![]() For operational fetches, address and data buses, and other microprogram control, parallel buses. ![]() There are special ICs used for this communication such as In asynchronous communication, single byte (or bit) is transferred at a time. PISO and SIPO shift registers are used to convert serial data into parallel data andīenefits or advantages of Serial Interfaceįollowing are the benefits or advantages of Serial Interface: The microcontroller IC such as 8051 consists of in-built UART chip. ➨It uses less number of conducting wires, hence reduces cost of the interface. ➨It uses less number of wires often only one, this leads to simple ➨It supports long distance data communication. Interface between transmitting and receiving devices or ICs. ![]() Drawbacks or disadvantages of Serial Interfaceįollowing are the disadvantages of Serial Interface: Know the advantages and disadvantages of parallel and serial transmission. ![]() Know why parallel transmission is not used over long distances. Ways data is transmitted Serial and Parallel Synchronous and Asynchronous 9.2 A Taxonomy of Transmission Modes. Serial transmission is sending one bit at a time Parallel. ➨It uses less number of lines for transmission between devices. ➨It occupies overhead of about 20% other than useful information. This leads to wastage of bandwidth meant for data trasmission for useless stuff.
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