#include<reg51.h>
#include<intrins.h>
#define FOSC 11000000L
sfr CCON=0XD8;
sbit CCF0=CCON^0;
sbit CCF1=CCON^1;
sbit CR=CCON^6;
sbit CF=CCON^7;
sfr CMOD=0XD9;
sfr CL=0XE9;
sfr CH=0XF9;
sfr CCAPM0=0XDA;
sfr CCAP0L=0XEA;
sfr CCAP0H=0XFA;
sfr CCAPM1=0XDB;
sfr CCAP1L=0XEB;
sfr CCAP1H=0XFB;
sfr PCAPWM0=0XF2;
sfr PCAPWM1=0XF3;
void main()
{
CCON=0;
CL=0;
CH=0;
CMOD=0X02;
CCAP0H=CCAP0L=0X80; 这里0X80是占空比是50%，要是要50.5%呢，怎么算，有公式么？
CCAPM0=0X42;
CCAP1H=CCAP1L=0X80;
CCAPM1=0X42;
CR=1;
while(1);
}