高精度实时时钟-SD2001驱动程序,在要求较高精度的地方可以作为参考资料。-High-precision real-time clock-SD2001 driver in place require a higher accuracy can be used as reference materials.
C51单片机实现对PC鼠标的读取与显示具体细节请参考源程序将时钟线接入外部中断数据线接入普通I/O输入输出口-C51 MCU to read the PC mouse and display details please refer to the source clock line access external interrupt data lines access I/O input and output mouth