芯片at89s52，在上面完成一些如led 点阵 PS键盘 串口 等基本操作 对于初学51的有参考价值...

6122红外编码 应用nop进行延时，实现6122编码。-6122 IR CODE

单片机定时中断的精确定时编程　里面介绍了５种定时中断的方法误差均不超过1个机器周期-SCM regularly interrupted regular programming precision inside of five species regularly interrupted the error not more than one machine cycle

最好的8051系列单片机反编译软件，很实用，能很容易的得到源代码。-best 8051 anti-compiler software, very pragmatic, very easy to get the source code.

使用protel99软件编辑的原理电路图，希望对各位有助于电路图的学习和开发-The use of the principle of circuit protel99 software editor, in the hope you will help the study and development of circuit

完整的实现RS232与TCP/IP网络协议的转换-Realize the full RS232 and TCP/IP network protocol conversion

串行DA，MAX549PDF及汇编原程序，测试成功。51控制。-serial DA, and the compilation of the original MAX549PDF procedure, tested successfully. 51 control.

at89c51单片机

电子时钟2，编译于单片机中，实现电子时钟的功能，显示小时分秒-electronic clock 2, compilers in SCM, electronic clock function showed hour Minutes

设计使得原本需要14个IO接口的键盘显示少用了9个单片机IO接口,虽然该设计的优势在本实验中没有完全体现出来,但若在现代工业设计中应用此方案,在对引脚需要较大的产品中其优点将体现得淋漓尽致。.-Design makes the original needs 14 IO interface shows the use of a keyboard 9 Singlechip IO interface, although the advantages of the design in this experiment did not fully reflected, but in modern industrial design in the application of this program in the pairs of primers Products feet larger in its merits and will be reflected most vividly. .

CRC32，适用于internet,文件等的校验，可靠程度比CRC32高，但运算要比CRC16复杂，需要的占用的代码空间也大一点-CRC applied to internet, checking the documents, reliable than CRC, but the operation than CYXLIC REDUNDANCY complex, requiring the occupants of the large code space 1:00