sysinitial.lst

此程序是基于c8051f020单片机的c语言程序

C51 COMPILER V8.02   SYSINITIAL                                                            01/14/2009 21:15:27 PAGE 1   


C51 COMPILER V8.02, COMPILATION OF MODULE SYSINITIAL
OBJECT MODULE PLACED IN Sysinitial.OBJ
COMPILER INVOKED BY: D:\单片机\C51\BIN\C51.EXE Sysinitial.c BROWSE DEBUG OBJECTEXTEND

line level    source

   1          #include<c8051f020.h>
   2          #define uint unsigned int
   3          
   4          void SYSTEM_Init(void)
   5          {
   6   1              int i;
   7   1              EA=0;
   8   1              WDTCN=0xde;       //关闭看门狗；
   9   1              WDTCN=0xad;       //关闭看门狗。
  10   1              EA=1;
  11   1              //OSCICN=0x17;//选用内部振荡器16MHZ
  12   1              OSCXCN=0x67;//外部振荡器22.1184MHZ
  13   1              for(i=0;i<256;i++);
  14   1      //      while(!(OSCXCN&0x80));  //wait for crystal osc.to settle
  15   1              OSCICN=0x88;  //选择使用外部振荡器；
  16   1      }
  17          
  18          void PORT_Init(void)
  19          {
  20   1              XBR0 =0x00;        //Enable UART0;
  21   1              XBR1 =0x00;
  22   1          XBR2 =0x40;    //Enable crossbar and weak pull-ups;
  23   1              P0MDOUT=0x00;     
  24   1              P1MDOUT=0xff;
  25   1              P2MDOUT=0xff; 
  26   1      //      P2MDOUT=0x3f; 
  27   1              P3MDOUT=0x3f; //0011 1111         
  28   1              P74OUT =0xff;//1100 1111   
  29   1      }


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =     56    ----
   CONSTANT SIZE    =   ----    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =   ----    ----
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


C51 COMPILATION COMPLETE.  0 WARNING(S),  0 ERROR(S)