C51 COMPILER V9.00   1KHZ                                                                  08/07/2013 23:15:41 PAGE 1   


C51 COMPILER V9.00, COMPILATION OF MODULE 1KHZ
OBJECT MODULE PLACED IN 1KHZ.obj
COMPILER INVOKED BY: C:\Keil\C51\BIN\C51.EXE 新建文件夾\1KHZ.c BROWSE DEBUG OBJECTEXTEND PRINT(.\1KHZ.lst) OBJECT(1KHZ.o
                    -bj)

line level    source

   1          #include<reg51.h>   //包含51單片機(jī)寄存器定義的頭文件
   2          sbit ui=P3^7;  //將ui位定義為P3.0（INT0）引腳，表示輸入電壓
   3          unsigned  int  num;     
   4          void main(void)
   5            {
   6   1          TMOD=0x02;   // TMOD=0000 1010B,使用定時(shí)器T0的模式2，GATE置1
   7   1           EA=1;         //開(kāi)總中斷
   8   1               ET0=1;        //不使用定時(shí)器T0的中斷     
   9   1               TR0=1;        //啟動(dòng)T0
  10   1               TH0=239;        //計(jì)數(shù)器T0高8位賦初值
  11   1               TL0=239;        //計(jì)數(shù)器T0低8位賦初值
  12   1               while(1)       //無(wú)限循環(huán)，不停地將TL0計(jì)數(shù)結(jié)果送P1口
  13   1           {
  14   2                  if(num==2) //1khz=2;
  15   2                      {
  16   3                      num=0;
  17   3                      ui=~ui;
  18   3                      }       
  19   2              }
  20   1       }
  21          
  22           void  timer()  interrupt 1
  23           {
  24   1                      num++;
  25   1       }


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =     44    ----
   CONSTANT SIZE    =   ----    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =      2    ----
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


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