The fundamentals of RS232 communication mainly involves what is RS232, pin configuration of RS232 and its interfacing to the micorocntroller using MAX232 This article gives a brief information about the fundamentals of RS232 communication. Here, DTE is a computer terminal and DCE is a modem. It formally describes the signals connecting between a data terminal equipment (DTE) and a data circuit terminating equipment( DCE). In telecommunications, this RS232 port is a standard serial communication transmission of data. Basically, all long distance communication transfers the information one bit at a time, instead of in parallel, as a result of it reduces the price of the cable. The term serial most frequently denoted to the RS232 port which is called as the serial port, and therefore the several devices designed to be compatible with it using serial cable which is plugged into it. In RS 232, the term RS stands for recommended slandered and the number 232 specifies the latest version.There are various types of serial communication systems were designed to transfer the information over large distances through some variety of information cable.
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