c8051f020模块.rar

				C51 COMPILER V8.02   PWM                                                                   09/05/2009 02:20:47 PAGE 1   
				
				
				C51 COMPILER V8.02, COMPILATION OF MODULE PWM
				OBJECT MODULE PLACED IN PWM.OBJ
				COMPILER INVOKED BY: C:\Keil\C51\BIN\C51.EXE PWM.C BROWSE DEBUG OBJECTEXTEND
				
				line level    source
				
				   1          #include 
				   2          
				   3          #define uint8 unsigned char
				   4          #define uint16 unsigned int
				   5          
				   6          
				   7          
				   8          void Init_SYSCLK(void)
				   9          { 
				  10   1        uint8 i;
				  11   1        OSCXCN = 0X67;//开始外部22.1184M晶振
				  12   1        for(i = 0;i < 128;i++); //等待外部起振
				  13   1        while(!(OSCXCN & 0X80));      //查询标志位
				  14   1        OSCICN = 0X88;//用外部晶振，并使能始终丢
				  15   1      }
				  16          
				  17          
				  18          void Init_PCA(void)
				  19          {
				  20   1        PCA0MD=0X00;  //09
				  21   1        
				  22   1        PCA0L=0X00;
				  23   1        PCA0H=0X00; 
				  24   1        PCA0CPM0=0X46;//CB
				  25   1        //PCA0CPL0=0; 
				  26   1        //PCA0CPH1=0X80;
				  27   1        PCA0CPH0=0Xc8;//4.6k
				  28   1         
				  29   1       PCA0CPM1=0X46; //4c高速输出模式,46频率输出模式
				  30   1       //CCAP3L=0XFF;
				  31   1       PCA0CPH1=0Xb8; //5k
				  32   1       PCA0CPM2=0X46; //4c高速输出模式,46频率输出模式
				  33   1       PCA0CPH2=0Xc0; //4.8k
				  34   1       PCA0CPM3=0X46;
				  35   1       PCA0CPH3=0Xb1;//5.2k
				  36   1       PCA0CPM4=0X46;
				  37   1       PCA0CPH4=0Xaa;//5.4K
				  38   1      
				  39   1        PCA0CN=0X40;
				  40   1        //EIE1=0X08;
				  41   1      }
				  42          
				  43          
				  44          void Init_PORT(void)
				  45          {
				  46   1         //XBR0=0X20;
				  47   1         XBR0=0X2c;
				  48   1         XBR2=0X40;
				  49   1         P0MDOUT=0XFF;
				  50   1      }
				  51          
				  52          /*
				  53          void PCA_ISR(void) interrupt 9
				  54          {
				  55            CF=0;
				C51 COMPILER V8.02   PWM                                                                   09/05/2009 02:20:47 PAGE 2   
				
				  56            CCF1=1;
				  57          
				  58          
				  59          } */
				  60          
				  61          
				  62          void main(void)
				  63          {
				  64   1        WDTCN = 0xde;
				  65   1        WDTCN = 0xad;//关闭看门狗
				  66   1      
				  67   1        Init_SYSCLK();
				  68   1        Init_PORT();
				  69   1        Init_PCA();
				  70   1       // EA=1;
				  71   1      
				  72   1        while(1);
				  73   1                                        
				  74   1      }
				
				
				MODULE INFORMATION:   STATIC OVERLAYABLE
				   CODE SIZE        =     86    ----
				   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)