mult_c111.tdf

液晶显示驱动源程序代码

--lpm_mult CBX_DECLARE_ALL_CONNECTED_PORTS="OFF" DEDICATED_MULTIPLIER_CIRCUITRY="AUTO" DEVICE_FAMILY="Cyclone II" DSP_BLOCK_BALANCING="Auto" INPUT_A_IS_CONSTANT="YES" INPUT_B_IS_CONSTANT="NO" LPM_REPRESENTATION="UNSIGNED" LPM_WIDTHA=9 LPM_WIDTHB=32 LPM_WIDTHP=41 LPM_WIDTHS=1 MAXIMIZE_SPEED=5 dataa datab result CARRY_CHAIN="MANUAL" CARRY_CHAIN_LENGTH=48
--VERSION_BEGIN 7.1 cbx_cycloneii 2007:01:23:09:39:40:SJ cbx_lpm_add_sub 2007:01:08:11:15:18:SJ cbx_lpm_mult 2007:03:30:15:38:08:SJ cbx_mgl 2007:04:03:14:06:46:SJ cbx_padd 2006:11:07:15:06:12:SJ cbx_stratix 2007:04:12:16:43:52:SJ cbx_stratixii 2007:02:12:17:08:26:SJ cbx_util_mgl 2007:01:15:12:22:48:SJ  VERSION_END


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--  functions, and any output files from any of the foregoing 
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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]);

--synthesis_resources = dsp_9bit 4 lut 24 
SUBDESIGN mult_c111
( 
	dataa[8..0]	:	input;
	datab[31..0]	:	input;
	result[40..0]	:	output;
) 
VARIABLE 
	mac_mult1 : cycloneii_mac_mult
		WITH (
			dataa_clock = "none",
			dataa_width = 9,
			datab_clock = "none",
			datab_width = 18,
			signa_clock = "none",
			signb_clock = "none"
		);
	mac_mult3 : cycloneii_mac_mult
		WITH (
			dataa_clock = "none",
			dataa_width = 9,
			datab_clock = "none",
			datab_width = 14,
			signa_clock = "none",
			signb_clock = "none"
		);
	mac_out2 : cycloneii_mac_out
		WITH (
			dataa_width = 27,
			output_clock = "none"
		);
	mac_out4 : cycloneii_mac_out
		WITH (
			dataa_width = 23,
			output_clock = "none"
		);
	add_sub5_dataa[23..0]	:	WIRE;
	add_sub5_datab[23..0]	:	WIRE;
	add_sub5_result[23..0]	:	WIRE;
	w26w[41..0]	: WIRE;

BEGIN 
	mac_mult1.dataa[] = ( dataa[8..0]);
	mac_mult1.datab[] = ( datab[17..0]);
	mac_mult1.signa = B"0";
	mac_mult1.signb = B"0";
	mac_mult3.dataa[] = ( dataa[8..0]);
	mac_mult3.datab[] = ( datab[31..18]);
	mac_mult3.signa = B"0";
	mac_mult3.signb = B"0";
	mac_out2.dataa[] = mac_mult1.dataout[];
	mac_out4.dataa[] = mac_mult3.dataout[];
	add_sub5_result[] = add_sub5_dataa[] + add_sub5_datab[];
	add_sub5_dataa[] = ( B"000000000000000", mac_out2.dataout[26..18]);
	add_sub5_datab[] = ( B"0", mac_out4.dataout[22..0]);
	result[40..0] = w26w[40..0];
	w26w[] = ( add_sub5_result[], mac_out2.dataout[17..0]);
END;
--VALID FILE