是一个很好的C8051F120程序实例，主要有ADC12位&UART；ADC&UART；C8051F120UCOS2；DA锯齿波；DA正弦波；int0；IOTEST；pwm8；PWM16；Serial0程序；SPI；TIMER3。-Is a good example of C8051F120 procedures, mainly ADC12 bit & UART ADC & UART C8051F120UCOS2 DA sawtooth DA sine wave int0