synth/first/top.vhdl

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2021-02-17 21:20:30 +00:00
----------------------------------------------------------------------------------
-- Company:
-- Engineer:
--
-- Create Date: 02/13/2021 12:09:57 AM
-- Design Name:
-- Module Name: top - Behavioral
-- Project Name:
-- Target Devices:
-- Tool Versions:
-- Description:
--
-- Dependencies:
--
-- Revision:
-- Revision 0.01 - File Created
-- Additional Comments:
--
----------------------------------------------------------------------------------
library IEEE;
use IEEE.STD_LOGIC_1164.ALL;
-- Uncomment the following library declaration if using
-- arithmetic functions with Signed or Unsigned values
--use IEEE.NUMERIC_STD.ALL;
-- Uncomment the following library declaration if instantiating
-- any Xilinx leaf cells in this code.
--library UNISIM;
--use UNISIM.VComponents.all;
entity top is
Port ( clk : in STD_LOGIC;
rst_n : in STD_LOGIC;
led : out STD_LOGIC_VECTOR (7 downto 0);
usb_rx: in std_logic;
usb_tx: out std_logic
);
end top;
architecture Behavioral of top is
component hello is port(
clk: in std_logic;
rst: in std_logic;
led: out std_logic_vector(7 downto 0);
uart_rx: in std_logic;
uart_tx: out std_logic
);
end component;
component reset_conditioner is port(
clk: in std_logic;
rin: in std_logic;
rout: out std_logic
);
end component;
signal rst, rstraw: std_logic;
begin
rstraw <= not rst_n;
reset: reset_conditioner port map(clk => clk, rin => rstraw, rout => rst);
stuff: hello port map(clk => clk, rst => rst, led => led,
uart_rx => usb_rx, uart_tx => usb_tx);
end Behavioral;