port(端口名：模式 数据类型名)端口名是赋予每个外部引脚的名称。模式in是是输入，out是输出。std_logic是数据类型名。component 元件名 是元件例化语句。
LIBRARY IEEE; USE IEEE.STD_LOGIC_1164.ALL; ENTITY counter IS PORT ( reset: IN STD_LOGIC; clock: IN STD_LOGIC; num: buffer integer range 0 to 3; 多一个“;” ); END; A. RCHITECTURE B. ehav OF jishu IS jishu改为 counter Begin Process(reset,clock) Begin If reset=’1’ then ...
address_a : IN std_logic_vector (fcn_log2_ceil(NUM_WORDS)-1 downto 0); address_b : IN std_logic_vector (fcn_log2_ceil(NUM_WORDS)-1 downto 0); rden_b : IN std_logic; q_b : OUT std_logic_vector (DATA_WIDTH-1 downto 0); data_a : IN std_logic_vect...
entity test_detector is port( clk: in std_logic; rst: in std_logic; count: in integer range 0 to 7; z: out integer range 0 to 7; we: out std_logic ); end; architecture my1 of test_detector is begin process( rst ) begin if rst = '1' then --- this condition is true we ...
Out2 <= std_logic_vector(Gain1_out1); END rtl; To disable DeleteUnusedPorts optimization, run this command: makehdl('hdlcoder_subsys_ports_unused/DUT', 'DeleteUnusedPorts', 'off') When you set DeleteUnusedPorts to off, this port and the Add block calculation are preserved in the gene...
VHDL四舍五入判别电路,输入为8421 BCD码,请大神帮我看看程序问题在哪里library ieee;use ieee.std_logic_1164.all;entity round isport(D0,D1,D2,D3:in std_logic;E:in bit;g,r:out bit);end round;architecture one OF round ISsignal abc:s
port ( clk : in std_logic; count : out std_logic_vector(7 downto 0)); end test; architecture Behavioral of test is begin process (clk) begin if clk='1' and clk'event then count <= count + 1; end if; end process; end Behavioral; ...
m序列vhdl程序,多项式f(x)=1+x^2+x^3+x^4+x^8 ,library ieee; use ieee.std_logic_1164.all; use ieee.std_logic_arith.all; use ieee.std_logic_unsigned.all; entity PRSG is port (reset,clk:in std_logic; sel:in std_logic_vector(1 downto 0); dout:out st
PORT ( O: out std_logic ); end component; component PULLDOWN PORT ( O: out std_logic ); end component; signal INA_INT, OUTA_INT : std_logic; signal INB_INT, OUTB_INT : std_logic; begin U0 : PULLUP port map (O => SIGA); ...
GCLK,BTNU:instd_logic; LDS:outstd_logic_vector(7downto0) );endLED;architectureBehavioralofLEDis-- 计数signalcount:std_logic_vector(25downto0);signalclk_temp:std_logic;signalQ_temp:std_logic;signalLDS_temp:std_logic_vector(7downto0):="00000001";beginprocess(GCLK,BTNU)--分频系数variableN...