C8051F020开发应用程序，完成人机界面及IO的输入输出，包含8路AD模拟输入和2路DA输出，还有PWM驱动电机的控制。-C8051F020 development and application procedures, man-machine interface and complete IO input and output, AD contains eight analog input and two output DA Road, PWM motor drive control.

c8051f020小程序，包括AD转换，DA转换，以及各种延迟函数-c8051f020 small procedures, including AD converter, DA converter, and various delay function

用c8051f020写的AD转换，晶振用的221184-C8051f020 written by AD conversion, crystal use 22118400

单片机的AD转换代码，主要用于C8051F020的配置-SCM AD converter code, mainly for C8051F020 configuration