mem.vhd

VHDL实现 SPWM 通过ADC1407转换实现变频控制和变幅控制； 通过LCD1602实现频率和调制比显示

WHEN "011101111" => MEM_DATA <= "010101011";
WHEN "011110000" => MEM_DATA <= "010101100";
WHEN "011110001" => MEM_DATA <= "010101100";
WHEN "011110010" => MEM_DATA <= "010101101";
WHEN "011110011" => MEM_DATA <= "010101101"; 
WHEN "011110100" => MEM_DATA <= "010101110";
WHEN "011110101" => MEM_DATA <= "010101110";
WHEN "011110110" => MEM_DATA <= "010101111";
WHEN "011110111" => MEM_DATA <= "010110000";
WHEN "011111000" => MEM_DATA <= "010110000";
WHEN "011111001" => MEM_DATA <= "010110001";
WHEN "011111010" => MEM_DATA <= "010110001";
WHEN "011111011" => MEM_DATA <= "010110010";
WHEN "011111100" => MEM_DATA <= "010110010";
WHEN "011111101" => MEM_DATA <= "010110011"; 
WHEN "011111110" => MEM_DATA <= "010110011";
WHEN "011111111" => MEM_DATA <= "010110100";
WHEN "100000000" => MEM_DATA <= "010110101";
WHEN "100000001" => MEM_DATA <= "010110101";
WHEN "100000010" => MEM_DATA <= "010110110"; 
WHEN "100000011" => MEM_DATA <= "010110110";
WHEN "100000100" => MEM_DATA <= "010110111";
WHEN "100000101" => MEM_DATA <= "010110111";
WHEN "100000110" => MEM_DATA <= "010111000";
WHEN "100000111" => MEM_DATA <= "010111000"; 
WHEN "100001000" => MEM_DATA <= "010111001";
WHEN "100001001" => MEM_DATA <= "010111010";
WHEN "100001010" => MEM_DATA <= "010111010";
WHEN "100001011" => MEM_DATA <= "010111011";
WHEN "100001100" => MEM_DATA <= "010111011";
WHEN "100001101" => MEM_DATA <= "010111100";
WHEN "100001110" => MEM_DATA <= "010111100";
WHEN "100001111" => MEM_DATA <= "010111101";
WHEN "100010000" => MEM_DATA <= "010111101";
WHEN "100010001" => MEM_DATA <= "010111110";
WHEN "100010010" => MEM_DATA <= "010111110";
WHEN "100010011" => MEM_DATA <= "010111111";
WHEN "100010100" => MEM_DATA <= "010111111";
WHEN "100010101" => MEM_DATA <= "011000000";
WHEN "100010110" => MEM_DATA <= "011000000";
WHEN "100010111" => MEM_DATA <= "011000001";
WHEN "100011000" => MEM_DATA <= "011000001";
WHEN "100011001" => MEM_DATA <= "011000010";
WHEN "100011010" => MEM_DATA <= "011000010";
WHEN "100011011" => MEM_DATA <= "011000011";
WHEN "100011100" => MEM_DATA <= "011000011";
WHEN "100011101" => MEM_DATA <= "011000100";
WHEN "100011110" => MEM_DATA <= "011000100";
WHEN "100011111" => MEM_DATA <= "011000101";
WHEN "100100000" => MEM_DATA <= "011000101";
WHEN "100100001" => MEM_DATA <= "011000110";
WHEN "100100010" => MEM_DATA <= "011000110";
WHEN "100100011" => MEM_DATA <= "011000111";
WHEN "100100100" => MEM_DATA <= "011000111";
WHEN "100100101" => MEM_DATA <= "011001000";
WHEN "100100110" => MEM_DATA <= "011001000";
WHEN "100100111" => MEM_DATA <= "011001001";
WHEN "100101000" => MEM_DATA <= "011001001";
WHEN "100101001" => MEM_DATA <= "011001010";
WHEN "100101010" => MEM_DATA <= "011001010";
WHEN "100101011" => MEM_DATA <= "011001011";
WHEN "100101100" => MEM_DATA <= "011001011";
WHEN "100101101" => MEM_DATA <= "011001100";
WHEN "100101110" => MEM_DATA <= "011001100";
WHEN "100101111" => MEM_DATA <= "011001101";
WHEN "100110000" => MEM_DATA <= "011001101";
WHEN "100110001" => MEM_DATA <= "011001110";
WHEN "100110010" => MEM_DATA <= "011001110";
WHEN "100110011" => MEM_DATA <= "011001110";
WHEN "100110100" => MEM_DATA <= "011001111";
WHEN "100110101" => MEM_DATA <= "011001111";
WHEN "100110110" => MEM_DATA <= "011010000";
WHEN "100110111" => MEM_DATA <= "011010000";
WHEN "100111000" => MEM_DATA <= "011010001";
WHEN "100111001" => MEM_DATA <= "011010001";
WHEN "100111010" => MEM_DATA <= "011010010";
WHEN "100111011" => MEM_DATA <= "011010010";
WHEN "100111100" => MEM_DATA <= "011010011";
WHEN "100111101" => MEM_DATA <= "011010011";
WHEN "100111110" => MEM_DATA <= "011010011";
WHEN "100111111" => MEM_DATA <= "011010100";
WHEN "101000000" => MEM_DATA <= "011010100";
WHEN "101000001" => MEM_DATA <= "011010101";
WHEN "101000010" => MEM_DATA <= "011010101";
WHEN "101000011" => MEM_DATA <= "011010110";
WHEN "101000100" => MEM_DATA <= "011010110";
WHEN "101000101" => MEM_DATA <= "011010110";
WHEN "101000110" => MEM_DATA <= "011010111";
WHEN "101000111" => MEM_DATA <= "011010111";
WHEN "101001000" => MEM_DATA <= "011011000";
WHEN "101001001" => MEM_DATA <= "011011000";
WHEN "101001010" => MEM_DATA <= "011011001";
WHEN "101001011" => MEM_DATA <= "011011001";
WHEN "101001100" => MEM_DATA <= "011011001";
WHEN "101001101" => MEM_DATA <= "011011010";
WHEN "101001110" => MEM_DATA <= "011011010";
WHEN "101001111" => MEM_DATA <= "011011011";
WHEN "101010000" => MEM_DATA <= "011011011";
WHEN "101010001" => MEM_DATA <= "011011011";
WHEN "101010010" => MEM_DATA <= "011011100";
WHEN "101010011" => MEM_DATA <= "011011100";
WHEN "101010100" => MEM_DATA <= "011011101";
WHEN "101010101" => MEM_DATA <= "011011101";
WHEN "101010110" => MEM_DATA <= "011011101";
WHEN "101010111" => MEM_DATA <= "011011110";
WHEN "101011000" => MEM_DATA <= "011011110";
WHEN "101011001" => MEM_DATA <= "011011111";
WHEN "101011010" => MEM_DATA <= "011011111";
WHEN "101011011" => MEM_DATA <= "011011111";
WHEN "101011100" => MEM_DATA <= "011100000";
WHEN "101011101" => MEM_DATA <= "011100000";
WHEN "101011110" => MEM_DATA <= "011100000";
WHEN "101011111" => MEM_DATA <= "011100001";
WHEN "101100000" => MEM_DATA <= "011100001";
WHEN "101100001" => MEM_DATA <= "011100010";
WHEN "101100010" => MEM_DATA <= "011100010";
WHEN "101100011" => MEM_DATA <= "011100010";
WHEN "101100100" => MEM_DATA <= "011100011";
WHEN "101100101" => MEM_DATA <= "011100011";
WHEN "101100110" => MEM_DATA <= "011100011";
WHEN "101100111" => MEM_DATA <= "011100100";
WHEN "101101000" => MEM_DATA <= "011100100";
WHEN "101101001" => MEM_DATA <= "011100100";
WHEN "101101010" => MEM_DATA <= "011100101";
WHEN "101101011" => MEM_DATA <= "011100101";
WHEN "101101100" => MEM_DATA <= "011100101";
WHEN "101101101" => MEM_DATA <= "011100110";
WHEN "101101110" => MEM_DATA <= "011100110";
WHEN "101101111" => MEM_DATA <= "011100110";
WHEN "101110000" => MEM_DATA <= "011100111";
WHEN "101110001" => MEM_DATA <= "011100111";
WHEN "101110010" => MEM_DATA <= "011100111";
WHEN "101110011" => MEM_DATA <= "011101000";
WHEN "101110100" => MEM_DATA <= "011101000";
WHEN "101110101" => MEM_DATA <= "011101000";
WHEN "101110110" => MEM_DATA <= "011101001";
WHEN "101110111" => MEM_DATA <= "011101001";
WHEN "101111000" => MEM_DATA <= "011101001";
WHEN "101111001" => MEM_DATA <= "011101010";
WHEN "101111010" => MEM_DATA <= "011101010";
WHEN "101111011" => MEM_DATA <= "011101010";
WHEN "101111100" => MEM_DATA <= "011101011";
WHEN "101111101" => MEM_DATA <= "011101011";
WHEN "101111110" => MEM_DATA <= "011101011";
WHEN "101111111" => MEM_DATA <= "011101100";
WHEN "110000000" => MEM_DATA <= "011101100";
WHEN "110000001" => MEM_DATA <= "011101100";
WHEN "110000010" => MEM_DATA <= "011101100";
WHEN "110000011" => MEM_DATA <= "011101101";
WHEN "110000100" => MEM_DATA <= "011101101";
WHEN "110000101" => MEM_DATA <= "011101101";
WHEN "110000110" => MEM_DATA <= "011101110";
WHEN "110000111" => MEM_DATA <= "011101110";
WHEN "110001000" => MEM_DATA <= "011101110";
WHEN "110001001" => MEM_DATA <= "011101110";
WHEN "110001010" => MEM_DATA <= "011101111";
WHEN "110001011" => MEM_DATA <= "011101111";
WHEN "110001100" => MEM_DATA <= "011101111";
WHEN "110001101" => MEM_DATA <= "011110000";
WHEN "110001110" => MEM_DATA <= "011110000";
WHEN "110001111" => MEM_DATA <= "011110000";
WHEN "110010000" => MEM_DATA <= "011110000";
WHEN "110010001" => MEM_DATA <= "011110001";
WHEN "110010010" => MEM_DATA <= "011110001";
WHEN "110010011" => MEM_DATA <= "011110001";
WHEN "110010100" => MEM_DATA <= "011110001";
WHEN "110010101" => MEM_DATA <= "011110010";
WHEN "110010110" => MEM_DATA <= "011110010";
WHEN "110010111" => MEM_DATA <= "011110010";
WHEN "110011000" => MEM_DATA <= "011110010";
WHEN "110011001" => MEM_DATA <= "011110011";
WHEN "110011010" => MEM_DATA <= "011110011";
WHEN "110011011" => MEM_DATA <= "011110011";
WHEN "110011100" => MEM_DATA <= "011110011";
WHEN "110011101" => MEM_DATA <= "011110100";
WHEN "110011110" => MEM_DATA <= "011110100";
WHEN "110011111" => MEM_DATA <= "011110100";
WHEN "110100000" => MEM_DATA <= "011110100";
WHEN "110100001" => MEM_DATA <= "011110100";
WHEN "110100010" => MEM_DATA <= "011110101";
WHEN "110100011" => MEM_DATA <= "011110101";
WHEN "110100100" => MEM_DATA <= "011110101";
WHEN "110100101" => MEM_DATA <= "011110101";
WHEN "110100110" => MEM_DATA <= "011110110";
WHEN "110100111" => MEM_DATA <= "011110110";
WHEN "110101000" => MEM_DATA <= "011110110";
WHEN "110101001" => MEM_DATA <= "011110110";
WHEN "110101010" => MEM_DATA <= "011110110";
WHEN "110101011" => MEM_DATA <= "011110111";
WHEN "110101100" => MEM_DATA <= "011110111";
WHEN "110101101" => MEM_DATA <= "011110111";
WHEN "110101110" => MEM_DATA <= "011110111";
WHEN "110101111" => MEM_DATA <= "011110111";
WHEN "110110000" => MEM_DATA <= "011111000";
WHEN "110110001" => MEM_DATA <= "011111000";
WHEN "110110010" => MEM_DATA <= "011111000";
WHEN "110110011" => MEM_DATA <= "011111000";
WHEN "110110100" => MEM_DATA <= "011111000";
WHEN "110110101" => MEM_DATA <= "011111000";
WHEN "110110110" => MEM_DATA <= "011111001";
WHEN "110110111" => MEM_DATA <= "011111001";
WHEN "110111000" => MEM_DATA <= "011111001";
WHEN "110111001" => MEM_DATA <= "011111001";
WHEN "110111010" => MEM_DATA <= "011111001";
WHEN "110111011" => MEM_DATA <= "011111001";
WHEN "110111100" => MEM_DATA <= "011111010";
WHEN "110111101" => MEM_DATA <= "011111010";
WHEN "110111110" => MEM_DATA <= "011111010";
WHEN "110111111" => MEM_DATA <= "011111010";
WHEN "111000000" => MEM_DATA <= "011111010";
WHEN "111000001" => MEM_DATA <= "011111010";
WHEN "111000010" => MEM_DATA <= "011111011";
WHEN "111000011" => MEM_DATA <= "011111011";
WHEN "111000100" => MEM_DATA <= "011111011";
WHEN "111000101" => MEM_DATA <= "011111011";
WHEN "111000110" => MEM_DATA <= "011111011";
WHEN "111000111" => MEM_DATA <= "011111011";
WHEN "111001000" => MEM_DATA <= "011111011";
WHEN "111001001" => MEM_DATA <= "011111011";
WHEN "111001010" => MEM_DATA <= "011111100";
WHEN "111001011" => MEM_DATA <= "011111100";
WHEN "111001100" => MEM_DATA <= "011111100";
WHEN "111001101" => MEM_DATA <= "011111100";
WHEN "111001110" => MEM_DATA <= "011111100";
WHEN "111001111" => MEM_DATA <= "011111100";
WHEN "111010000" => MEM_DATA <= "011111100";
WHEN "111010001" => MEM_DATA <= "011111100";
WHEN "111010010" => MEM_DATA <= "011111101";
WHEN "111010011" => MEM_DATA <= "011111101";
WHEN "111010100" => MEM_DATA <= "011111101";
WHEN "111010101" => MEM_DATA <= "011111101";
WHEN "111010110" => MEM_DATA <= "011111101";
WHEN "111010111" => MEM_DATA <= "011111101";
WHEN "111011000" => MEM_DATA <= "011111101";
WHEN "111011001" => MEM_DATA <= "011111101";
WHEN "111011010" => MEM_DATA <= "011111101";
WHEN "111011011" => MEM_DATA <= "011111101";
WHEN "111011100" => MEM_DATA <= "011111110";
WHEN "111011101" => MEM_DATA <= "011111110";
WHEN "111011110" => MEM_DATA <= "011111110";
WHEN "111011111" => MEM_DATA <= "011111110";
WHEN "111100000" => MEM_DATA <= "011111110";
WHEN "111100001" => MEM_DATA <= "011111110";
WHEN "111100010" => MEM_DATA <= "011111110";
WHEN "111100011" => MEM_DATA <= "011111110";
WHEN "111100100" => MEM_DATA <= "011111110";
WHEN "111100101" => MEM_DATA <= "011111110";
WHEN "111100110" => MEM_DATA <= "011111110";
WHEN "111100111" => MEM_DATA <= "011111110";
WHEN "111101000" => MEM_DATA <= "011111110";
WHEN "111101001" => MEM_DATA <= "011111110";
WHEN "111101010" => MEM_DATA <= "011111110";
WHEN "111101011" => MEM_DATA <= "011111111";
WHEN "111101100" => MEM_DATA <= "011111111";
WHEN "111101101" => MEM_DATA <= "011111111";
WHEN "111101110" => MEM_DATA <= "011111111";
WHEN "111101111" => MEM_DATA <= "011111111";
WHEN "111110000" => MEM_DATA <= "011111111";
WHEN "111110001" => MEM_DATA <= "011111111";
WHEN "111110010" => MEM_DATA <= "011111111";
WHEN "111110011" => MEM_DATA <= "011111111";
WHEN "111110100" => MEM_DATA <= "011111111";
WHEN "111110101" => MEM_DATA <= "011111111";
WHEN "111110110" => MEM_DATA <= "011111111";
WHEN "111110111" => MEM_DATA <= "011111111";
WHEN "111111000" => MEM_DATA <= "011111111";
WHEN "111111001" => MEM_DATA <= "011111111";
WHEN "111111010" => MEM_DATA <= "011111111";
WHEN "111111011" => MEM_DATA <= "011111111";
WHEN "111111100" => MEM_DATA <= "011111111";
WHEN "111111101" => MEM_DATA <= "011111111";
WHEN "111111110" => MEM_DATA <= "011111111";
WHEN "111111111" => MEM_DATA <= "011111111";
WHEN others => MEM_DATA <= "000000000";
end case;

end if;

end process;

end RTL;