?? adder3bit.v
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module Adder3Bit (First, Second, Carry_In,Sum_Out, Carry_Out); input [2:0] First, Second; input Carry_In; output [2:0] Sum_Out; output Carry_Out ; wire [1:0] Car_temp ; //通過例化1位加法形成3位加法器 //module Adder1Bit (A, B, Cin, Sum, Cout) ;Adder1Bit A1 (.A (First[0]), .B(Second[0]), .Cin (Carry_In),.Sum (Sum_Out[0]), .Cout(Car_temp[0]) );Adder1Bit A2 (.A(First[1]), .B(Second[1]), .Cin(Car_temp[0]),.Sum(Sum_Out [ 1 ]),.Cout(Car_temp[1]) ) ;Adder1Bit A3 (.A(First[2]),.B(Second[2]), .Cin(Car_temp[1]),.Sum( Sum_Out [2]), .Cout(Carry_Out)) ;endmodule?? 快捷鍵說明
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