HDLbits——Lfsr32

//Build a 32-bit Galois LFSR with taps at bit positions 32, 22, 2, and 1.
草图
HDLbits——Lfsr32
verilog描述


module top_module(
    input clk,
    input reset,    // Active-high synchronous reset to 32‘h1
    output reg [31:0] q
); 

always @(posedge clk) begin
    if(reset)begin
        q <= 32‘h1;
    end 
    else begin
        q <= {1‘b0^q[0],q[31:23],q[22]^q[0],q[21:3],q[2]^q[0],q[1]^q[0]};
    end   
end
endmodule

vivado下的RTL原理图:
HDLbits——Lfsr32
quartus下的RTL原理图:采用大量选择器
HDLbits——Lfsr32

HDLbits——Lfsr32

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