#SERIAL COMMUNICATION PROTOCOL RS232 SYNCHRONOUS SERIAL#
Your smartphone is a prime example of full duplex mode in action.Īnother consideration when discussing serial communication is the protocol and endianness of the two host computers. Source and destination are both active and can send and receive data simultaneously. Full Duplex mode is the world’s most widely used form of serial communication.It then becomes the sender when returning the information to your computer, which is now the receiver. When you make a request from your computer for a webpage, the server processes the request. A case in point can be seen when using the Internet. Transmission only occurs in one direction at a time. Half Duplex mode permits the source and destination to both be active, but not simultaneously.Simplex mode is used when broadcasting television or radio signals. If the source is sending data, the receiver has no choice but to accept the transmission. In this scheme, only the source or destination is active at any given time. The Simplex method implements one-way data transmission.Various types of serial communication can be employed and are designated as Simplex, Half Duplex, and Full Duplex They are also referred to as the sender and receiver.
In order to implement serial communication, a source and destination are required. Conversely, binary zero is denoted with a logic LOW or zero volts. The binary digit one is represented by five volts or a HIGH logic.
Binary pulses are used to transmit data in serial data transmission.
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