📄 data_read_24bit.v
字号:
`timescale 1ns/100ps
module data_read_24bit (
clk,
clk90,
reset90_r,
reset270_r,
ddr_dq_in,
read_valid_data_1,
fifo_00_wr_en,
fifo_10_wr_en,
fifo_20_wr_en,
fifo_01_wr_en,
fifo_11_wr_en,
fifo_21_wr_en,
fifo_00_wr_addr,
fifo_01_wr_addr,
fifo_10_wr_addr,
fifo_11_wr_addr,
fifo_20_wr_addr,
fifo_21_wr_addr,
dqs0_delayed_col1,
dqs1_delayed_col1,
dqs2_delayed_col1,
dqs0_delayed_col0_n,
dqs1_delayed_col0_n,
dqs2_delayed_col0_n,
user_output_data,
fifo_00_rd_addr,
fifo_01_rd_addr,
fifo_10_rd_addr,
fifo_11_rd_addr,
fifo_20_rd_addr,
fifo_21_rd_addr
);
input clk;
input clk90;
input reset90_r;
input reset270_r;
input [23:0]ddr_dq_in;
input read_valid_data_1;
input fifo_00_wr_en;
input fifo_10_wr_en;
input fifo_20_wr_en;
input fifo_01_wr_en;
input fifo_11_wr_en;
input fifo_21_wr_en;
input [3:0]fifo_00_wr_addr;
input [3:0]fifo_01_wr_addr;
input [3:0]fifo_10_wr_addr;
input [3:0]fifo_11_wr_addr;
input [3:0]fifo_20_wr_addr;
input [3:0]fifo_21_wr_addr;
input dqs0_delayed_col1;
input dqs1_delayed_col1;
input dqs2_delayed_col1;
input dqs0_delayed_col0_n;
input dqs1_delayed_col0_n;
input dqs2_delayed_col0_n;
output [47:0]user_output_data;
input [3:0]fifo_00_rd_addr;
input [3:0]fifo_01_rd_addr;
input [3:0]fifo_10_rd_addr;
input [3:0]fifo_11_rd_addr;
input [3:0]fifo_20_rd_addr;
input [3:0]fifo_21_rd_addr;
wire [7:0]fifo_00_data_out;
wire [7:0]fifo_01_data_out;
wire [7:0]fifo_10_data_out;
wire [7:0]fifo_11_data_out;
wire [7:0]fifo_20_data_out;
wire [7:0]fifo_21_data_out;
reg [47:0]first_sdr_data;
assign user_output_data = first_sdr_data;
always@(posedge clk90)
begin
if (reset90_r == 1'b1)
first_sdr_data <= 64'd0;
else
begin
if (read_valid_data_1 == 1'b1)
first_sdr_data <= { fifo_20_data_out,fifo_10_data_out,
fifo_00_data_out,fifo_21_data_out,
fifo_11_data_out,fifo_01_data_out};
else
first_sdr_data <= first_sdr_data;
end
end
//*************************************************************************************************************************
// Dual Port RAM 16x1 instantiations (fifo0 // Positive edge, fifo1 -- Trailing edge)
//*************************************************************************************************************************
//- Byte0 instantiation
RAM16X1D fifo0_bit0
( .DPO(fifo_00_data_out[0]),
.SPO( ),
.A0(fifo_00_wr_addr[0]),
.A1(fifo_00_wr_addr[1]),
.A2(fifo_00_wr_addr[2]),
.A3(fifo_00_wr_addr[3]),
.D(ddr_dq_in[0]),
.DPRA0(fifo_00_rd_addr[0]),
.DPRA1(fifo_00_rd_addr[1]),
.DPRA2(fifo_00_rd_addr[2]),
.DPRA3(fifo_00_rd_addr[3]),
.WCLK(dqs0_delayed_col1),
.WE(fifo_00_wr_en)
);
RAM16X1D fifo1_bit0
( .DPO(fifo_01_data_out[0]),
.SPO( ),
.A0(fifo_01_wr_addr[0]),
.A1(fifo_01_wr_addr[1]),
.A2(fifo_01_wr_addr[2]),
.A3(fifo_01_wr_addr[3]),
.D(ddr_dq_in[0]),
.DPRA0(fifo_01_rd_addr[0]),
.DPRA1(fifo_01_rd_addr[1]),
.DPRA2(fifo_01_rd_addr[2]),
.DPRA3(fifo_01_rd_addr[3]),
.WCLK(dqs0_delayed_col0_n),
.WE(fifo_01_wr_en)
);
RAM16X1D fifo0_bit1
( .DPO(fifo_00_data_out[1]),
.SPO( ),
.A0(fifo_00_wr_addr[0]),
.A1(fifo_00_wr_addr[1]),
.A2(fifo_00_wr_addr[2]),
.A3(fifo_00_wr_addr[3]),
.D(ddr_dq_in[1]),
.DPRA0(fifo_00_rd_addr[0]),
.DPRA1(fifo_00_rd_addr[1]),
.DPRA2(fifo_00_rd_addr[2]),
.DPRA3(fifo_00_rd_addr[3]),
.WCLK(dqs0_delayed_col1),
.WE(fifo_00_wr_en)
);
RAM16X1D fifo1_bit1
( .DPO(fifo_01_data_out[1]),
.SPO( ),
.A0(fifo_01_wr_addr[0]),
.A1(fifo_01_wr_addr[1]),
.A2(fifo_01_wr_addr[2]),
.A3(fifo_01_wr_addr[3]),
.D(ddr_dq_in[1]),
.DPRA0(fifo_01_rd_addr[0]),
.DPRA1(fifo_01_rd_addr[1]),
.DPRA2(fifo_01_rd_addr[2]),
.DPRA3(fifo_01_rd_addr[3]),
.WCLK(dqs0_delayed_col0_n),
.WE(fifo_01_wr_en)
);
RAM16X1D fifo0_bit2
( .DPO(fifo_00_data_out[2]),
.SPO( ),
.A0(fifo_00_wr_addr[0]),
.A1(fifo_00_wr_addr[1]),
.A2(fifo_00_wr_addr[2]),
.A3(fifo_00_wr_addr[3]),
.D(ddr_dq_in[2]),
.DPRA0(fifo_00_rd_addr[0]),
.DPRA1(fifo_00_rd_addr[1]),
.DPRA2(fifo_00_rd_addr[2]),
.DPRA3(fifo_00_rd_addr[3]),
.WCLK(dqs0_delayed_col1),
.WE(fifo_00_wr_en)
);
RAM16X1D fifo1_bit2
( .DPO(fifo_01_data_out[2]),
.SPO( ),
.A0(fifo_01_wr_addr[0]),
.A1(fifo_01_wr_addr[1]),
.A2(fifo_01_wr_addr[2]),
.A3(fifo_01_wr_addr[3]),
.D(ddr_dq_in[2]),
.DPRA0(fifo_01_rd_addr[0]),
.DPRA1(fifo_01_rd_addr[1]),
.DPRA2(fifo_01_rd_addr[2]),
.DPRA3(fifo_01_rd_addr[3]),
.WCLK(dqs0_delayed_col0_n),
.WE(fifo_01_wr_en)
);
RAM16X1D fifo0_bit3
( .DPO(fifo_00_data_out[3]),
.SPO( ),
.A0(fifo_00_wr_addr[0]),
.A1(fifo_00_wr_addr[1]),
.A2(fifo_00_wr_addr[2]),
.A3(fifo_00_wr_addr[3]),
.D(ddr_dq_in[3]),
.DPRA0(fifo_00_rd_addr[0]),
.DPRA1(fifo_00_rd_addr[1]),
.DPRA2(fifo_00_rd_addr[2]),
.DPRA3(fifo_00_rd_addr[3]),
.WCLK(dqs0_delayed_col1),
.WE(fifo_00_wr_en)
);
RAM16X1D fifo1_bit3
( .DPO(fifo_01_data_out[3]),
.SPO( ),
.A0(fifo_01_wr_addr[0]),
.A1(fifo_01_wr_addr[1]),
.A2(fifo_01_wr_addr[2]),
.A3(fifo_01_wr_addr[3]),
.D(ddr_dq_in[3]),
.DPRA0(fifo_01_rd_addr[0]),
.DPRA1(fifo_01_rd_addr[1]),
.DPRA2(fifo_01_rd_addr[2]),
.DPRA3(fifo_01_rd_addr[3]),
.WCLK(dqs0_delayed_col0_n),
.WE(fifo_01_wr_en)
);
RAM16X1D fifo0_bit4
( .DPO(fifo_00_data_out[4]),
.SPO( ),
.A0(fifo_00_wr_addr[0]),
.A1(fifo_00_wr_addr[1]),
.A2(fifo_00_wr_addr[2]),
.A3(fifo_00_wr_addr[3]),
.D(ddr_dq_in[4]),
.DPRA0(fifo_00_rd_addr[0]),
.DPRA1(fifo_00_rd_addr[1]),
.DPRA2(fifo_00_rd_addr[2]),
.DPRA3(fifo_00_rd_addr[3]),
.WCLK(dqs0_delayed_col1),
.WE(fifo_00_wr_en)
);
RAM16X1D fifo1_bit4
( .DPO(fifo_01_data_out[4]),
.SPO( ),
.A0(fifo_01_wr_addr[0]),
.A1(fifo_01_wr_addr[1]),
.A2(fifo_01_wr_addr[2]),
.A3(fifo_01_wr_addr[3]),
.D(ddr_dq_in[4]),
.DPRA0(fifo_01_rd_addr[0]),
.DPRA1(fifo_01_rd_addr[1]),
.DPRA2(fifo_01_rd_addr[2]),
.DPRA3(fifo_01_rd_addr[3]),
.WCLK(dqs0_delayed_col0_n),
.WE(fifo_01_wr_en)
);
RAM16X1D fifo0_bit5
( .DPO(fifo_00_data_out[5]),
.SPO( ),
.A0(fifo_00_wr_addr[0]),
.A1(fifo_00_wr_addr[1]),
.A2(fifo_00_wr_addr[2]),
.A3(fifo_00_wr_addr[3]),
.D(ddr_dq_in[5]),
.DPRA0(fifo_00_rd_addr[0]),
.DPRA1(fifo_00_rd_addr[1]),
.DPRA2(fifo_00_rd_addr[2]),
.DPRA3(fifo_00_rd_addr[3]),
.WCLK(dqs0_delayed_col1),
.WE(fifo_00_wr_en)
);
RAM16X1D fifo1_bit5
( .DPO(fifo_01_data_out[5]),
.SPO( ),
.A0(fifo_01_wr_addr[0]),
.A1(fifo_01_wr_addr[1]),
.A2(fifo_01_wr_addr[2]),
.A3(fifo_01_wr_addr[3]),
.D(ddr_dq_in[5]),
.DPRA0(fifo_01_rd_addr[0]),
.DPRA1(fifo_01_rd_addr[1]),
.DPRA2(fifo_01_rd_addr[2]),
.DPRA3(fifo_01_rd_addr[3]),
.WCLK(dqs0_delayed_col0_n),
.WE(fifo_01_wr_en)
);
RAM16X1D fifo0_bit6
( .DPO(fifo_00_data_out[6]),
.SPO( ),
.A0(fifo_00_wr_addr[0]),
.A1(fifo_00_wr_addr[1]),
.A2(fifo_00_wr_addr[2]),
.A3(fifo_00_wr_addr[3]),
.D(ddr_dq_in[6]),
.DPRA0(fifo_00_rd_addr[0]),
.DPRA1(fifo_00_rd_addr[1]),
.DPRA2(fifo_00_rd_addr[2]),
.DPRA3(fifo_00_rd_addr[3]),
.WCLK(dqs0_delayed_col1),
.WE(fifo_00_wr_en)
);
RAM16X1D fifo1_bit6
( .DPO(fifo_01_data_out[6]),
.SPO( ),
.A0(fifo_01_wr_addr[0]),
.A1(fifo_01_wr_addr[1]),
.A2(fifo_01_wr_addr[2]),
.A3(fifo_01_wr_addr[3]),
.D(ddr_dq_in[6]),
.DPRA0(fifo_01_rd_addr[0]),
.DPRA1(fifo_01_rd_addr[1]),
.DPRA2(fifo_01_rd_addr[2]),
.DPRA3(fifo_01_rd_addr[3]),
.WCLK(dqs0_delayed_col0_n),
.WE(fifo_01_wr_en)
);
RAM16X1D fifo0_bit7
( .DPO(fifo_00_data_out[7]),
.SPO( ),
.A0(fifo_00_wr_addr[0]),
.A1(fifo_00_wr_addr[1]),
.A2(fifo_00_wr_addr[2]),
.A3(fifo_00_wr_addr[3]),
.D(ddr_dq_in[7]),
.DPRA0(fifo_00_rd_addr[0]),
.DPRA1(fifo_00_rd_addr[1]),
.DPRA2(fifo_00_rd_addr[2]),
.DPRA3(fifo_00_rd_addr[3]),
.WCLK(dqs0_delayed_col1),
.WE(fifo_00_wr_en)
);
RAM16X1D fifo1_bit7
( .DPO(fifo_01_data_out[7]),
.SPO( ),
.A0(fifo_01_wr_addr[0]),
.A1(fifo_01_wr_addr[1]),
.A2(fifo_01_wr_addr[2]),
.A3(fifo_01_wr_addr[3]),
.D(ddr_dq_in[7]),
.DPRA0(fifo_01_rd_addr[0]),
.DPRA1(fifo_01_rd_addr[1]),
.DPRA2(fifo_01_rd_addr[2]),
.DPRA3(fifo_01_rd_addr[3]),
.WCLK(dqs0_delayed_col0_n),
.WE(fifo_01_wr_en)
);
// Byte1 Fifo instantiation
RAM16X1D fifo0_bit8
( .DPO(fifo_10_data_out[0]),
.SPO( ),
.A0(fifo_10_wr_addr[0]),
.A1(fifo_10_wr_addr[1]),
.A2(fifo_10_wr_addr[2]),
.A3(fifo_10_wr_addr[3]),
.D(ddr_dq_in[8]),
.DPRA0(fifo_10_rd_addr[0]),
.DPRA1(fifo_10_rd_addr[1]),
.DPRA2(fifo_10_rd_addr[2]),
.DPRA3(fifo_10_rd_addr[3]),
.WCLK(dqs1_delayed_col1),
.WE(fifo_10_wr_en)
);
RAM16X1D fifo1_bit8
( .DPO(fifo_11_data_out[0]),
.SPO( ),
.A0(fifo_11_wr_addr[0]),
.A1(fifo_11_wr_addr[1]),
.A2(fifo_11_wr_addr[2]),
.A3(fifo_11_wr_addr[3]),
.D(ddr_dq_in[8]),
.DPRA0(fifo_11_rd_addr[0]),
.DPRA1(fifo_11_rd_addr[1]),
.DPRA2(fifo_11_rd_addr[2]),
.DPRA3(fifo_11_rd_addr[3]),
.WCLK(dqs1_delayed_col0_n),
.WE(fifo_11_wr_en)
);
RAM16X1D fifo0_bit9
( .DPO(fifo_10_data_out[1]),
.SPO( ),
.A0(fifo_10_wr_addr[0]),
.A1(fifo_10_wr_addr[1]),
.A2(fifo_10_wr_addr[2]),
.A3(fifo_10_wr_addr[3]),
.D(ddr_dq_in[9]),
.DPRA0(fifo_10_rd_addr[0]),
.DPRA1(fifo_10_rd_addr[1]),
.DPRA2(fifo_10_rd_addr[2]),
.DPRA3(fifo_10_rd_addr[3]),
.WCLK(dqs1_delayed_col1),
.WE(fifo_10_wr_en)
);
RAM16X1D fifo1_bit9
( .DPO(fifo_11_data_out[1]),
.SPO( ),
.A0(fifo_11_wr_addr[0]),
.A1(fifo_11_wr_addr[1]),
.A2(fifo_11_wr_addr[2]),
.A3(fifo_11_wr_addr[3]),
.D(ddr_dq_in[9]),
.DPRA0(fifo_11_rd_addr[0]),
.DPRA1(fifo_11_rd_addr[1]),
.DPRA2(fifo_11_rd_addr[2]),
.DPRA3(fifo_11_rd_addr[3]),
.WCLK(dqs1_delayed_col0_n),
.WE(fifo_11_wr_en)
);
RAM16X1D fifo0_bit10
( .DPO(fifo_10_data_out[2]),
.SPO( ),
.A0(fifo_10_wr_addr[0]),
.A1(fifo_10_wr_addr[1]),
.A2(fifo_10_wr_addr[2]),
.A3(fifo_10_wr_addr[3]),
.D(ddr_dq_in[10]),
.DPRA0(fifo_10_rd_addr[0]),
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