//Legal Notice: (C)2007 Altera Corporation. All rights reserved. Your
//use of Altera Corporation's design tools, logic functions and other
//software and tools, and its AMPP partner logic function
//Legal Notice: (C)2007 Altera Corporation. All rights reserved. Your
//use of Altera Corporation's design tools, logic functions and other
//software and tools, and its AMPP partner logic function
//megafunction wizard: %Altera SOPC Builder%
//GENERATION: STANDARD
//VERSION: WM1.0
//Legal Notice: (C)2007 Altera Corporation. All rights reserved. Your
//use of Altera Corporation's design
//Legal Notice: (C)2007 Altera Corporation. All rights reserved. Your
//use of Altera Corporation's design tools, logic functions and other
//software and tools, and its AMPP partner logic function
///////////////////////////////////////////////////////////////////////////////
//This module is used to change the 50Mhz frequency to 20Mhz./////////////////
//Xiaoming,Chen,31,july,2002.////////////
