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
串行大容量存储器的c51 读写源程序特点:占用io口线少,缺点:读写时间比并行时间长-Serial large memory read and write the source decoder features : io occupied mouth lines, shortcomings : reading and writing than parallel long time