ded_mult_ob91.tdf

DE2_TV_m_write.rar是用来去处抖动的

--alt_ded_mult_y CBX_DECLARE_ALL_CONNECTED_PORTS="OFF" dedicated_multiplier_circuitry="AUTO" device_family="Cyclone II" dsp_block_balancing="Auto" input_aclr_a="ACLR0" input_aclr_b="ACLR0" input_reg_a="CLOCK0" input_reg_b="CLOCK0" output_aclr="ACLR0" output_reg="CLOCK0" pipeline_reg="UNREGISTERED" representation_a="UNSIGNED" representation_b="SIGNED" sub_dedicated_multiplier_circuitry="YES" width_a=8 width_b=17 aclr clock dataa datab ena result
--VERSION_BEGIN 7.0 cbx_alt_ded_mult_y 2006:11:20:15:44:42:SJ cbx_cycloneii 2006:09:29:19:03:26:SJ cbx_lpm_add_sub 2006:10:10:22:03:24:SJ cbx_mgl 2006:10:27:16:08:48:SJ cbx_padd 2006:11:07:16:02:02:SJ cbx_parallel_add 2006:02:24:16:54:52:SJ cbx_stratix 2006:09:18:10:47:42:SJ cbx_stratixii 2006:10:13:14:01:30:SJ cbx_util_mgl 2006:11:03:10:32:30:SJ  VERSION_END


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--  without limitation, that your use is for the sole purpose of 
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FUNCTION cycloneii_mac_mult (aclr, clk, dataa[dataa_width-1..0], datab[datab_width-1..0], ena, signa, signb)
WITH ( 	dataa_clock,	dataa_width,	datab_clock,	datab_width,	signa_clock,	signb_clock) 
RETURNS ( dataout[dataa_width+datab_width-1..0]);
PARAMETERS
(
	dataa_width = 0
);
FUNCTION cycloneii_mac_out (aclr, clk, dataa[dataa_width-1..0], ena)
WITH ( 	dataa_width,	output_clock) 
RETURNS ( dataout[dataa_width-1..0]);
FUNCTION dffpipe_b3c (d[24..0])
RETURNS ( q[24..0]);

--synthesis_resources = dsp_9bit 2 
SUBDESIGN ded_mult_ob91
( 
	aclr[3..0]	:	input;
	clock[3..0]	:	input;
	dataa[7..0]	:	input;
	datab[16..0]	:	input;
	ena[3..0]	:	input;
	result[24..0]	:	output;
) 
VARIABLE 
	mac_mult70 : cycloneii_mac_mult
		WITH (
			dataa_clock = "0",
			dataa_width = 8,
			datab_clock = "0",
			datab_width = 17
		);
	mac_out71 : cycloneii_mac_out
		WITH (
			dataa_width = 25,
			output_clock = "0"
		);
	pre_result : dffpipe_b3c;
	x_dataa[7..0]	: WIRE;
	x_datab[16..0]	: WIRE;
	x_signa[0..0]	: WIRE;
	x_signb[0..0]	: WIRE;

BEGIN 
	mac_mult70.aclr = aclr[0..0];
	mac_mult70.clk = clock[0..0];
	mac_mult70.dataa[] = ( x_dataa[]);
	mac_mult70.datab[] = ( x_datab[]);
	mac_mult70.ena = ena[0..0];
	mac_mult70.signa = x_signa[];
	mac_mult70.signb = x_signb[];
	mac_out71.aclr = aclr[0..0];
	mac_out71.clk = clock[0..0];
	mac_out71.dataa[] = ( mac_mult70.dataout[24..0]);
	mac_out71.ena = ena[0..0];
	pre_result.d[24..0] = mac_out71.dataout[24..0];
	result[] = pre_result.q[];
	x_dataa[] = dataa[];
	x_datab[] = datab[];
	x_signa[] = B"0";
	x_signb[] = B"1";
END;
--VALID FILE