`timescale 1ns / 1ps

module uart_byte_rx_tb();

    reg Clk;
    reg Reset_n;
    reg uart_rx;
    wire Rx_Done;
    wire [7:0]Rx_Data;
    
    uart_byte_rx uart_byte_rx(
        .Clk(Clk),
        .Reset_n(Reset_n),
        .uart_rx(uart_rx),
        .Rx_Done(Rx_Done),
        .Rx_Data(Rx_Data)
    );
      
    
    initial Clk = 1;
    always #10 Clk= ~Clk;
    
    
    initial begin
        Reset_n = 0;
        uart_rx = 1;
        #201;
        Reset_n = 1;
        #200;

        //8'b0101_0101
        uart_rx = 0;  #(5208*20);   //起始位
        uart_rx = 1;  #(5208*20);   //bit0       
        uart_rx = 0;  #(5208*20);   //bit1
        uart_rx = 1;  #(5208*20);   //bit2
        uart_rx = 0;  #(5208*20);   //bit3
        uart_rx = 1;  #(5208*20);   //bit4   
        uart_rx = 0;  #(5208*20);   //bit5
        uart_rx = 1;  #(5208*20);   //bit6   
        uart_rx = 0;  #(5208*20);   //bit7
        uart_rx = 1;  #(5208*20);   //停止位
        #(5208*20*10);
        
        //8'b1010_1010
        uart_rx = 0;  #(5208*20);   //起始位
        uart_rx = 0;  #(5208*20);   //bit0       
        uart_rx = 1;  #(5208*20);   //bit1
        uart_rx = 0;  #(5208*20);   //bit2
        uart_rx = 1;  #(5208*20);   //bit3
        uart_rx = 0;  #(5208*20);   //bit4   
        uart_rx = 1;  #(5208*20);   //bit5
        uart_rx = 0;  #(5208*20);   //bit6   
        uart_rx = 1;  #(5208*20);   //bit7
        uart_rx = 1;  #(5208*20);   //停止位
        #(5208*20*10);       
        
         //8'b1111_0000
        uart_rx = 0;  #(5208*20);   //起始位
        uart_rx = 0;  #(5208*20);   //bit0       
        uart_rx = 0;  #(5208*20);   //bit1
        uart_rx = 0;  #(5208*20);   //bit2
        uart_rx = 0;  #(5208*20);   //bit3
        uart_rx = 1;  #(5208*20);   //bit4   
        uart_rx = 1;  #(5208*20);   //bit5
        uart_rx = 1;  #(5208*20);   //bit6   
        uart_rx = 1;  #(5208*20);   //bit7
        uart_rx = 1;  #(5208*20);   //停止位
        #(5208*20*10);   
        
         //8'b0000_1111
        uart_rx = 0;  #(5208*20);   //起始位
        uart_rx = 1;  #(5208*20);   //bit0       
        uart_rx = 1;  #(5208*20);   //bit1
        uart_rx = 1;  #(5208*20);   //bit2
        uart_rx = 1;  #(5208*20);   //bit3
        uart_rx = 0;  #(5208*20);   //bit4   
        uart_rx = 0;  #(5208*20);   //bit5
        uart_rx = 0;  #(5208*20);   //bit6   
        uart_rx = 0;  #(5208*20);   //bit7
        uart_rx = 1;  #(5208*20);   //停止位
        #(5208*20*10);   
        $stop;         
    
    end
    
    


endmodule