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-------------------------------------------------------------------------------
-- Module : cntdn
-------------------------------------------------------------------------------
-- Author : Johann Faerber
-- Company : University of Applied Sciences Augsburg
-------------------------------------------------------------------------------
-- Description: Down-Counter
-- including a low-active asynchronous reset input rst_ni
-- a high-active enable input en_pi
-- and a terminal count output: tc = 1 when count = 0
-------------------------------------------------------------------------------
-- Revisions : see end of file
-------------------------------------------------------------------------------
LIBRARY IEEE;
USE IEEE.std_logic_1164.ALL;
USE IEEE.numeric_std.ALL;
ENTITY cntdn IS
PORT (clk_i : IN std_ulogic;
rst_ni : IN std_ulogic;
en_pi : IN std_ulogic;
count_o : OUT std_ulogic_vector(3 DOWNTO 0);
tc_o : OUT std_ulogic
);
END cntdn;
ARCHITECTURE rtl OF cntdn IS
BEGIN
incrementer :
state_register :
counter_output :
terminal_output :
END rtl;
-------------------------------------------------------------------------------
-- Revisions:
-- ----------
-- $Id:$
-------------------------------------------------------------------------------
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