使用89C52单片机输出PWM的汇编源码-The use of 89C52 single-chip PWM output of the compilation of source code

基于keil平台在89c52上实现八路PWM控制LED灯- English Spanish Arabic Eight PWM control of LED lights based the keil platforms in 89c52

基于89c52开发平台通过PWM（脉宽调制）调节LED的亮度(Based on the 89C52 development platform, the brightness of LED is adjusted by PWM (pulse width modulation))