dac0832.lst

QH_MCU_V1.1单片机C源码. 内含实验程序 这是修改版.

C51 COMPILER V7.07   DAC0832                                                               09/21/2007 13:10:29 PAGE 1   


C51 COMPILER V7.07, COMPILATION OF MODULE DAC0832
OBJECT MODULE PLACED IN dac0832.OBJ
COMPILER INVOKED BY: C:\Keil\C51\BIN\C51.EXE dac0832.c BROWSE DEBUG OBJECTEXTEND

stmt level    source

   1          #include <reg51.h>
   2          #include <intrins.h>
   3          
   4          #define uchar unsigned char
   5          
   6          void delay(uchar utimes)
   7          {
   8   1       uchar i;
   9   1       uchar j;
  10   1       for(i=0;i<=utimes;i++)
  11   1       {
  12   2          _nop_();
  13   2              for(j=0;j<=utimes;j++)
  14   2              _nop_();
  15   2        }
  16   1      }
  17           
  18          void main()
  19          {
  20   1        P2 = 0xf7;//使能74ls373
  21   1        _nop_();
  22   1        P0 = 0xf8;//使能dac0832
  23   1        _nop_();
  24   1        P2 = 0xe7;//使74ls373实现锁存功能
  25   1        P0 = 0x00;
  26   1        while(1)
  27   1        {
  28   2         delay(100);//延时
  29   2         P0 = P0 + 0x01;
  30   2        }
  31   1      
  32   1      }


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =     46    ----
   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)