cosfunc.v

VHDL写的LMS算法程序。利用本地正弦信号

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// 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).

// You must compile the wrapper file cosfunc.v when simulating
// the core, cosfunc. When compiling the wrapper file, be sure to
// reference the XilinxCoreLib Verilog simulation library. For detailed
// instructions, please refer to the "CORE Generator Guide".

module cosfunc (
	THETA,
	CLK,
	ACLR,
	ND,
	RFD,
	RDY,
	SINE,
	COSINE);    // synthesis black_box

input [5 : 0] THETA;
input CLK;
input ACLR;
input ND;
output RFD;
output RDY;
output [7 : 0] SINE;
output [7 : 0] COSINE;

// synopsys translate_off

	C_SIN_COS_V4_2 #(
		0,	// c_enable_rlocs
		1,	// c_has_aclr
		0,	// c_has_ce
		1,	// c_has_clk
		1,	// c_has_nd
		1,	// c_has_rdy
		1,	// c_has_rfd
		0,	// c_has_sclr
		3,	// c_latency
		1,	// c_mem_type
		0,	// c_negative_cosine
		0,	// c_negative_sine
		2,	// c_outputs_required
		8,	// c_output_width
		1,	// c_pipe_stages
		1,	// c_reg_input
		1,	// c_reg_output
		1,	// c_symmetric
		6)	// c_theta_width
	inst (
		.THETA(THETA),
		.CLK(CLK),
		.ACLR(ACLR),
		.ND(ND),
		.RFD(RFD),
		.RDY(RDY),
		.SINE(SINE),
		.COSINE(COSINE),
		.CE(),
		.SCLR());


// synopsys translate_on

// FPGA Express black box declaration
// synopsys attribute fpga_dont_touch "true"
// synthesis attribute fpga_dont_touch of cosfunc is "true"

// XST black box declaration
// box_type "black_box"
// synthesis attribute box_type of cosfunc is "black_box"

endmodule