MATLAB DESIGN HDL CODER RELEASE NOTES Guide de l'utilisateur télécharger pdf (Page 127)

System Generator for DSP User Guide www.xilinx.com 127

UG640 (v 12.2) July 23, 2010

Generating Multiple Cycle-True Islands for Distinct Clocks

use unisim.vcomponents.all;

entity top_wrapper is

port (

clk : in std_logic;

din_a : in std_logic_vector(7 downto 0);

din_b : in std_logic_vector(7 downto 0);

dout_a : out std_logic_vector(7 downto 0);

dout_b : out std_logic_vector(7 downto 0)

);

end top_wrapper;

architecture structural of top_wrapper is

--------------------------------------

-- SysGen Model Component Declaration

--------------------------------------

component two_async_clks

port (

din_a: in std_logic_vector(7 downto 0);

din_b: in std_logic_vector(7 downto 0);

ss_clk_domaina_cw_ce: in std_logic := '1';

ss_clk_domaina_cw_clk: in std_logic;

ss_clk_domainb_cw_ce: in std_logic := '1';

ss_clk_domainb_cw_clk: in std_logic;

dout_a: out std_logic_vector(7 downto 0);

dout_b: out std_logic_vector(7 downto 0)

);

end component;

component bufg

port(i: in std_logic;

o: out std_logic);

end component;

--------------------------------------

-- DCM Component Declaration

--------------------------------------

component dcm

-- synopsys translate_off

generic (clkout_phase_shift : string := "fixed";

dll_frequency_mode : string := "low";

duty_cycle_correction : boolean := true;

clkdv_divide : real := 3;

clkfx_multiply : integer := 2;

clkfx_divide : integer := 1);

-- synopsys translate_on

port (clkin : in std_logic;

clkfb : in std_logic;

dssen : in std_logic;

psincdec : in std_logic;

psen : in std_logic;

psclk : in std_logic;

rst : in std_logic;

clk0 : out std_logic;

clk90 : out std_logic;

clk180 : out std_logic;

clk270 : out std_logic;

clk2x : out std_logic;

clk2x180 : out std_logic;

clkdv : out std_logic;

clkfx : out std_logic;

clkfx180 : out std_logic;

1 2 ... 122 123 124 125 126 127 128 129 130 131 132 ... 409 410

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MATLAB DESIGN HDL CODER RELEASE NOTES Guide de l'utilisateur Page 127

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