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 oper

中颖69p43单片机实现A/D转换功能的实例。8位ADC模块，输出数字量在00H~FFH之间，内部转换过程采用逐次逼近法，转换速度相当快-Ying 69p43 in the single chip A/D conversion function of the instance. 8-bit ADC module, the output of digital content between the 00H ~ FFH, the internal conversion process using s