PROGRAM FOR SERIAL DATA COMMUNICATION INTERFACE
The voltage level of the RS232C are used to assume error free
transmission over great distance than it would be possible with TTL levels.
The start and stop bits are used to
synchronize the serial receivers .
The data byte is always transmitted
with the least significant bit first.
For error checking if possible include
a parity bit .The bits are transmitted at specific time intervals determined by
the rate of the serial signals.
The bound rate is the reciprocal of the
time required to send one bit.
Error free serial communication
requires the boud rate to be same as the transmitter and the receiver.
The following program is to transfer
the message YES serially at bout rate 9600, 8 bit data 1 stop bit .
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