Introduction - If you have any usage issues, please Google them yourself
With the application of multi-microcomputer systems and computer networks, communication becomes less important. Serial communication is a one in a transmission line to transmit information, which lines both for the data line and make contact line. Serial communication as a primary means of communication, since the transmission line with less, and can make use of existing telephone network for information transmission, it is particularly suitable for long-distance transmission. In serial transmission, the communication protocol for communication by both sides, the so-called communication protocol is an agreement the two sides. Agreement on data formats, synchronization, transmission speed, transmission procedures, error correction, and control characters are defined to make uniform provisions and other issues, communication, both parties must abide by.