语音录放芯片ISD4004完整的C代码源程序－C51编写，该程序在驾驶员考试系统车载考试设备中长期稳定使用，灵活方便，效果良好-Voice Recorder ISD4004 chip complete C source code-C51 prepared by the procedures in the examination system driver-vehicle test equipment and long-term stability in use, flexibility, goo

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