高速模拟PWM程序(C51)分享

中国欧软只出精品代码：高速模拟PWM程序(C51)，可达1.114KHz，8bit分辨率@24MHz标准8051
#include
***it PWM = P3^7;
unsigned char pwm_count,pwm_value;
void main(void)
{
pwm_value=80;
while(1)
{
pwm_count++;
if(pwm_count==pwm_value)
   {
   PWM=0;
   }
if(pwm_count==0)
   {
   PWM=1;
   }
}
}