example_en_16bit_s.vhd

VHDL examples for counter design, use QuickLogic eclips

   signal enable_buf_a : STD_LOGIC;
	constant 		VCC : STD_LOGIC := '1';
	constant 		GND : STD_LOGIC := '0';
   signal count_DUMMY : STD_LOGIC_VECTOR  (7 downto 0);
   signal enable_2_r_DUMMY : STD_LOGIC;
   signal fo_enable_r_DUMMY : STD_LOGIC;

   component COUNTER_EN_4BIT_S
      Port (   clear : In    STD_LOGIC;
                 clk : In    STD_LOGIC;
              enable : In    STD_LOGIC;
                qa_r : Out   STD_LOGIC;
                qb_r : Out   STD_LOGIC;
                qc_r : Out   STD_LOGIC;
                qd_r : Out   STD_LOGIC );
   end component;

   component SUPER_LOGIC
      Port (      A1 : In    STD_LOGIC;
                  A2 : In    STD_LOGIC;
                  A3 : In    STD_LOGIC;
                  A4 : In    STD_LOGIC;
                  A5 : In    STD_LOGIC;
                  A6 : In    STD_LOGIC;
                  B1 : In    STD_LOGIC;
                  B2 : In    STD_LOGIC;
                  C1 : In    STD_LOGIC;
                  C2 : In    STD_LOGIC;
                  D1 : In    STD_LOGIC;
                  D2 : In    STD_LOGIC;
                  E1 : In    STD_LOGIC;
                  E2 : In    STD_LOGIC;
                  F1 : In    STD_LOGIC;
                  F2 : In    STD_LOGIC;
                  F3 : In    STD_LOGIC;
                  F4 : In    STD_LOGIC;
                  F5 : In    STD_LOGIC;
                  F6 : In    STD_LOGIC;
                  MP : In    STD_LOGIC;
                  MS : In    STD_LOGIC;
                  NP : In    STD_LOGIC;
                \NS\ : In    STD_LOGIC;
                  OP : In    STD_LOGIC;
                  OS : In    STD_LOGIC;
                  PP : In    STD_LOGIC;
                  PS : In    STD_LOGIC;
                  QC : In    STD_LOGIC;
                  QR : In    STD_LOGIC;
                  QS : In    STD_LOGIC;
                  AZ : Out   STD_LOGIC;
                  FZ : Out   STD_LOGIC;
                  NZ : Out   STD_LOGIC;
                  OZ : Out   STD_LOGIC;
                 Q2Z : Out   STD_LOGIC;
                  QZ : Out   STD_LOGIC );
   end component;

begin


   count(7 downto 0) <= count_DUMMY(7 downto 0);
   enable_2_r <= enable_2_r_DUMMY;
   fo_enable_r <= fo_enable_r_DUMMY;
   I20 : COUNTER_EN_4BIT_S
      Port Map ( clear=>clear, clk=>clk, enable=>enable_buf_a,
                 qa_r=>count_DUMMY(3), qb_r=>count_DUMMY(2),
                 qc_r=>count_DUMMY(1), qd_r=>count_DUMMY(0) );
   I21 : COUNTER_EN_4BIT_S
      Port Map ( clear=>clear, clk=>clk, enable=>enable_1_a,
                 qa_r=>count_DUMMY(7), qb_r=>count_DUMMY(6),
                 qc_r=>count_DUMMY(5), qd_r=>count_DUMMY(4) );
   I19 : SUPER_LOGIC
      Port Map ( A1=>count_DUMMY(7), A2=>gnd, A3=>count_DUMMY(6),
                 A4=>gnd, A5=>count_DUMMY(5), A6=>gnd, B1=>gnd, B2=>gnd,
                 C1=>gnd, C2=>gnd, D1=>count_DUMMY(4), D2=>gnd, E1=>gnd,
                 E2=>gnd, F1=>enable, F2=>gnd, F3=>vcc, F4=>gnd, F5=>vcc,
                 F6=>gnd, MP=>gnd, MS=>gnd, NP=>gnd, \NS\=>gnd, OP=>vcc,
                 OS=>gnd, PP=>gnd, PS=>gnd, QC=>clk, QR=>clear, QS=>gnd,
                 AZ=>open, FZ=>enable_buf_a, NZ=>open, OZ=>open,
                 Q2Z=>open, QZ=>enable_2_r_DUMMY );
   I14 : SUPER_LOGIC
      Port Map ( A1=>count_DUMMY(3), A2=>gnd, A3=>count_DUMMY(2),
                 A4=>gnd, A5=>count_DUMMY(1), A6=>gnd, B1=>gnd, B2=>gnd,
                 C1=>gnd, C2=>gnd, D1=>count_DUMMY(0), D2=>gnd, E1=>vcc,
                 E2=>count_DUMMY(0), F1=>fo_enable_r_DUMMY, F2=>gnd,
                 F3=>enable, F4=>gnd, F5=>vcc, F6=>gnd, MP=>gnd, MS=>gnd,
                 NP=>gnd, \NS\=>enable_buf_a, OP=>vcc, OS=>gnd, PP=>gnd,
                 PS=>gnd, QC=>clk, QR=>clear, QS=>gnd, AZ=>open,
                 FZ=>enable_1_a, NZ=>open, OZ=>open, Q2Z=>open,
                 QZ=>fo_enable_r_DUMMY );

end SCHEMATIC;

library IEEE;
use IEEE.std_logic_1164.all;
entity COUNTER_EN_16BIT_S is
      Port (   clear : In    STD_LOGIC;
                 clk : In    STD_LOGIC;
              enable : In    STD_LOGIC;
               count : Out   STD_LOGIC_VECTOR (15 downto 0) );
end COUNTER_EN_16BIT_S;


architecture SCHEMATIC of COUNTER_EN_16BIT_S is

	attribute syn_macro : integer;
	attribute syn_macro of SCHEMATIC : architecture is 1;
   signal enable_1 : STD_LOGIC;
   signal enable_2 : STD_LOGIC;
   signal count_DUMMY : STD_LOGIC_VECTOR  (15 downto 0);

   component COUNTER_EN_8BIT_II_S
      Port (   clear : In    STD_LOGIC;
                 clk : In    STD_LOGIC;
              enable : In    STD_LOGIC;
             enable_1 : In    STD_LOGIC;
             enable_2 : In    STD_LOGIC;
               count : Out   STD_LOGIC_VECTOR  (7 downto 0);
             enable_3_r : Out   STD_LOGIC;
             enable_4_r : Out   STD_LOGIC );
   end component;

   component COUNTER_EN_8BIT_I_S
      Port (   clear : In    STD_LOGIC;
                 clk : In    STD_LOGIC;
              enable : In    STD_LOGIC;
               count : Out   STD_LOGIC_VECTOR  (7 downto 0);
             enable_2_r : Out   STD_LOGIC;
             fo_enable_r : Out   STD_LOGIC );
   end component;

begin


   count(15 downto 0) <= count_DUMMY(15 downto 0);
   I8 : COUNTER_EN_8BIT_II_S
      Port Map ( clear=>clear, clk=>clk, enable=>enable,
                 enable_1=>enable_1, enable_2=>enable_2,
                 count(7 downto 0)=>count_DUMMY(15 downto 8),
                 enable_3_r=>open, enable_4_r=>open );
   I9 : COUNTER_EN_8BIT_I_S
      Port Map ( clear=>clear, clk=>clk, enable=>enable,
                 count(7 downto 0)=>count_DUMMY(7 downto 0),
                 enable_2_r=>enable_2, fo_enable_r=>enable_1 );

end SCHEMATIC;

library IEEE;
use IEEE.std_logic_1164.all;
entity example_en_16bit_s is
      Port ( clear_in : In    STD_LOGIC;
              clk_in : In    STD_LOGIC;
             enable_in : In    STD_LOGIC;
             count_out : Out   STD_LOGIC_VECTOR (15 downto 0) );
end example_en_16bit_s;


architecture SCHEMATIC of example_en_16bit_s is

	attribute syn_macro : integer;
	attribute syn_macro of SCHEMATIC : architecture is 1;
   signal    count : STD_LOGIC_VECTOR (15 downto 0);
   signal count_reg : STD_LOGIC_VECTOR (15 downto 0);
   signal enable_reg : STD_LOGIC;
   signal   enable : STD_LOGIC;
   signal    clear : STD_LOGIC;
   signal      clk : STD_LOGIC;
   signal count_out_DUMMY : STD_LOGIC_VECTOR  (15 downto 0);

   component COUNTER_EN_16BIT_S
      Port (   clear : In    STD_LOGIC;
                 clk : In    STD_LOGIC;
              enable : In    STD_LOGIC;
               count : Out   STD_LOGIC_VECTOR  (15 downto 0) );
   end component;

   component RG16_25UM
      Port (     CLK : In    STD_LOGIC;
                   D : In    STD_LOGIC_VECTOR  (15 downto 0);
                   Q : Out   STD_LOGIC_VECTOR  (15 downto 0) );
   end component;

   component DFF_2
      Port (     CLK : In    STD_LOGIC;
                  D1 : In    STD_LOGIC;
                  D2 : In    STD_LOGIC;
                  Q1 : Out   STD_LOGIC;
                  Q2 : Out   STD_LOGIC );
   end component;

   component OPAD16_25UM
      Port (       A : In    STD_LOGIC_VECTOR  (15 downto 0);
                   P : Out   STD_LOGIC_VECTOR  (15 downto 0) );
   end component;

   component INPAD_25UM
      Port (       P : In    STD_LOGIC;
                   Q : Out   STD_LOGIC );
   end component;

   component CKPAD_25UM
      Port (       P : In    STD_LOGIC;
                   Q : Out   STD_LOGIC );
   end component;

begin


   count_out(15 downto 0) <= count_out_DUMMY(15 downto 0);
   I9 : COUNTER_EN_16BIT_S
      Port Map ( clear=>clear, clk=>clk, enable=>enable_reg,
                 count(15 downto 0)=>count(15 downto 0) );
   I1 : RG16_25UM
      Port Map ( CLK=>clk, D(15 downto 0)=>count(15 downto 0),
                 Q(15 downto 0)=>count_reg(15 downto 0) );
   I2 : DFF_2
      Port Map ( CLK=>clk, D1=>enable, D2=>enable, Q1=>enable_reg,
                 Q2=>open );
   I3 : OPAD16_25UM
      Port Map ( A(15 downto 0)=>count_reg(15 downto 0),
                 P(15 downto 0)=>count_out_DUMMY(15 downto 0) );
   I4 : INPAD_25UM
      Port Map ( P=>enable_in, Q=>enable );
   I5 : CKPAD_25UM
      Port Map ( P=>clear_in, Q=>clear );
   I6 : CKPAD_25UM
      Port Map ( P=>clk_in, Q=>clk );

end SCHEMATIC;