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[/] [scarts/] [trunk/] [processor/] [VHDL/] [ext_modules/] [ext_key_matrix/] [ext_key_matrix.vhd] - Rev 3
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----------------------------------------------------------------------- -- This file is part of SCARTS. -- -- SCARTS is free software: you can redistribute it and/or modify -- it under the terms of the GNU General Public License as published by -- the Free Software Foundation, either version 3 of the License, or -- (at your option) any later version. -- -- SCARTS is distributed in the hope that it will be useful, -- but WITHOUT ANY WARRANTY; without even the implied warranty of -- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -- GNU General Public License for more details. -- -- You should have received a copy of the GNU General Public License -- along with SCARTS. If not, see <http://www.gnu.org/licenses/>. ----------------------------------------------------------------------- library IEEE; use IEEE.std_logic_1164.all; use work.scarts_pkg.all; use work.ext_key_matrix_pkg.all; entity ext_key_matrix is generic ( CLK_FREQ : integer range 1 to integer'high; COLUMN_COUNT : integer range 1 to integer'high; ROW_COUNT : integer range 1 to integer'high ); port ( clk : in std_logic; extsel : in std_ulogic; exti : in module_in_type; exto : out module_out_type; columns : out std_logic_vector(COLUMN_COUNT - 1 downto 0); rows : in std_logic_vector(ROW_COUNT - 1 downto 0) ); end ext_key_matrix;