In serial communication,the rate of communication is related to the clock pulse,the transfer rate of the receiver and the sender should be the same,but there is always some slight difference between the actual sending rate and the receiving rate,if you do not take certain measures,When a large amount of information is continuously transmitted,misalignment will be caused due to accumulated errors,so that the receiver receives the wrong information.To solve this problem,it is necessary to synchronize transmission and reception.According to the different synchronization methods,serial communication can be divided into asynchronous communication and synchronous communication.
在串行通信中,通信的速率与时钟脉冲有关,接收方和发送方的传送速率应相同,但是实际的发送速率与接收速率之间总是有一些微小的差别,如果不采取一定的措施,在连续传送大量的信息时,将会因积累误差造成错位,使接收方收到错误的信息。为了解决这一问题,需要使发送和接收同步。按同步方式的不同,可将串行通信分为异步通信和同步通信。
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