本文介绍了CRC算法在单片机应用系统中的实现方法，通过一系列的理论推导，得到一种比较实用的8 位单片机系统CR C算法， 并给出了CR C码计算的汇编语言程序-This paper introduces the CRC algorithm in single-chip applications in the realization of methods, through a series of theoretical derivation, to be a more practical system of 8-bit single-chip CR C algorithms, and gives the calculation of CR C code compilation Language Program