Serial communication concept

2 months ago from

  1. Serial communication is used for multi computer communication

  2. Serial communication belongs to full duplex communication, that is, both sides can communicate at the same time

Half duplex communication, only one party is allowed to communicate at a time

  1. Generally, two wires TXD and RXD shall be connected for serial communication,

The connection shall be reversed (i.e. TXD shall be connected with RXD of the communication party, and RXD shall be connected with TXD)

  1. During serial communication, the data format (data bit, stop bit, parity bit) and baud rate shall be consistent between the communication parties