uart_tb.v

经过验证的UART硬件描述语言（VHDL）代码

// hds_header_start
//
// Module UART_TXT.uart_tb.rtl
//
// Created:
//          by - user.group (host.domain)
//          at - 18:51:35 28 Aug 2001
//
// Generated by Mentor Graphics' HDL Designer(TM)
//
// hds_header_end

`resetall
`timescale 1ns/10ps
module uart_tb;

// hds_interface_end

wire [2:0] addr;// 3-bit address bus
wire       clk;// 10 MHz clock
wire       cs;// chip select
wire [7:0] data_in;// 8-bit data in bus from cpu
wire [7:0] data_out;// 8-bit data out bus to cpu
wire       int;// interrupt(1)
wire       nrw;// read(0), write(1)
wire       rst;// reset(0)
wire       sin;// serial input
wire       sout;// serial output


// Instances 
tester I0( 
   .data_out (data_out), 
   .int      (int), 
   .sout     (sout), 
   .addr     (addr), 
   .clk      (clk), 
   .cs       (cs), 
   .data_in  (data_in), 
   .nrw      (nrw), 
   .rst      (rst), 
   .sin      (sin)
); 

uart_top I1( 
   .addr     (addr), 
   .clk      (clk), 
   .cs       (cs), 
   .data_in  (data_in), 
   .nrw      (nrw), 
   .rst      (rst), 
   .sin      (sin), 
   .data_out (data_out), 
   .int      (int), 
   .sout     (sout)
); 

endmodule