介绍PS/2标准健盘的第二套扫描码和命令集，并给出在单片机系统中支持PS/2健盘的硬件连接方式和利用Keil C51语言实现的驱动程序设计及部分代码。该驱动程序可以方便地移植到其他单片机或嵌入式系统中。- Introduce PS/2 standard Kin disk scanning the second set of code and command set, and give support in the single-chip microcomputer system PS/2 K

CAN 总线的光耦隔离器C51单片机编程实现-CAN Bus Programming optocoupler isolator