Wednesday, October 01, 2008

General information about SERIAL Cmmunication

The serial bus interfaces are widely used for interfacing EEPROMs, data converters and many peripheral chips to microcontrollers. They are also often used for inter-microcontroller communication. Serial bus system are also used to build control buses inside equipments like TV receivers, AV amplifiers and cellular phones.
The major advantage of usign s serial bus is the small number of wires needed. A major disadvantage of serial interfacing is the tradeoff of speed for space. The processor’s I/O port spends a relatively large amount of time communicating with a serial device. Consequently, serial converters with throughput rates above 500 ksps are uncommon.

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