308 lines
9.6 KiB
Verilog
308 lines
9.6 KiB
Verilog
// ***************************************************************************
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// ***************************************************************************
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// Copyright 2011(c) Analog Devices, Inc.
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//
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// All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without modification,
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// are permitted provided that the following conditions are met:
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// - Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// - Redistributions in binary form must reproduce the above copyright
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// notice, this list of conditions and the following disclaimer in
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// the documentation and/or other materials provided with the
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// distribution.
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// - Neither the name of Analog Devices, Inc. nor the names of its
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// contributors may be used to endorse or promote products derived
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// from this software without specific prior written permission.
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// - The use of this software may or may not infringe the patent rights
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// of one or more patent holders. This license does not release you
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// from the requirement that you obtain separate licenses from these
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// patent holders to use this software.
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// - Use of the software either in source or binary form, must be run
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// on or directly connected to an Analog Devices Inc. component.
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//
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// THIS SOFTWARE IS PROVIDED BY ANALOG DEVICES "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
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// INCLUDING, BUT NOT LIMITED TO, NON-INFRINGEMENT, MERCHANTABILITY AND FITNESS FOR A
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// PARTICULAR PURPOSE ARE DISCLAIMED.
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//
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// IN NO EVENT SHALL ANALOG DEVICES BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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// EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, INTELLECTUAL PROPERTY
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// RIGHTS, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
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// BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
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// THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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// ***************************************************************************
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// ***************************************************************************
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// ***************************************************************************
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// ***************************************************************************
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`timescale 1ns/100ps
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module axi_ad9265 #(
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parameter ID = 0,
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parameter DEVICE_TYPE = 0,
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parameter ADC_DATAPATH_DISABLE = 0,
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parameter IO_DELAY_GROUP = "adc_if_delay_group") (
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// adc interface (clk, data, over-range)
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input adc_clk_in_p,
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input adc_clk_in_n,
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input [ 7:0] adc_data_in_p,
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input [ 7:0] adc_data_in_n,
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input adc_or_in_p,
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input adc_or_in_n,
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// delay interface
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input delay_clk,
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// dma interface
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output adc_clk,
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output adc_rst,
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output adc_valid,
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output adc_enable,
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output [15:0] adc_data,
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input adc_dovf,
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input adc_dunf,
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// axi interface
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input s_axi_aclk,
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input s_axi_aresetn,
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input s_axi_awvalid,
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input [31:0] s_axi_awaddr,
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output s_axi_awready,
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input s_axi_wvalid,
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input [31:0] s_axi_wdata,
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input [ 3:0] s_axi_wstrb,
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output s_axi_wready,
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output s_axi_bvalid,
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output [ 1:0] s_axi_bresp,
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input s_axi_bready,
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input s_axi_arvalid,
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input [31:0] s_axi_araddr,
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output s_axi_arready,
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output s_axi_rvalid,
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output [ 1:0] s_axi_rresp,
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output [31:0] s_axi_rdata,
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input s_axi_rready,
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input [ 2:0] s_axi_awprot,
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input [ 2:0] s_axi_arprot);
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// internal registers
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reg up_status_pn_err = 'd0;
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reg up_status_pn_oos = 'd0;
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reg up_status_or = 'd0;
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reg [31:0] up_rdata = 'd0;
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reg up_wack = 'd0;
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reg up_rack = 'd0;
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// internal clocks & resets
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wire up_rstn;
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wire up_clk;
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wire delay_rst;
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// internal signals
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wire [15:0] adc_data_s;
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wire adc_or_s;
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wire up_status_pn_err_s;
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wire up_status_pn_oos_s;
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wire up_status_or_s;
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wire adc_status_s;
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wire [ 8:0] up_dld_s;
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wire [44:0] up_dwdata_s;
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wire [44:0] up_drdata_s;
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wire delay_locked_s;
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wire [13:0] up_raddr_s;
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wire [31:0] up_rdata_s[0:2];
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wire up_rack_s[0:2];
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wire up_wack_s[0:2];
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wire up_wreq_s;
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wire [13:0] up_waddr_s;
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wire [31:0] up_wdata_s;
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wire up_rreq_s;
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// signal name changes
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assign up_clk = s_axi_aclk;
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assign up_rstn = s_axi_aresetn;
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// processor read interface
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always @(negedge up_rstn or posedge up_clk) begin
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if (up_rstn == 0) begin
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up_status_pn_err <= 'd0;
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up_status_pn_oos <= 'd0;
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up_status_or <= 'd0;
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up_rdata <= 'd0;
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up_rack <= 'd0;
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up_wack <= 'd0;
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end else begin
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up_status_pn_err <= up_status_pn_err_s;
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up_status_pn_oos <= up_status_pn_oos_s;
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up_status_or <= up_status_or_s;
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up_rdata <= up_rdata_s[0] | up_rdata_s[1] | up_rdata_s[2];
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up_rack <= up_rack_s[0] | up_rack_s[1] | up_rack_s[2];
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up_wack <= up_wack_s[0] | up_wack_s[1] | up_wack_s[2];
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end
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end
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// channel
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axi_ad9265_channel #(
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.CHANNEL_ID(0),
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.DATAPATH_DISABLE (ADC_DATAPATH_DISABLE))
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i_channel (
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.adc_clk (adc_clk),
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.adc_rst (adc_rst),
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.adc_data (adc_data_s),
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.adc_or (adc_or_s),
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.adc_dcfilter_data_out (adc_data),
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.adc_enable (adc_enable),
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.adc_valid (adc_valid),
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.up_adc_pn_err (up_status_pn_err_s),
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.up_adc_pn_oos (up_status_pn_oos_s),
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.up_adc_or (up_status_or_s),
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.up_rstn (up_rstn),
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.up_clk (up_clk),
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.up_wreq (up_wreq_s),
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.up_waddr (up_waddr_s),
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.up_wdata (up_wdata_s),
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.up_wack (up_wack_s[0]),
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.up_rreq (up_rreq_s),
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.up_raddr (up_raddr_s),
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.up_rdata (up_rdata_s[0]),
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.up_rack (up_rack_s[0]));
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// main (device interface)
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axi_ad9265_if #(
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.DEVICE_TYPE (DEVICE_TYPE),
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.IO_DELAY_GROUP (IO_DELAY_GROUP))
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i_if (
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.adc_clk_in_p (adc_clk_in_p),
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.adc_clk_in_n (adc_clk_in_n),
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.adc_data_in_p (adc_data_in_p),
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.adc_data_in_n (adc_data_in_n),
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.adc_or_in_p (adc_or_in_p),
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.adc_or_in_n (adc_or_in_n),
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.adc_clk (adc_clk),
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.adc_data (adc_data_s),
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.adc_or (adc_or_s),
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.adc_status (adc_status_s),
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.up_clk (up_clk),
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.up_dld (up_dld_s),
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.up_dwdata (up_dwdata_s),
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.up_drdata (up_drdata_s),
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.delay_clk (delay_clk),
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.delay_rst (delay_rst),
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.delay_locked (delay_locked_s));
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// adc delay control
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up_delay_cntrl #(.DATA_WIDTH(9), .BASE_ADDRESS(6'h02)) i_delay_cntrl (
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.delay_clk (delay_clk),
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.delay_rst (delay_rst),
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.delay_locked (delay_locked_s),
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.up_dld (up_dld_s),
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.up_dwdata (up_dwdata_s),
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.up_drdata (up_drdata_s),
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.up_rstn (up_rstn),
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.up_clk (up_clk),
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.up_wreq (up_wreq_s),
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.up_waddr (up_waddr_s),
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.up_wdata (up_wdata_s),
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.up_wack (up_wack_s[2]),
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.up_rreq (up_rreq_s),
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.up_raddr (up_raddr_s),
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.up_rdata (up_rdata_s[2]),
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.up_rack (up_rack_s[2]));
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// common processor control
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up_adc_common #(.ID(ID)) i_up_adc_common (
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.mmcm_rst (),
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.adc_clk (adc_clk),
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.adc_rst (adc_rst),
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.adc_r1_mode (),
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.adc_ddr_edgesel (),
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.adc_pin_mode (),
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.adc_status (adc_status_s),
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.adc_sync_status (1'd0),
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.adc_status_ovf (adc_dovf),
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.adc_status_unf (adc_dunf),
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.adc_clk_ratio (32'd1),
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.adc_start_code (),
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.adc_sref_sync (),
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.adc_sync (),
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.up_adc_ce (),
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.up_status_pn_err (up_status_pn_err),
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.up_status_pn_oos (up_status_pn_oos),
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.up_status_or (up_status_or),
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.up_drp_sel (),
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.up_drp_wr (),
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.up_drp_addr (),
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.up_drp_wdata (),
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.up_drp_rdata (32'd0),
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.up_drp_ready (1'd0),
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.up_drp_locked (1'd1),
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.up_usr_chanmax_out (),
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.up_usr_chanmax_in (8'd0),
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.up_adc_gpio_in (32'd0),
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.up_adc_gpio_out (),
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.up_rstn (up_rstn),
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.up_clk (up_clk),
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.up_wreq (up_wreq_s),
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.up_waddr (up_waddr_s),
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.up_wdata (up_wdata_s),
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.up_wack (up_wack_s[1]),
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.up_rreq (up_rreq_s),
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.up_raddr (up_raddr_s),
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.up_rdata (up_rdata_s[1]),
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.up_rack (up_rack_s[1]));
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// up bus interface
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up_axi i_up_axi (
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.up_rstn (up_rstn),
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.up_clk (up_clk),
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.up_axi_awvalid (s_axi_awvalid),
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.up_axi_awaddr (s_axi_awaddr),
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.up_axi_awready (s_axi_awready),
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.up_axi_wvalid (s_axi_wvalid),
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.up_axi_wdata (s_axi_wdata),
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.up_axi_wstrb (s_axi_wstrb),
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.up_axi_wready (s_axi_wready),
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.up_axi_bvalid (s_axi_bvalid),
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.up_axi_bresp (s_axi_bresp),
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.up_axi_bready (s_axi_bready),
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.up_axi_arvalid (s_axi_arvalid),
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.up_axi_araddr (s_axi_araddr),
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.up_axi_arready (s_axi_arready),
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.up_axi_rvalid (s_axi_rvalid),
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.up_axi_rresp (s_axi_rresp),
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.up_axi_rdata (s_axi_rdata),
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.up_axi_rready (s_axi_rready),
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.up_wreq (up_wreq_s),
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.up_waddr (up_waddr_s),
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.up_wdata (up_wdata_s),
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.up_wack (up_wack),
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.up_rreq (up_rreq_s),
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.up_raddr (up_raddr_s),
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.up_rdata (up_rdata),
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.up_rack (up_rack));
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endmodule
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// ***************************************************************************
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// ***************************************************************************
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