---------------------------------------------------------------------------------- -- Company: -- Engineer: -- -- Create Date: 19:29:54 05/09/2016 -- Design Name: -- Module Name: lcddriver - Behavioral -- Project Name: yasg -- 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 primitives in this code. --library UNISIM; --use UNISIM.VComponents.all; entity lcd_driver is Port ( clk : in STD_LOGIC; -- Systemclock (~50MHz) data : in STD_LOGIC_VECTOR (7 downto 0); -- either one ascii char (8bit) or new cursor position (0-31) new_character : in STD_LOGIC; -- a new character is available on the data bus new_pos : in STD_LOGIC; -- a new cursor position is available on the data bus auto_incr_cursor : in STD_LOGIC; -- the cursor should automatically be incremented after writing a new character lcd_db : out STD_LOGIC_VECTOR (7 downto 0); -- lcd databus lcd_en : out STD_LOGIC; -- lcd enable lcd_rw : out STD_LOGIC; -- lcd read/write lcd_rs : out STD_LOGIC); -- lcd register select end lcd_driver; architecture Behavioral of lcd_driver is begin end Behavioral;