32-bit LFSR
1.Decade counter2.Four-bit binary counter3.Decade counter again4.Slow decade counter5.Counter 1-126.Counter 10007.4-digit decimal counter8.12-hour clock9.Hdlbits博文分布10.4-bit shift register11.Left/right rotator12.Left/right arithmetic shift by 1 or 813.5-bit LFSR14.3-bit LFSR
15.32-bit LFSR
16.Shift register17.Shift register(2)18.3-input LUT19.Rule 9020.Rule 11021.Conway's Game of Life 16x1622.Simple FSM1(asynchronous reset)23.Simple FSM1(synchronous reset)24.Simple FSM2(asynchronous reset)25.Simple FSM2(synchronous reset)26.Simple state transition 327.Simple one-hot state transition 328.Simple FSM 3（asynchronous reset）29.Simple FSM 3（synchronous reset）30.Design a Moore FSM31.Lemmings 132.Lemmings 233.Lemmings 334.Lemmings 435.One-hot FSM36.PS/2 packet parser37.PS/2 packet parser and datapath38.Serial receiver39.Serial receiver and datapath40.Serial receiver with parity checking41.Sequence recognition42.Q8:Design a Mealy FSM43.Q5a:Serial two's complementer(Moore FSM)44.Q5b:Serial two's complementer(Moore FSM)45.Q3a:FSM46.Q3b:FSM47.Q3c:FSM logic48.Q6b:FSM next-state logic49.Q6c:FSM next-state logic50.Q6:FSM51.Q2a：FSM52.Q2:One-hot FSM equations53.Q2a: FSM54.Q2b：Another FSM55.Counter with period 100056.4-bit shift register and down counter57.FSM:Sequence 1101 recognizer58.FSM:Enable shift register59.FSM:The complete FSM60.The complete timer61.FSM:One-hot logic equations62.UARTSee Lfsr5 for explanations.
Build a 32-bit Galois LFSR with taps at bit positions 32, 22, 2, and 1.
module top_module(
input clk,
input reset, // Active-high synchronous reset to 32'h1
output [31:0] q
);
reg [31:0] q1;
always@(posedge clk) begin
if(reset) q1 <= 32'h1;
else begin
q1 <= {q1[0],q1[31:23],q1[0]^q1[22],q1[21:3],q1[0]^q1[2],q1[0]^q1[1]};
end
end
assign q = q1;
endmodule
合集:
Verilog学习
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