ps2.vf

Mars-XC2S50-S-Core-V2.0开发板核心板的说明和设计文档

////////////////////////////////////////////////////////////////////////////////
// Copyright (c) 1995-2003 Xilinx, Inc.
// All Right Reserved.
////////////////////////////////////////////////////////////////////////////////
//   ____  ____ 
//  /   /\/   / 
// /___/  \  /    Vendor: Xilinx 
// \   \   \/     Version : 7.1i
//  \   \         Application : sch2verilog
//  /   /         Filename : ps2.vf
// /___/   /\     Timestamp : 03/14/2006 15:33:32
// \   \  /  \ 
//  \___\/\___\ 
//
//Command: D:/Xilinx/bin/nt/sch2verilog.exe -intstyle ise -family spartan2 -w ps2.sch ps2.vf
//Design Name: ps2
//Device: spartan2
//Purpose:
//    This verilog netlist is translated from an ECS schematic.It can be 
//    synthesized and simulated, but it should not be modified. 
//
`timescale 1ns / 1ps

module ps2(clk, 
           rst, 
           dataout, 
           ps2_clk, 
           ps2_data);

    input clk;
    input rst;
   output [7:0] dataout;
    inout ps2_clk;
    inout ps2_data;
   
   wire XLXN_4;
   wire XLXN_5;
   wire [7:0] XLXN_6;
   wire XLXN_12;
   
   ps2_keyboard_interface XLXI_2 (.clk(XLXN_12), 
                                  .reset(rst), 
                                  .rx_read(XLXN_4), 
                                  .tx_data(XLXN_6[7:0]), 
                                  .tx_write(XLXN_5), 
                                  .rx_ascii(dataout[7:0]), 
                                  .rx_data_ready(), 
                                  .rx_extended(), 
                                  .rx_released(), 
                                  .rx_scan_code(), 
                                  .rx_shift_key_on(), 
                                  .tx_error_no_keyboard_ack(), 
                                  .tx_write_ack_o(), 
                                  .ps2_clk(ps2_clk), 
                                  .ps2_data(ps2_data));
   div_256 XLXI_4 (.mclk(clk), 
                   .reset(rst), 
                   .clk(XLXN_12));
   initial1 XLXI_5 (.rx_read(XLXN_4), 
                    .tx_data(XLXN_6[7:0]), 
                    .tx_write(XLXN_5));
endmodule