Moore Model in Verilog in Sequential Circuits
Posted: Sat Nov 14, 2009 10:00 pm
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module Moore_mdl (x,AB,CLK,RST);
input x,CLK,RST;
output [1:0]AB;
reg [1:0] state;
parameter S0 = 2'b00, S1 = 2'b01, S2 = 2'b10, S3 = 2'b11;
always @ (posedge CLK or negedge RST)
if (~RST) state = S0; //Initialize to state S0
else
case (state)
S0: if (~x) state = S1;
S1: if (x) state = S2; else state = S3;
S2: if (~x) state = S3;
S3: if (~x) state = S0;
endcase
assign AB = state; //Output of flip-flops
endmodule