Index: /trunk/MultiChannelUSB/adc_para.v
===================================================================
--- /trunk/MultiChannelUSB/adc_para.v	(revision 60)
+++ /trunk/MultiChannelUSB/adc_para.v	(revision 60)
@@ -0,0 +1,31 @@
+module adc_para
+	(
+		input	wire			lvds_dco,
+		input	wire			lvds_fco,
+		input	wire			para_data_ready,
+ 		input	wire	[11:0]	para_data,
+
+		output	wire	[11:0]	adc_data
+	);
+
+	reg 	[1:0]	int_data_ready;
+	reg 	[11:0]	int_data, int_adc_data;
+
+	always @ (posedge lvds_dco)
+	begin
+		int_data_ready[1] <= int_data_ready[0];
+		int_data_ready[0] <= para_data_ready;
+		if ((int_data_ready[0]) & (~int_data_ready[1]))
+		begin
+			int_data <= para_data;
+		end
+	end
+
+	always @ (posedge lvds_fco)
+	begin
+		int_adc_data <= int_data;
+	end
+	
+	assign	adc_data = int_adc_data;
+
+endmodule