If using odd parity, then when the receiver receives this set of code, check the "1" if the number is odd, to determine the transmission code is correct.
若用奇校验，则当接收端收到这组代码时，校验“1”的个数是否为奇数，从而确定传输代码的正确性。
The USB electrical specifications describe the port driver circuit, electrical level of data transmission, code structure, bit synchronization and power distribution.
USB的电气特性反映了端口驱动电路、传输电平、编码结构、位同步处理及供电方式。
The USB electrical specifications describe the port driver circuit, electrical level of data transmission, code structure, bit synchronization and power distribution.
USB的电气特性反映了端口驱动电路、传输电平、编码结构、位同步处理及供电方式。
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