decode_4oa.tdf

来自「驱动时钟加入了PLL,使得DDS的驱动时钟可变.32位的NCO使得DDS的分辨率」· TDF 代码 · 共 50 行

--lpm_decode CBX_DECLARE_ALL_CONNECTED_PORTS="OFF" DEVICE_FAMILY="Cyclone II" LPM_DECODES=4 LPM_WIDTH=2 data enable eq
--VERSION_BEGIN 7.2 cbx_cycloneii 2007:06:13:15:47:32:SJ cbx_lpm_add_sub 2007:08:06:16:01:34:SJ cbx_lpm_compare 2007:06:21:15:54:06:SJ cbx_lpm_decode 2007:03:12:19:01:52:SJ cbx_mgl 2007:08:03:15:48:12:SJ cbx_stratix 2007:05:02:16:27:14:SJ cbx_stratixii 2007:06:28:17:26:26:SJ  VERSION_END


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--synthesis_resources = lut 4 
SUBDESIGN decode_4oa
( 
	data[1..0]	:	input;
	enable	:	input;
	eq[3..0]	:	output;
) 
VARIABLE 
	data_wire[1..0]	: WIRE;
	enable_wire	: WIRE;
	eq_node[3..0]	: WIRE;
	eq_wire[3..0]	: WIRE;
	w_anode205w[2..0]	: WIRE;
	w_anode218w[2..0]	: WIRE;
	w_anode226w[2..0]	: WIRE;
	w_anode234w[2..0]	: WIRE;

BEGIN 
	data_wire[] = data[];
	enable_wire = enable;
	eq[] = eq_node[];
	eq_node[3..0] = eq_wire[3..0];
	eq_wire[] = ( w_anode234w[2..2], w_anode226w[2..2], w_anode218w[2..2], w_anode205w[2..2]);
	w_anode205w[] = ( (w_anode205w[1..1] & (! data_wire[1..1])), (w_anode205w[0..0] & (! data_wire[0..0])), enable_wire);
	w_anode218w[] = ( (w_anode218w[1..1] & (! data_wire[1..1])), (w_anode218w[0..0] & data_wire[0..0]), enable_wire);
	w_anode226w[] = ( (w_anode226w[1..1] & data_wire[1..1]), (w_anode226w[0..0] & (! data_wire[0..0])), enable_wire);
	w_anode234w[] = ( (w_anode234w[1..1] & data_wire[1..1]), (w_anode234w[0..0] & data_wire[0..0]), enable_wire);
END;
--VALID FILE