Subversion Repositories mjpeg-decoder

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--     solely for design, simulation, implementation and creation of          --
--     design files limited to Xilinx devices or technologies. Use            --
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-- You must compile the wrapper file jpeg_checkff_fifo.vhd when simulating
-- the core, jpeg_checkff_fifo. When compiling the wrapper file, be sure to
-- reference the XilinxCoreLib VHDL simulation library. For detailed
-- instructions, please refer to the "CORE Generator Help".
 
-- The synopsys directives "translate_off/translate_on" specified
-- below are supported by XST, FPGA Compiler II, Mentor Graphics and Synplicity
-- synthesis tools. Ensure they are correct for your synthesis tool(s).
 
LIBRARY ieee;
USE ieee.std_logic_1164.ALL;
-- synopsys translate_off
Library XilinxCoreLib;
-- synopsys translate_on
ENTITY jpeg_checkff_fifo IS
	port (
	din: IN std_logic_VECTOR(11 downto 0);
	rd_clk: IN std_logic;
	rd_en: IN std_logic;
	rst: IN std_logic;
	wr_clk: IN std_logic;
	wr_en: IN std_logic;
	almost_empty: OUT std_logic;
	almost_full: OUT std_logic;
	dout: OUT std_logic_VECTOR(11 downto 0);
	empty: OUT std_logic;
	full: OUT std_logic;
	valid: OUT std_logic);
END jpeg_checkff_fifo;
 
ARCHITECTURE jpeg_checkff_fifo_a OF jpeg_checkff_fifo IS
-- synopsys translate_off
component wrapped_jpeg_checkff_fifo
	port (
	din: IN std_logic_VECTOR(11 downto 0);
	rd_clk: IN std_logic;
	rd_en: IN std_logic;
	rst: IN std_logic;
	wr_clk: IN std_logic;
	wr_en: IN std_logic;
	almost_empty: OUT std_logic;
	almost_full: OUT std_logic;
	dout: OUT std_logic_VECTOR(11 downto 0);
	empty: OUT std_logic;
	full: OUT std_logic;
	valid: OUT std_logic);
end component;
 
-- Configuration specification 
	for all : wrapped_jpeg_checkff_fifo use entity XilinxCoreLib.fifo_generator_v2_3(behavioral)
		generic map(
			c_wr_response_latency => 1,
			c_has_rd_data_count => 0,
			c_din_width => 12,
			c_has_wr_data_count => 0,
			c_implementation_type => 2,
			c_family => "virtex2p",
			c_has_wr_rst => 0,
			c_underflow_low => 0,
			c_has_meminit_file => 0,
			c_has_overflow => 0,
			c_preload_latency => 0,
			c_dout_width => 12,
			c_rd_depth => 2048,
			c_default_value => "BlankString",
			c_mif_file_name => "BlankString",
			c_has_underflow => 0,
			c_has_rd_rst => 0,
			c_has_almost_full => 1,
			c_has_rst => 1,
			c_data_count_width => 2,
			c_has_wr_ack => 0,
			c_wr_ack_low => 0,
			c_common_clock => 0,
			c_rd_pntr_width => 11,
			c_has_almost_empty => 1,
			c_rd_data_count_width => 2,
			c_enable_rlocs => 0,
			c_wr_pntr_width => 11,
			c_overflow_low => 0,
			c_prog_empty_type => 0,
			c_optimization_mode => 0,
			c_wr_data_count_width => 2,
			c_preload_regs => 1,
			c_dout_rst_val => "0",
			c_has_data_count => 0,
			c_prog_full_thresh_negate_val => 2046,
			c_wr_depth => 2048,
			c_prog_empty_thresh_negate_val => 2046,
			c_prog_empty_thresh_assert_val => 2046,
			c_has_valid => 1,
			c_init_wr_pntr_val => 0,
			c_prog_full_thresh_assert_val => 2046,
			c_use_fifo16_flags => 0,
			c_has_backup => 0,
			c_valid_low => 0,
			c_prim_fifo_type => 1024,
			c_count_type => 0,
			c_prog_full_type => 0,
			c_memory_type => 1);
-- synopsys translate_on
BEGIN
-- synopsys translate_off
U0 : wrapped_jpeg_checkff_fifo
		port map (
			din => din,
			rd_clk => rd_clk,
			rd_en => rd_en,
			rst => rst,
			wr_clk => wr_clk,
			wr_en => wr_en,
			almost_empty => almost_empty,
			almost_full => almost_full,
			dout => dout,
			empty => empty,
			full => full,
			valid => valid);
-- synopsys translate_on
 
END jpeg_checkff_fifo_a;