020_init.lst

c8051f020+ad9852＋12864＋键盘（频率合成）贝一特电子

C51 COMPILER V8.05a   020_INIT                                                             06/18/2008 14:47:03 PAGE 1   


C51 COMPILER V8.05a, COMPILATION OF MODULE 020_INIT
OBJECT MODULE PLACED IN 020_init.OBJ
COMPILER INVOKED BY: C:\Keil\C51\BIN\C51.EXE 020_init.c BROWSE DEBUG OBJECTEXTEND

line level    source

   1          #include<main.h>
   2          
   3          /***************************时针配置*****************************/
   4          void SYSCLK_Init (void)
   5          {  
   6   1         int i;                           // delay counter
   7   1         OSCXCN = 0x67;                   // start external oscillator with         // 22.1184MHz    crystal
   8   1         for (i=0; i < 512; i++) ;        // Wait for osc. to start up
   9   1         while (!(OSCXCN & 0x80)) ;       // Wait for crystal osc. to settle
  10   1         OSCICN = 0x88;                   // 选择外部时针   
  11   1      }
  12          
  13          /***************************端口设置*****************************/
  14          void port_init(void)
  15          {
  16   1         XBR0|= 0x04;                     // 串口能用
  17   1         XBR1= 0x00;
  18   1         XBR2= 0x40;                      // Enable crossbar and weak pull-ups
  19   1         ////
  20   1         P0MDOUT |= 0x3D;                   
  21   1         P3MDOUT = 0xff;                              //P3.0 P3.2为开漏输出   ad7650用
  22   1         P1MDOUT = 0xff;                      //P1口设置为push-pull输出
  23   1         P2MDOUT = 0xff;                      //P2口设置为push-pull输出
  24   1         P7=0X0F;
  25   1      }
  26          
  27          void Sys_Init(void)
  28          {
  29   1       SYSCLK_Init ();
  30   1       port_init();
  31   1      // ddsInit();
  32   1      }


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =     59    ----
   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)