shift_taps_k0r.tdf

DE2_TV_m_write.rar是用来去处抖动的

--altshift_taps CBX_DECLARE_ALL_CONNECTED_PORTS="OFF" DEVICE_FAMILY="Cyclone II" NUMBER_OF_TAPS=1 TAP_DISTANCE=640 WIDTH=16 clken clock shiftin shiftout taps CARRY_CHAIN="MANUAL" CARRY_CHAIN_LENGTH=48 CYCLONEII_M4K_COMPATIBILITY="ON" CYCLONEII_SAFE_WRITE="RESTRUCTURE" LOW_POWER_MODE="AUTO"
--VERSION_BEGIN 6.1 cbx_altdpram 2006:11:03:15:22:16:SJ cbx_altshift_taps 2006:07:13:14:20:22:SJ cbx_altsyncram 2006:11:03:10:29:54:SJ cbx_cycloneii 2006:09:29:19:03:26:SJ cbx_lpm_add_sub 2006:10:10:22:03:24:SJ cbx_lpm_compare 2006:04:25:14:54:12:SJ cbx_lpm_counter 2006:11:07:16:43:46:SJ cbx_lpm_decode 2006:04:25:15:10:18:SJ cbx_lpm_mux 2006:04:25:15:10:08:SJ cbx_mgl 2006:10:27:16:08:48:SJ cbx_stratix 2006:09:18:10:47:42:SJ cbx_stratixii 2006:10:13:14:01:30:SJ cbx_stratixiii 2006:10:19:19:28:28:SJ cbx_util_mgl 2006:11:03:10:32:30:SJ  VERSION_END


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FUNCTION altsyncram_q0c1 (address_a[9..0], address_b[9..0], clock0, clocken0, data_a[15..0], wren_a)
RETURNS ( q_b[15..0]);
FUNCTION cntr_hpf (clk_en, clock)
RETURNS ( q[9..0]);

--synthesis_resources = lut 17 M4K 4 reg 10 
SUBDESIGN shift_taps_k0r
( 
	clken	:	input;
	clock	:	input;
	shiftin[15..0]	:	input;
	shiftout[15..0]	:	output;
	taps[15..0]	:	output;
) 
VARIABLE 
	altsyncram2 : altsyncram_q0c1;
	cntr1 : cntr_hpf;

BEGIN 
	altsyncram2.address_a[] = cntr1.q[];
	altsyncram2.address_b[] = cntr1.q[];
	altsyncram2.clock0 = clock;
	altsyncram2.clocken0 = clken;
	altsyncram2.data_a[] = ( shiftin[]);
	altsyncram2.wren_a = B"1";
	cntr1.clk_en = clken;
	cntr1.clock = clock;
	shiftout[15..0] = altsyncram2.q_b[15..0];
	taps[] = altsyncram2.q_b[];
END;
--VALID FILE