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本文从理论上推导出CRC 算法实现原理，给出三种分别适应不同计算机或微控制器硬件环境的C 语言程序。读者更能根据本算法原理，用不同的语言编写出独特风格更加实用的CRC 计算程序。-is theoretically derived from the CRC algorithm theory, Adaptation were given three different computer or micro-controller hardware environment of the C Programming Language. According to the better the algorithm is used to a different language unique style more practical calculation of the CRC process.

Verilog 语法速查手册，做成了一个页面形式，方便Verilog开发人员查询！-Verilog Grammar Check manual, it would be a one page form to facilitate the development of Verilog staff inquiries!

linux下的nandflash驱动程序,这是从国外网站上下载来的-nandflash the driver, which is from overseas sites to download

通过对双口ram 操作判断硬件正确性，并在相应位置入标志来表示对错。-Dual-port ram through hardware to determine the correctness of the operation, and location in the corresponding entry signs to indicate right or wrong.

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典型的PID处理程序--Typical PID modification program

profibus dp主站于从站通信，实现与西门子程序一样的功能-profibus dp master station communications from the station, the same procedure with the functions of Siemens

cc2510LED自动闪烁，代码不难，帮助熟悉芯片IO的配置，和开发环境的使用，本程序是以IAR为开发环境

CRC校验采用多项式编码方法。多项式乘除法运算过程与普通代数多项式的乘除法相同。多项式的加减法运算以2为模，加减时不进，错位，如同逻辑异或运算。-CRC polynomial used coding method. Polynomial multiply and divide computing process and the general polynomial algebra multiply and divide the same. Polynomial and subtract operations for the two to die, not into the Modified, dislocation, as logical XOR.

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