实现动态显示程序设计 用STC最小系统实现数码管和发光二极管的显示控制。 用Keil C51编程实现上述功能 用Keil与Proteus联调-Proteus simulation is used to implement digital clock Ask a stopwatch shows minutes. Support a stopwatch basic control, start, stop, reset Use Keil C51 programming to