Generated by EASE/HDL for peterj on Mon Jul 02 11:00:53 2007

Documentation for architecture MROD_X_In/LimitPrlCnt/a0

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VHDL Contents

    1  -- EASE/HDL begin --------------------------------------------------------------
    2  -- 
    3  -- Architecture 'a0' of entity 'LimitPrlCnt'.
    4  -- 
    5  --------------------------------------------------------------------------------
    6  -- 
    7  -- Copy of the interface declaration:
    8  -- 
    9  --   port(
   10  --     Clk       : in     std_logic;
   11  --     Dec       : in     std_logic;
   12  --     Prl       : in     std_logic;
   13  --     PrlVal    : in     std_logic_Vector(11 downto 0);
   14  --     Rst_n     : in     std_logic;
   15  --     TDC_Limit : out    std_logic);
   16  -- 
   17  -- EASE/HDL end ----------------------------------------------------------------
   18  
   19  architecture a0 of LimitPrlCnt is
   20  
   21  begin
   22     Process (Clk, Rst_n)
   23        Variable Cnt: Unsigned(11 downto 0);
   24     Begin       
   25        If Rst_n = '0' Then
   26           Cnt := (Others => '0');
   27           TDC_Limit <= '0';
   28        Elsif Rising_Edge(Clk) Then
   29           If Prl = '1' Then
   30              Cnt := Unsigned(PrlVal);
   31              TDC_Limit <= '0';
   32           ElsIf Dec = '1' And Cnt > 0 Then
   33              Cnt := Cnt -1;
   34              TDC_Limit <= '0';
   35           ElsIf Cnt = 0 Then
   36              TDC_Limit <= '1';
   37           End If;
   38        End If;
   39     End Process;
   40  end architecture a0 ; -- of LimitPrlCnt
   41  
   42