?? auto_lfsr_param.v
字號:
module Auto_LFSR_Param (Y, Clock, Reset);
parameter Length = 8;
parameter initial_state = 8'b1001_0001; // Arbitrary initial state
parameter [1: Length] Tap_Coefficient = 8'b1100_1111;
input Clock, Reset;
output [1: Length] Y;
reg [1: Length] Y;
integer k;
always @ (posedge Clock)
if (!Reset) Y <= initial_state;
else begin
for (k = 2; k <= Length; k = k + 1)
Y[k] <= Tap_Coefficient[Length-k+1] ? Y[k-1] ^ Y[Length] : Y[k-1];
Y[1] <= Y[Length];
end
endmodule
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