decode_iga.tdf

语音采集,直接在QUARTUSII中打开调试.

--lpm_decode CBX_DECLARE_ALL_CONNECTED_PORTS="OFF" DEVICE_FAMILY="Cyclone" LPM_DECODES=4 LPM_WIDTH=2 data enable eq
--VERSION_BEGIN 5.1 cbx_cycloneii 2005:12:13:10:36:54:SJ cbx_lpm_add_sub 2005:11:02:10:42:42:SJ cbx_lpm_compare 2005:07:11:09:41:28:SJ cbx_lpm_decode 2005:04:27:14:28:48:SJ cbx_mgl 2006:01:12:16:15:18:SJ cbx_stratix 2005:12:28:11:18:26:SJ cbx_stratixii 2005:11:02:10:43:56:SJ  VERSION_END


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--synthesis_resources = lut 4 
SUBDESIGN decode_iga
( 
	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_anode221w[2..0]	: WIRE;
	w_anode234w[2..0]	: WIRE;
	w_anode242w[2..0]	: WIRE;
	w_anode250w[2..0]	: WIRE;

BEGIN 
	data_wire[] = data[];
	enable_wire = enable;
	eq[] = eq_node[];
	eq_node[3..0] = eq_wire[3..0];
	eq_wire[] = ( w_anode250w[2..2], w_anode242w[2..2], w_anode234w[2..2], w_anode221w[2..2]);
	w_anode221w[] = ( (w_anode221w[1..1] & (! data_wire[1..1])), (w_anode221w[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);
	w_anode242w[] = ( (w_anode242w[1..1] & data_wire[1..1]), (w_anode242w[0..0] & (! data_wire[0..0])), enable_wire);
	w_anode250w[] = ( (w_anode250w[1..1] & data_wire[1..1]), (w_anode250w[0..0] & data_wire[0..0]), enable_wire);
END;
--VALID FILE