e pg pathshala subject computer science paper embedded system module serial port programming in embedded c module no cs es 21 quadrant 1 e text in this lecture basics of ...
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...E pg pathshala subject computer science paper embedded system module serial port programming in c no cs es quadrant text this lecture basics of communication will be discussed the control register visited program for detail with examples vs parallel data transferred by occurs two ways they are and has or more lines it is used transfer to a device that only short distance while over long sent one bit at time whereas multiple bits simultaneously difference between shown figure transmitter converts byte into using out shift receiver receive pack them digital signal can on simple wire without modulation some form may required example telephone line must converted from s audio tones which performs conversion back called modem modulator demodulator uses techniques synchronous block characters asynchronous single done following hardware usart universal uart chip built character oriented transmissions but each placed start stop framing always low high lsb first transfers use method rate mentio...