signalfifo_mem :STD_LOGIC_VECTOR(1downto0); signalwr_ptr, rd_ptr :STD_LOGIC_VECTOR(0downto0); signalwr_sync, rd_sync :STD_LOGIC_VECTOR(0downto0); signalwr_full, rd_empty :STD_LOGIC; signalwr_ptr_gray, rd_ptr_gray :STD_LOGIC_VECTOR(0downto0); signalwr_ptr_gray_sync, rd_ptr...
clear_count：在STD_LOGIC中;enable：在STD_LOGIC中;counter_out：输出STD_LOGIC_VECTOR（9 downto 0...
Verilog 对象如果属于隐式 Verilog bit 类型(包含 wire 和 reg 对象以及整数和时间),则会被视为logic类型。 VHDL 对象如果符合下列条件,则会被视为logic类型:对象类型为 bit、std_logic或所含枚举器是std_logic的子集且至少包含 0 和 1 的任意枚举类型,或者对象类型是前述任意类型的一维阵列。
library IEEE; use IEEE.STD_LOGIC_1164.ALL; entity test_bench is end test_bench; architecture Behavioral of test_bench is component test port( led :out std_logic; switch:in std_logic); end component; signal led:std_logic:='0'; signal switch:std_logic:='0'; begin dut:test port map(...
start : in STD_LOGIC; x_in : in STD_LOGIC_VECTOR(7 downto 0); sqrt_result : out STD_LOGIC_VECTOR(3 downto 0); done : out STD_LOGIC); end SqrtModule; architecture Behavioral of SqrtModule is signal x, result, approx : unsigned(7 downto 0); signal count : integer := 0; sign...
signal counter : std_logic_vector (23 downto 0); attribute mark_debug: string; attribute mark_debug of counter : signal is "true"; 另外添加xdc约束文件,内容如下: set_property PACKAGE_PIN Y9 [get_ports clk] set_property PACKAGE_PIN T18 [get_ports rst] ...
floor1,floor2,floor3:in std_logic;--梯内按键, led1,led2,led3:out std_logic;--梯内目的楼层,有效 door:out std_logic;--开门 floor_num: out std_logic_vector(2 downto 0)--楼层 ); end entity lift_ctrl; architecture behave of lift_ctrl is ...
library IEEE; use IEEE.STD_LOGIC_1164.ALL; entity BufferGate is Port ( input : in STD_LOGIC; output : out STD_LOGIC); end BufferGate; architecture Behavioral of BufferGate is begin output <= input; end Behavioral; 保存文件并返回到Vivado软件界面。 在项目导航器中,右键单击"Design Sources",...
data_output : out STD_LOGIC_VECTOR(7 downto 0) ); end MyEntity; architecture Behavioral of MyEntity is begin --在这里编写硬件描述 end Behavioral; ``` 上述示例代码中,`MyModule`是一个Verilog模块,而`MyEntity`是一个VHDL实体。这些代码片段包含了模块或实体的输入和输出端口,以及具体的硬件描述逻辑...
signal aclk : std_logic := ’0‘; -- the master clock -- Phase slave channel signals signal s_axis_phase_tvalid : std_logic := ’0‘; -- payload is valid signal s_axis_phase_tdata : std_logic_vector(31 downto 0) := (others =》 ’0‘); -- data payload -- Data master ...