?? 1.vhd
字號:
library ieee;
use ieee.std_logic_1164.all;
use ieee.std_logic_arith.all;
use ieee.std_logic_unsigned.all;
entity coder8_3 is
port
(
A:in std_logic_vector(3 downto 0);
Y:out std_logic_vector(6 downto 0)
);
end coder8_3;
architecture edc of coder8_3 is
begin
with A select
Y<="1111110" when "0000",
"0110000" when "0001",
"1101101" when "0010",
"1111001" when "0011",
"0110011" when "0100",
"1011011" when "0101",
"1011111" when "0110",
"1110010" when "0111",
"1111111" when "1000",
"1111011" when "1001",
"1110111" when "1010",
"0011111" when "1011",
"1001110" when "1100",
"0111101" when "1101",
"1001111" when "1110",
"1000111" when "1111";
end edc;
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