LIBRARY IEEE; USE IEEE.STD_LOGIC_1164.All; ENTITY comparator IS PORT(rightpassword,password:IN STD_LOGIC_VECTOR(7 DOWNTO 0); OPN,CLK,RESET:IN STD_LOGIC; A,B,warner:OUT STD_LOGIC; D11,D12,D21,D22:OUT STD_LOGIC_VECTOR(3 DOWNTO 0)); END comparator; ARCHITECTURE bhv OF comparator IS BEGIN PROCESS(OPN,CLK,RESET,rightpassword,password) BEGIN D11(3) <= rightpassword(7); D11(2) <= rightpassword(6); D11(1) <= rightpassword(5); D11(0) <= rightpassword(4); D12(3) <= rightpassword(3); D12(2) <= rightpassword(2); D12(1) <= rightpassword(1); D12(0) <= rightpassword(0); D21(3) <= password(7); D21(2) <= password(6); D21(1) <= password(5); D21(0) <= password(4); D22(3) <= password(3); D22(2) <= password(2); D22(1) <= password(1); D22(0) <= password(0); IF OPN = '1' THEN IF rightpassword = password THEN A <= '1';B <= '0';warner <= '0'; END IF; IF rightpassword /= password THEN A <= '0';B <= '1';warner <= CLK; IF RESET = '1' THEN A <= '0'; B <= '0'; warner <= '0'; END IF; END IF; ELSE A <= '0';B <= '0';warner <= '0'; END IF; END PROCESS; END bhv;解释代码

library IEEE; use IEEE.STD_LOGIC_1164.ALL; use IEEE.STD_LOGIC_ARITH.ALL; use IEEE.STD_LOGIC_UNSIGNED.ALL entity display is port( clock: in std_logic; reset: in std_logic; input: in std_logic_vector(3 downto 0); output: out std_logic_vector(7 downto 0) ); end display;检验这个代码的正确性

- input: 输入数据信号，类型为长度为 4 的 std_logic_vector 向量 - output: 输出数据信号，类型为长度为 8 的 std_logic_vector 向量如果你有实现该实体的 Verilog HDL 代码，并且该代码实现了正确的功能，那么...

用vhdl语言写一个uart的传输程序，其中具体框架为library IEEE; use IEEE.STD_LOGIC_1164.ALL; entity UART_TX is port ( Clk : in std_logic; Reset : in std_logic; Go : in std_logic; Data : in std_logic_vector(7 downto 0); Tick : in std_logic; Tx : out std_logic ); end entity; architecture RTL of UART_TX is begin end architecture;

use IEEE.STD_LOGIC_1164.ALL; entity UART_TX is port ( Clk : in std_logic; Reset : in std_logic; Go : in std_logic; Data : in std_logic_vector(7 downto 0); Tick : in std_logic; Tx : out std_...

补充完成下面程序 library IEEE; use IEEE.STD_LOGIC_1164.ALL; entity one_led is 1 ( a : in STD_LOGIC; y : out STD_LOGIC); end one_led; architecture Behavioral of one_led is 2 y<=not a; end Behavioral;

use IEEE.STD_LOGIC_1164.ALL; entity one_led is Port ( a : in STD_LOGIC; y : out STD_LOGIC); end one_led; architecture Behavioral of one_led is begin y ; -- 将输入 a 取反输出 end Behavioral; 注：...

这是我写的UART的VHDL文件：library ieee; use ieee.std_logic_1164.all; use ieee.std_logic_arith.all; use ieee.std_logic_unsigned.all; entity my_uart is port(clk_in:in std_logic; rx:in std_logic; tx:out std_logic; tcmd:in std_logic; tx_done:out std_logic; rx_ready:out std_logic; t_data:in std_logic_vector(7 downto 0); r_data:out std_logic_vector(7 downto 0)); end my_uart; architecture beheavior of my_uart is component baud is port(clk:in std_logic; bclk:out std_logic); end component; component rxd is port(bclk_in,rxd_in:in std_logic; rx_ready:out std_logic; rx_buffer:out std_logic_vector(7 downto 0)); end component; component txd is port(bclk_in:in std_logic; tx_cmd:in std_logic; txd_out:out std_logic; txd_done:out std_logic; tx_buffer:in std_logic_vector(7 downto 0)); end component; signal baud_clk:std_logic; begin B:baud port map(clk_in,baud_clk); R:rxd port map(baud_clk,rx,rx_ready,r_data); T:txd port map(baud_clk,tcmd,tx,tx_done,t_data); end beheavior;帮我写一个test benche文件，基于Modelsim进行仿真，以验证它的接受与发射功能

use ieee.std_logic_1164.all; entity tb_my_uart is end tb_my_uart; architecture behavior of tb_my_uart is -- Component declaration for DUT component my_uart is port( clk_in : in std_logic; rx : ...

LIBRARY IEEE; USE IEEE.STD_LOGIC_1164.ALL; USE IEEE.STD_LOGIC_UNSIGNED.ALL; ENTITY con_out IS PORT ( OE: IN STD_LOGIC; A: IN STD_LOGIC_VECTOR(7 DOWNTO 0); Y: OUT STD_LOGIC_VECTOR(7 DOWNTO 0)); END ENTITY con_out; ARCHITECTURE behav OF con_out IS BEGIN PROCESS ( OE,A ) BEGIN IF OE='0' THEN Y<=A; ELSE Y<="ZZZZZZZZ"; END IF; END PROCESS; END ARCHITECTURE behav;

这段代码定义了一个名为 con_out 的...在这个实体中使用了两个 IEEE 标准的库，IEEE.STD_LOGIC_1164.ALL 和 IEEE.STD_LOGIC_UNSIGNED.ALL。这些库中包含了许多常用的数据类型和操作符，可以方便地进行逻辑设计。

补全以下代码 LIBRARY IEEE; USE IEEE.STD_LOGIC_1164.ALL; USE IEEE.STD_LOGIC_UNSIGNED.ALL; ENTITY con_cnt IS PORT ( CLK : IN STD_LOGIC; AIN,BIN,CIN,DIN : IN STD_LOGIC; Q: OUT STD_LOGIC_VECTOR (7 DOWNTO 0)); END ENTITY con_cnt; ARCHITECTURE behav OF con_cnt IS COMPONENT con_en PORT ( --补充 ); END COMPONENT ; COMPONENT con_out PORT ( --补充 ); END COMPONENT ; SIGNAL EN : STD_LOGIC; SIGNAL R: STD_LOGIC_VECTOR(7 DOWNTO 0); BEGIN u1 : con_en PORT MAP ( ); --例化 u2 : con_out PORT MAP ( ); --例化 PROCESS ( CLK,EN ) BEGIN --补充计数器程序 END PROCESS; END ARCHITECTURE behav;

USE IEEE.STD_LOGIC_1164.ALL; USE IEEE.STD_LOGIC_UNSIGNED.ALL; ENTITY con_cnt IS PORT ( CLK : IN STD_LOGIC; AIN, BIN, CIN, DIN : IN STD_LOGIC; Q: OUT STD_LOGIC_VECTOR (7 DOWNTO 0) ); END ENTITY ...

ieee.numeric_std.all integer转STD_LOGIC_VECTOR

use ieee.std_logic_1164.all; use ieee.std_logic_arith.all; entity int_to_slv is end entity int_to_slv; architecture behavioral of int_to_slv is begin process variable my_int : integer := 42; ...

解释代码：LIBRARY IEEE; USE IEEE.STD_LOGIC_1164.ALL; USE IEEE.STD_LOGIC_UNSIGNED.ALL; ENTITY lockcontrol IS PORT( FEEDBACK,RESET:IN STD_LOGIC; Y:OUT STD_LOGIC); END lockcontrol; ARCHITECTURE bhv OF lockcontrol IS BEGIN PROCESS(FEEDBACK,RESET) BEGIN Y <= '1'; IF FEEDBACK = '0' THEN Y <= '0'; END IF; IF RESET = '1' THEN Y <= '1'; END IF; END PROCESS; END bhv;

这是一个简单的锁控制电路的VHDL代码，它的功能是控制一个输出信号Y来...该代码中使用了VHDL标准库中的两个包：IEEE.STD_LOGIC_1164.ALL和IEEE.STD_LOGIC_UNSIGNED.ALL，这两个包分别定义了标准逻辑类型和无符号类型。

修正以下代码LIBRARY IEEE; USE IEEE.STD_LOGIC_1164.ALL; USE IEEE.STD_LOGIC_UNSIGNED.ALL; ENTITY kkjsq IS PORT ( CLK : IN STD_LOGIC; AIN,BIN,CIN,DIN : IN STD_LOGIC; Q: OUT STD_LOGIC_VECTOR (7 DOWNTO 0)); END ENTITY kkjsq; ARCHITECTURE behav OF kkjsq IS COMPONENT con_en PORT ( EN : IN STD_LOGIC; Q : OUT STD_LOGIC_VECTOR(7 DOWNTO 0) --补充 ); END COMPONENT ; COMPONENT kkjsq2 PORT ( D : IN STD_LOGIC_VECTOR(7 DOWNTO 0); CLK : IN STD_LOGIC; Q : OUT STD_LOGIC_VECTOR(7 DOWNTO 0) --补充 ); END COMPONENT ; SIGNAL EN : STD_LOGIC; SIGNAL R: STD_LOGIC_VECTOR(7 DOWNTO 0); BEGIN u1 : con_en PORT MAP ( EN => EN, Q => R ); --例化 u2 : kkjsq2 PORT MAP ( D => R, CLK => CLK, Q => Q ); --例化 PROCESS ( CLK,EN ) BEGIN --补充计数器程序 IF (EN = '1') THEN R <= R + 1; END IF; END PROCESS; END ARCHITECTURE behav;

USE IEEE.STD_LOGIC_1164.ALL; USE IEEE.STD_LOGIC_UNSIGNED.ALL; ENTITY kkjsq IS PORT ( CLK : IN STD_LOGIC; AIN,BIN,CIN,DIN : IN STD_LOGIC; Q: OUT STD_LOGIC_VECTOR (7 DOWNTO 0) ); END ENTITY kkjsq;...

library ieee; use ieee.std_logic_1164.all; use ieee.std_logic_unsigned.all; entity pipo is port ( dcc1: in std_logic_vector(4 downto 1); clk : in std_logic; data_out:out std_logic_vector(3 downto 0)); end pipo; architecture pipo of pipo1 is signal dc0,dc1,dc2,dc3:std_logic_vector(3 downto 0); begin process(clk,clr) begin if(clr='0') then dc0<="0000"; dc1<="0000"; dc2<="0000"; dc3<="0000"; data_out<="0000"; elsif(clk'event and clk='1') then dc0<=dcc1; dc1<=dc0; dc2<=dc1; dc3<=dc2; end process ; end pipo；指出并改正错误

use ieee.std_logic_1164.all; use ieee.std_logic_unsigned.all; entity pipo1 is port ( dcc1 : in std_logic_vector(4 downto 1); clk : in std_logic; clr : in std_logic; data_out : out std_logic_...

以下列代码为基础，用vhdl设计一个八位全加器并提供代码。library ieee;use ieee.std_logic_1164.all;entity fa isport(a,b,ci : in std_logic; s,co : out std_logic);end fa;architecture b_fa of fa isbegin s<=a xor b xor ci; co<=((a xor b) and ci) or (a and b);end b_fa;

use ieee.std_logic_1164.all; entity eight_bit_adder is port ( a, b : in std_logic_vector(7 downto 0); c_in : in std_logic; sum : out std_logic_vector(7 downto 0); c_out : out std_logic ); end ...

LIBRARY IEEE; USE IEEE.STD_LOGIC_1164.ALL; USE IEEE.STD_LOGIC_UNSIGNED.ALL; ENTITY counter1 IS PORT(clr,en,clk: IN STD_LOGIC; Q : OUT STD_LOGIC_VECTOR(4 DOWNTO 0)); END counter1; ARCHITECTURE count OF counter1 IS SIGNAL count: STD_LOGIC_VECTOR(3 DOWNTO 0); BEGIN PROCESS(clk,clr) BEGIN IF(clr='1') THEN count<=(others=>'0'); ELSIF(rising_edge(clk)) THEN IF(en='1') THEN IF(count="1011") THEN count="0000"; ELSE count=count+'1'; END IF; END IF; END PROCESS; Q<=count; END counter1;找出里面的错误并更改

USE IEEE.STD_LOGIC_1164.ALL; USE IEEE.STD_LOGIC_UNSIGNED.ALL; ENTITY counter1 IS PORT( clr, en, clk: IN STD_LOGIC; Q: OUT STD_LOGIC_VECTOR(4 DOWNTO 0) ); END counter1; ARCHITECTURE count OF ...

library IEEE; use IEEE.STD_LOGIC_1164.ALL; use IEEE.NUMERIC_STD.ALL; entity jsq is Port ( clk : in STD_LOGIC; rst : in STD_LOGIC; count : out STD_LOGIC_VECTOR (3 downto 0)); end jsq; architecture Behavioral of jsq is signal cnt : integer range 0 to 15 := 0; begin process(clk) begin if rising_edge(clk) then if rst = '1' then cnt <= 0; elsif cnt = 15 then cnt <= 0; else cnt <= cnt + 1; end if; end if; end process; count <= std_logic_vector(to_unsigned(cnt, 4)); end Behavioral;详细一条一条解释

use IEEE.STD_LOGIC_1164.ALL; use IEEE.NUMERIC_STD.ALL; 这三行代码引用了VHDL的标准库和数字库，以便在代码中使用标准逻辑类型和数字类型。 2. entity jsq is Port ( clk : in STD_LOGIC; rst : in STD_...

library ieee; use ieee.std_logic_1164.all; use IEEE.STD_LOGIC_ARITH.ALL; use IEEE.STD_LOGIC_UNSIGNED.ALL; entity key is PORT ( clk : IN STD_LOGIC; keyin : in STD_LOGIC; keyout : OUT STD_LOGIC) ; end key ; ARCHITECTURE behav OF key IS signal cnt: std_logic_vector(31 downto 0); signal key_scan:std_logic; signal key_scan_r:std_logic; BEGIN keyout <= key_scan_r and (not key_scan); PROCESS(clk)BEGIN if(clk'event AND clk='1')then if(cnt = x"000F423F")then --20ms cnt <= (others => '0'); key_scan <= keyin; else cnt <= cnt + '1'; key_scan <= key_scan; end if; key_scan_r <= key_scan; end if; END PROCESS ; END behav;

这是一个 VHDL 代码段，描述了一个键盘扫描的模块。它包含一个输入时钟信号 clk，一个输入键盘扫描...需要注意的是，这段代码中使用了 STD_LOGIC_ARITH 和 STD_LOGIC_UNSIGNED 两个库来支持算术运算和无符号逻辑运算。

library ieee; use ieee.std_logic_1164.all; use ieee.std_logic_unsigned.all; entity cnt4 is port(clk : in std_logic; q : buffer std_logic_vector(3 downto 0)); end cnt4; architecture behave of cnt4 is begin process(clk) begin if clk'event and clk = '1' then if q = 15 then q <= "0000"; else q <= q+1; end if; end if; end process; end behave;解释一下这个vhdl代码

这段代码实现了一个4位计数器（cnt4），其中包括一个时钟输入（clk）和一个4位输出（q）。在行为架构（behave）中，定义了一个...最后，该计数器的代码被封装到一个实体（entity）中，其中只有一个输入和一个输出。

library ieee; use ieee.std_logic_1164.all; use ieee.std_logic_unsigned.all; entity divide_25 is port(clk_in : in std_logic; clk_out : out std_logic); end; architecture fenpin of divide_25 is signal cnt :integer range 0 to 24; signal clk_tmp : std_logic; begin process(clk_in) begin if(clk_in'event and clk_in='1')then if cnt=24 then cnt<=0; clk_tmp<=not clk_tmp; else cnt<=cnt+1; end if; end if; end process; clk_out<=clk_tmp; end;翻译

代码中使用了IEEE标准库中的std_logic_1164和std_logic_unsigned库。在architecture部分，定义了一个计数器cnt，范围为0到24，用来计数分频比。同时，定义了一个辅助时钟信号clk_tmp，用来生成分频后的时钟信号。在...

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USE IEEE.STD_LOGIC_1164.ALL

library IEEE; use IEEE.STD_LOGIC_1164.ALL; use IEEE.STD_LOGIC_ARITH.ALL; use IEEE.STD_LOGIC_UNSIGNED.ALL entity display is port( clock: in std_logic; reset: in std_logic; input: in std_logic_vector(3 downto 0); output: out std_logic_vector(7 downto 0) ); end display;检验这个代码的正确性

补充完成下面程序 library IEEE; use IEEE.STD_LOGIC_1164.ALL; entity one_led is 1 ( a : in STD_LOGIC; y : out STD_LOGIC); end one_led; architecture Behavioral of one_led is 2 y<=not a; end Behavioral;

ieee.numeric_std.all integer转STD_LOGIC_VECTOR

以下列代码为基础，用vhdl设计一个八位全加器并提供代码。library ieee;use ieee.std_logic_1164.all;entity fa isport(a,b,ci : in std_logic; s,co : out std_logic);end fa;architecture b_fa of fa isbegin s<=a xor b xor ci; co<=((a xor b) and ci) or (a and b);end b_fa;

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