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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 <reg52.h>
sbit 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;
}
}
}
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