vector(2 downto 0);end mux81_3bit;-a 3bit multiplexer 8 to 1 architecturearchitecture behavioral of mux81_3bit isbeginwith S selectM Display Display Display Display Display = 1111111;end case;end process;end behavioral;