**这是本文档旧的修订版!**

38译码器

module Decode38 
(
input Enable,
input [2:0] A_in,
output reg [7:0] Y_out
);
 
always@(A_in or Enable) begin
    if (Enable)
		case (A_in)
			3'b000: Y_out = 8'b11111110;
			3'b001: Y_out = 8'b11111101;
			3'b010: Y_out = 8'b11111011;
			3'b011: Y_out = 8'b11110111;
			3'b100: Y_out = 8'b11101111;
			3'b101: Y_out = 8'b11011111;
			3'b110: Y_out = 8'b10111111;
			3'b111: Y_out = 8'b01111111;
			default:Y_out = 8'b11111111;
		endcase
    else Y_out = 8'b11111111;
end
 
endmodule