302 lines
15 KiB
Verilog
302 lines
15 KiB
Verilog
// ***************************************************************************
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// ***************************************************************************
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// Copyright 2018 (c) Analog Devices, Inc. All rights reserved.
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//
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// In this HDL repository, there are many different and unique modules, consisting
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// of various HDL (Verilog or VHDL) components. The individual modules are
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// developed independently, and may be accompanied by separate and unique license
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// terms.
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//
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// The user should read each of these license terms, and understand the
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// freedoms and responsabilities that he or she has by using this source/core.
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//
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// This core is distributed in the hope that it will be useful, but WITHOUT ANY
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// WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
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// A PARTICULAR PURPOSE.
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//
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// Redistribution and use of source or resulting binaries, with or without modification
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// of this file, are permitted under one of the following two license terms:
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//
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// 1. The GNU General Public License version 2 as published by the
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// Free Software Foundation, which can be found in the top level directory
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// of this repository (LICENSE_GPL2), and also online at:
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// <https://www.gnu.org/licenses/old-licenses/gpl-2.0.html>
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//
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// OR
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//
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// 2. An ADI specific BSD license, which can be found in the top level directory
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// of this repository (LICENSE_ADIBSD), and also on-line at:
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// https://github.com/analogdevicesinc/hdl/blob/master/LICENSE_ADIBSD
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// This will allow to generate bit files and not release the source code,
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// as long as it attaches to an ADI device.
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//
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// ***************************************************************************
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// ***************************************************************************
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`timescale 1ns/100ps
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module util_cpack2 #(
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parameter NUM_OF_CHANNELS = 4,
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parameter SAMPLES_PER_CHANNEL = 1,
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parameter SAMPLE_DATA_WIDTH = 16
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) (
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input clk,
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input reset,
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input enable_0,
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input enable_1,
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input enable_2,
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input enable_3,
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input enable_4,
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input enable_5,
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input enable_6,
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input enable_7,
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input enable_8,
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input enable_9,
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input enable_10,
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input enable_11,
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input enable_12,
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input enable_13,
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input enable_14,
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input enable_15,
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input enable_16,
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input enable_17,
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input enable_18,
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input enable_19,
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input enable_20,
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input enable_21,
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input enable_22,
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input enable_23,
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input enable_24,
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input enable_25,
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input enable_26,
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input enable_27,
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input enable_28,
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input enable_29,
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input enable_30,
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input enable_31,
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input enable_32,
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input enable_33,
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input enable_34,
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input enable_35,
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input enable_36,
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input enable_37,
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input enable_38,
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input enable_39,
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input enable_40,
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input enable_41,
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input enable_42,
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input enable_43,
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input enable_44,
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input enable_45,
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input enable_46,
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input enable_47,
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input enable_48,
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input enable_49,
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input enable_50,
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input enable_51,
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input enable_52,
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input enable_53,
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input enable_54,
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input enable_55,
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input enable_56,
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input enable_57,
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input enable_58,
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input enable_59,
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input enable_60,
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input enable_61,
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input enable_62,
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input enable_63,
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input fifo_wr_en,
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output fifo_wr_overflow,
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input [SAMPLE_DATA_WIDTH*SAMPLES_PER_CHANNEL-1:0] fifo_wr_data_0,
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input [SAMPLE_DATA_WIDTH*SAMPLES_PER_CHANNEL-1:0] fifo_wr_data_1,
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input [SAMPLE_DATA_WIDTH*SAMPLES_PER_CHANNEL-1:0] fifo_wr_data_2,
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input [SAMPLE_DATA_WIDTH*SAMPLES_PER_CHANNEL-1:0] fifo_wr_data_3,
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input [SAMPLE_DATA_WIDTH*SAMPLES_PER_CHANNEL-1:0] fifo_wr_data_4,
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input [SAMPLE_DATA_WIDTH*SAMPLES_PER_CHANNEL-1:0] fifo_wr_data_5,
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input [SAMPLE_DATA_WIDTH*SAMPLES_PER_CHANNEL-1:0] fifo_wr_data_6,
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input [SAMPLE_DATA_WIDTH*SAMPLES_PER_CHANNEL-1:0] fifo_wr_data_7,
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input [SAMPLE_DATA_WIDTH*SAMPLES_PER_CHANNEL-1:0] fifo_wr_data_8,
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input [SAMPLE_DATA_WIDTH*SAMPLES_PER_CHANNEL-1:0] fifo_wr_data_9,
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input [SAMPLE_DATA_WIDTH*SAMPLES_PER_CHANNEL-1:0] fifo_wr_data_10,
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input [SAMPLE_DATA_WIDTH*SAMPLES_PER_CHANNEL-1:0] fifo_wr_data_11,
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input [SAMPLE_DATA_WIDTH*SAMPLES_PER_CHANNEL-1:0] fifo_wr_data_12,
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input [SAMPLE_DATA_WIDTH*SAMPLES_PER_CHANNEL-1:0] fifo_wr_data_13,
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input [SAMPLE_DATA_WIDTH*SAMPLES_PER_CHANNEL-1:0] fifo_wr_data_14,
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input [SAMPLE_DATA_WIDTH*SAMPLES_PER_CHANNEL-1:0] fifo_wr_data_15,
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input [SAMPLE_DATA_WIDTH*SAMPLES_PER_CHANNEL-1:0] fifo_wr_data_16,
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input [SAMPLE_DATA_WIDTH*SAMPLES_PER_CHANNEL-1:0] fifo_wr_data_17,
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input [SAMPLE_DATA_WIDTH*SAMPLES_PER_CHANNEL-1:0] fifo_wr_data_18,
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input [SAMPLE_DATA_WIDTH*SAMPLES_PER_CHANNEL-1:0] fifo_wr_data_19,
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input [SAMPLE_DATA_WIDTH*SAMPLES_PER_CHANNEL-1:0] fifo_wr_data_20,
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input [SAMPLE_DATA_WIDTH*SAMPLES_PER_CHANNEL-1:0] fifo_wr_data_21,
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input [SAMPLE_DATA_WIDTH*SAMPLES_PER_CHANNEL-1:0] fifo_wr_data_22,
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input [SAMPLE_DATA_WIDTH*SAMPLES_PER_CHANNEL-1:0] fifo_wr_data_23,
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input [SAMPLE_DATA_WIDTH*SAMPLES_PER_CHANNEL-1:0] fifo_wr_data_24,
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input [SAMPLE_DATA_WIDTH*SAMPLES_PER_CHANNEL-1:0] fifo_wr_data_25,
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input [SAMPLE_DATA_WIDTH*SAMPLES_PER_CHANNEL-1:0] fifo_wr_data_26,
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input [SAMPLE_DATA_WIDTH*SAMPLES_PER_CHANNEL-1:0] fifo_wr_data_27,
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input [SAMPLE_DATA_WIDTH*SAMPLES_PER_CHANNEL-1:0] fifo_wr_data_28,
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input [SAMPLE_DATA_WIDTH*SAMPLES_PER_CHANNEL-1:0] fifo_wr_data_29,
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input [SAMPLE_DATA_WIDTH*SAMPLES_PER_CHANNEL-1:0] fifo_wr_data_30,
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input [SAMPLE_DATA_WIDTH*SAMPLES_PER_CHANNEL-1:0] fifo_wr_data_31,
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input [SAMPLE_DATA_WIDTH*SAMPLES_PER_CHANNEL-1:0] fifo_wr_data_32,
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input [SAMPLE_DATA_WIDTH*SAMPLES_PER_CHANNEL-1:0] fifo_wr_data_33,
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input [SAMPLE_DATA_WIDTH*SAMPLES_PER_CHANNEL-1:0] fifo_wr_data_34,
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input [SAMPLE_DATA_WIDTH*SAMPLES_PER_CHANNEL-1:0] fifo_wr_data_35,
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input [SAMPLE_DATA_WIDTH*SAMPLES_PER_CHANNEL-1:0] fifo_wr_data_36,
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input [SAMPLE_DATA_WIDTH*SAMPLES_PER_CHANNEL-1:0] fifo_wr_data_37,
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input [SAMPLE_DATA_WIDTH*SAMPLES_PER_CHANNEL-1:0] fifo_wr_data_38,
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input [SAMPLE_DATA_WIDTH*SAMPLES_PER_CHANNEL-1:0] fifo_wr_data_39,
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input [SAMPLE_DATA_WIDTH*SAMPLES_PER_CHANNEL-1:0] fifo_wr_data_40,
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input [SAMPLE_DATA_WIDTH*SAMPLES_PER_CHANNEL-1:0] fifo_wr_data_41,
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input [SAMPLE_DATA_WIDTH*SAMPLES_PER_CHANNEL-1:0] fifo_wr_data_42,
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input [SAMPLE_DATA_WIDTH*SAMPLES_PER_CHANNEL-1:0] fifo_wr_data_43,
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input [SAMPLE_DATA_WIDTH*SAMPLES_PER_CHANNEL-1:0] fifo_wr_data_44,
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input [SAMPLE_DATA_WIDTH*SAMPLES_PER_CHANNEL-1:0] fifo_wr_data_45,
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input [SAMPLE_DATA_WIDTH*SAMPLES_PER_CHANNEL-1:0] fifo_wr_data_46,
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input [SAMPLE_DATA_WIDTH*SAMPLES_PER_CHANNEL-1:0] fifo_wr_data_47,
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input [SAMPLE_DATA_WIDTH*SAMPLES_PER_CHANNEL-1:0] fifo_wr_data_48,
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input [SAMPLE_DATA_WIDTH*SAMPLES_PER_CHANNEL-1:0] fifo_wr_data_49,
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input [SAMPLE_DATA_WIDTH*SAMPLES_PER_CHANNEL-1:0] fifo_wr_data_50,
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input [SAMPLE_DATA_WIDTH*SAMPLES_PER_CHANNEL-1:0] fifo_wr_data_51,
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input [SAMPLE_DATA_WIDTH*SAMPLES_PER_CHANNEL-1:0] fifo_wr_data_52,
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input [SAMPLE_DATA_WIDTH*SAMPLES_PER_CHANNEL-1:0] fifo_wr_data_53,
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input [SAMPLE_DATA_WIDTH*SAMPLES_PER_CHANNEL-1:0] fifo_wr_data_54,
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input [SAMPLE_DATA_WIDTH*SAMPLES_PER_CHANNEL-1:0] fifo_wr_data_55,
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input [SAMPLE_DATA_WIDTH*SAMPLES_PER_CHANNEL-1:0] fifo_wr_data_56,
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input [SAMPLE_DATA_WIDTH*SAMPLES_PER_CHANNEL-1:0] fifo_wr_data_57,
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input [SAMPLE_DATA_WIDTH*SAMPLES_PER_CHANNEL-1:0] fifo_wr_data_58,
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input [SAMPLE_DATA_WIDTH*SAMPLES_PER_CHANNEL-1:0] fifo_wr_data_59,
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input [SAMPLE_DATA_WIDTH*SAMPLES_PER_CHANNEL-1:0] fifo_wr_data_60,
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input [SAMPLE_DATA_WIDTH*SAMPLES_PER_CHANNEL-1:0] fifo_wr_data_61,
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input [SAMPLE_DATA_WIDTH*SAMPLES_PER_CHANNEL-1:0] fifo_wr_data_62,
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input [SAMPLE_DATA_WIDTH*SAMPLES_PER_CHANNEL-1:0] fifo_wr_data_63,
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output packed_fifo_wr_en,
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input packed_fifo_wr_overflow,
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output packed_fifo_wr_sync,
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output [2**$clog2(NUM_OF_CHANNELS)*SAMPLE_DATA_WIDTH*SAMPLES_PER_CHANNEL-1:0] packed_fifo_wr_data
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);
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localparam CHANNEL_DATA_WIDTH = SAMPLE_DATA_WIDTH * SAMPLES_PER_CHANNEL;
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/*
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* Round up to the next power of two and zero out the additional channels
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* internally.
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*/
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localparam REAL_NUM_OF_CHANNELS = NUM_OF_CHANNELS > 32 ? 64 :
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NUM_OF_CHANNELS > 16 ? 32 :
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NUM_OF_CHANNELS > 8 ? 16 :
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NUM_OF_CHANNELS > 4 ? 8 :
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NUM_OF_CHANNELS > 2 ? 4 :
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NUM_OF_CHANNELS > 1 ? 2 : 1;
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/* FIXME: Find out how to do this in the IP-XACT */
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wire [REAL_NUM_OF_CHANNELS-1:0] enable;
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wire [63:0] enable_s;
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wire [CHANNEL_DATA_WIDTH*REAL_NUM_OF_CHANNELS-1:0] fifo_wr_data;
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wire [CHANNEL_DATA_WIDTH*64-1:0] fifo_wr_data_s;
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assign enable_s = {
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enable_63,enable_62,enable_61,enable_60,enable_59,enable_58,enable_57,enable_56,
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enable_55,enable_54,enable_53,enable_52,enable_51,enable_50,enable_49,enable_48,
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enable_47,enable_46,enable_45,enable_44,enable_43,enable_42,enable_41,enable_40,
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enable_39,enable_38,enable_37,enable_36,enable_35,enable_34,enable_33,enable_32,
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enable_31,enable_30,enable_29,enable_28,enable_27,enable_26,enable_25,enable_24,
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enable_23,enable_22,enable_21,enable_20,enable_19,enable_18,enable_17,enable_16,
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enable_15,enable_14,enable_13,enable_12,enable_11,enable_10,enable_9,enable_8,
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enable_7,enable_6,enable_5,enable_4,enable_3,enable_2,enable_1,enable_0
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};
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assign enable = enable_s[REAL_NUM_OF_CHANNELS-1:0];
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assign fifo_wr_data_s[CHANNEL_DATA_WIDTH*0+:CHANNEL_DATA_WIDTH] = fifo_wr_data_0;
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assign fifo_wr_data_s[CHANNEL_DATA_WIDTH*1+:CHANNEL_DATA_WIDTH] = fifo_wr_data_1;
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assign fifo_wr_data_s[CHANNEL_DATA_WIDTH*2+:CHANNEL_DATA_WIDTH] = fifo_wr_data_2;
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assign fifo_wr_data_s[CHANNEL_DATA_WIDTH*3+:CHANNEL_DATA_WIDTH] = fifo_wr_data_3;
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assign fifo_wr_data_s[CHANNEL_DATA_WIDTH*4+:CHANNEL_DATA_WIDTH] = fifo_wr_data_4;
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assign fifo_wr_data_s[CHANNEL_DATA_WIDTH*5+:CHANNEL_DATA_WIDTH] = fifo_wr_data_5;
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assign fifo_wr_data_s[CHANNEL_DATA_WIDTH*6+:CHANNEL_DATA_WIDTH] = fifo_wr_data_6;
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assign fifo_wr_data_s[CHANNEL_DATA_WIDTH*7+:CHANNEL_DATA_WIDTH] = fifo_wr_data_7;
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assign fifo_wr_data_s[CHANNEL_DATA_WIDTH*8+:CHANNEL_DATA_WIDTH] = fifo_wr_data_8;
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assign fifo_wr_data_s[CHANNEL_DATA_WIDTH*9+:CHANNEL_DATA_WIDTH] = fifo_wr_data_9;
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assign fifo_wr_data_s[CHANNEL_DATA_WIDTH*10+:CHANNEL_DATA_WIDTH] = fifo_wr_data_10;
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assign fifo_wr_data_s[CHANNEL_DATA_WIDTH*11+:CHANNEL_DATA_WIDTH] = fifo_wr_data_11;
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assign fifo_wr_data_s[CHANNEL_DATA_WIDTH*12+:CHANNEL_DATA_WIDTH] = fifo_wr_data_12;
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assign fifo_wr_data_s[CHANNEL_DATA_WIDTH*13+:CHANNEL_DATA_WIDTH] = fifo_wr_data_13;
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assign fifo_wr_data_s[CHANNEL_DATA_WIDTH*14+:CHANNEL_DATA_WIDTH] = fifo_wr_data_14;
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assign fifo_wr_data_s[CHANNEL_DATA_WIDTH*15+:CHANNEL_DATA_WIDTH] = fifo_wr_data_15;
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assign fifo_wr_data_s[CHANNEL_DATA_WIDTH*16+:CHANNEL_DATA_WIDTH] = fifo_wr_data_16;
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assign fifo_wr_data_s[CHANNEL_DATA_WIDTH*17+:CHANNEL_DATA_WIDTH] = fifo_wr_data_17;
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assign fifo_wr_data_s[CHANNEL_DATA_WIDTH*18+:CHANNEL_DATA_WIDTH] = fifo_wr_data_18;
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assign fifo_wr_data_s[CHANNEL_DATA_WIDTH*19+:CHANNEL_DATA_WIDTH] = fifo_wr_data_19;
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assign fifo_wr_data_s[CHANNEL_DATA_WIDTH*20+:CHANNEL_DATA_WIDTH] = fifo_wr_data_20;
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assign fifo_wr_data_s[CHANNEL_DATA_WIDTH*21+:CHANNEL_DATA_WIDTH] = fifo_wr_data_21;
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assign fifo_wr_data_s[CHANNEL_DATA_WIDTH*22+:CHANNEL_DATA_WIDTH] = fifo_wr_data_22;
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assign fifo_wr_data_s[CHANNEL_DATA_WIDTH*23+:CHANNEL_DATA_WIDTH] = fifo_wr_data_23;
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assign fifo_wr_data_s[CHANNEL_DATA_WIDTH*24+:CHANNEL_DATA_WIDTH] = fifo_wr_data_24;
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assign fifo_wr_data_s[CHANNEL_DATA_WIDTH*25+:CHANNEL_DATA_WIDTH] = fifo_wr_data_25;
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assign fifo_wr_data_s[CHANNEL_DATA_WIDTH*26+:CHANNEL_DATA_WIDTH] = fifo_wr_data_26;
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assign fifo_wr_data_s[CHANNEL_DATA_WIDTH*27+:CHANNEL_DATA_WIDTH] = fifo_wr_data_27;
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assign fifo_wr_data_s[CHANNEL_DATA_WIDTH*28+:CHANNEL_DATA_WIDTH] = fifo_wr_data_28;
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assign fifo_wr_data_s[CHANNEL_DATA_WIDTH*29+:CHANNEL_DATA_WIDTH] = fifo_wr_data_29;
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assign fifo_wr_data_s[CHANNEL_DATA_WIDTH*30+:CHANNEL_DATA_WIDTH] = fifo_wr_data_30;
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assign fifo_wr_data_s[CHANNEL_DATA_WIDTH*31+:CHANNEL_DATA_WIDTH] = fifo_wr_data_31;
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assign fifo_wr_data_s[CHANNEL_DATA_WIDTH*32+:CHANNEL_DATA_WIDTH] = fifo_wr_data_32;
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assign fifo_wr_data_s[CHANNEL_DATA_WIDTH*33+:CHANNEL_DATA_WIDTH] = fifo_wr_data_33;
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assign fifo_wr_data_s[CHANNEL_DATA_WIDTH*34+:CHANNEL_DATA_WIDTH] = fifo_wr_data_34;
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assign fifo_wr_data_s[CHANNEL_DATA_WIDTH*35+:CHANNEL_DATA_WIDTH] = fifo_wr_data_35;
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assign fifo_wr_data_s[CHANNEL_DATA_WIDTH*36+:CHANNEL_DATA_WIDTH] = fifo_wr_data_36;
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assign fifo_wr_data_s[CHANNEL_DATA_WIDTH*37+:CHANNEL_DATA_WIDTH] = fifo_wr_data_37;
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assign fifo_wr_data_s[CHANNEL_DATA_WIDTH*38+:CHANNEL_DATA_WIDTH] = fifo_wr_data_38;
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assign fifo_wr_data_s[CHANNEL_DATA_WIDTH*39+:CHANNEL_DATA_WIDTH] = fifo_wr_data_39;
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assign fifo_wr_data_s[CHANNEL_DATA_WIDTH*40+:CHANNEL_DATA_WIDTH] = fifo_wr_data_40;
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assign fifo_wr_data_s[CHANNEL_DATA_WIDTH*41+:CHANNEL_DATA_WIDTH] = fifo_wr_data_41;
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assign fifo_wr_data_s[CHANNEL_DATA_WIDTH*42+:CHANNEL_DATA_WIDTH] = fifo_wr_data_42;
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assign fifo_wr_data_s[CHANNEL_DATA_WIDTH*43+:CHANNEL_DATA_WIDTH] = fifo_wr_data_43;
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assign fifo_wr_data_s[CHANNEL_DATA_WIDTH*44+:CHANNEL_DATA_WIDTH] = fifo_wr_data_44;
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assign fifo_wr_data_s[CHANNEL_DATA_WIDTH*45+:CHANNEL_DATA_WIDTH] = fifo_wr_data_45;
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assign fifo_wr_data_s[CHANNEL_DATA_WIDTH*46+:CHANNEL_DATA_WIDTH] = fifo_wr_data_46;
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assign fifo_wr_data_s[CHANNEL_DATA_WIDTH*47+:CHANNEL_DATA_WIDTH] = fifo_wr_data_47;
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assign fifo_wr_data_s[CHANNEL_DATA_WIDTH*48+:CHANNEL_DATA_WIDTH] = fifo_wr_data_48;
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assign fifo_wr_data_s[CHANNEL_DATA_WIDTH*49+:CHANNEL_DATA_WIDTH] = fifo_wr_data_49;
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assign fifo_wr_data_s[CHANNEL_DATA_WIDTH*50+:CHANNEL_DATA_WIDTH] = fifo_wr_data_50;
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assign fifo_wr_data_s[CHANNEL_DATA_WIDTH*51+:CHANNEL_DATA_WIDTH] = fifo_wr_data_51;
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assign fifo_wr_data_s[CHANNEL_DATA_WIDTH*52+:CHANNEL_DATA_WIDTH] = fifo_wr_data_52;
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assign fifo_wr_data_s[CHANNEL_DATA_WIDTH*53+:CHANNEL_DATA_WIDTH] = fifo_wr_data_53;
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assign fifo_wr_data_s[CHANNEL_DATA_WIDTH*54+:CHANNEL_DATA_WIDTH] = fifo_wr_data_54;
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assign fifo_wr_data_s[CHANNEL_DATA_WIDTH*55+:CHANNEL_DATA_WIDTH] = fifo_wr_data_55;
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assign fifo_wr_data_s[CHANNEL_DATA_WIDTH*56+:CHANNEL_DATA_WIDTH] = fifo_wr_data_56;
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assign fifo_wr_data_s[CHANNEL_DATA_WIDTH*57+:CHANNEL_DATA_WIDTH] = fifo_wr_data_57;
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assign fifo_wr_data_s[CHANNEL_DATA_WIDTH*58+:CHANNEL_DATA_WIDTH] = fifo_wr_data_58;
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assign fifo_wr_data_s[CHANNEL_DATA_WIDTH*59+:CHANNEL_DATA_WIDTH] = fifo_wr_data_59;
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assign fifo_wr_data_s[CHANNEL_DATA_WIDTH*60+:CHANNEL_DATA_WIDTH] = fifo_wr_data_60;
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assign fifo_wr_data_s[CHANNEL_DATA_WIDTH*61+:CHANNEL_DATA_WIDTH] = fifo_wr_data_61;
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assign fifo_wr_data_s[CHANNEL_DATA_WIDTH*62+:CHANNEL_DATA_WIDTH] = fifo_wr_data_62;
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assign fifo_wr_data_s[CHANNEL_DATA_WIDTH*63+:CHANNEL_DATA_WIDTH] = fifo_wr_data_63;
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assign fifo_wr_data = fifo_wr_data_s[0+:REAL_NUM_OF_CHANNELS*CHANNEL_DATA_WIDTH];
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util_cpack2_impl #(
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.NUM_OF_CHANNELS (REAL_NUM_OF_CHANNELS),
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.SAMPLE_DATA_WIDTH (SAMPLE_DATA_WIDTH),
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.SAMPLES_PER_CHANNEL (SAMPLES_PER_CHANNEL)
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) i_cpack (
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.clk (clk),
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.reset (reset),
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.enable (enable),
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.fifo_wr_en ({REAL_NUM_OF_CHANNELS{fifo_wr_en}}),
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.fifo_wr_overflow (fifo_wr_overflow),
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.fifo_wr_data (fifo_wr_data),
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.packed_fifo_wr_en (packed_fifo_wr_en),
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.packed_fifo_wr_overflow (packed_fifo_wr_overflow),
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.packed_fifo_wr_data (packed_fifo_wr_data),
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.packed_fifo_wr_sync (packed_fifo_wr_sync));
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endmodule
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