The following code simulates just fine in iverilog: /* lfsr. I implemented it exactly how it was mentioned in Ciletti book: This pseudo-sequence is mainly used for communication purposes such as cryptographic, encoder and decoder application in coded format to ensure network security. #100 $monitor("This is the cllk %b %b %b",tp_coeff,Y,clk) Abstract- This article is mainly designed for generating pseudo-random sequence using the Linear Feedback Shift Register (LFSR). Parametertp_coeff=8'b1111_0011 ĪUTO_LFSR dut(.clk(clk).rst(rst).Y(Y)) Verilog Shift Register Basic Concepts/Characteristics In its simplest form, a shift register consists of a number of storage elements (e.g. Module AUTO_LFSR #(parameter Length=8, initial_state=8'b1000_0001, parametertp_coeff=8'b1111_0011)įor(cell_ptr=2 cell_ptr<=Length cell_ptr=cell_ptr+1) shift register whose random state at the output depends on the feedback polynomial, by using FPGA and Verilog HDL language. I tried implementing LFSR using Verilog, but I am unable to get the output properly, please check the verilog code for both module and test bench below:- //LFSR.v
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