Question

Which is faster serial interface or parallel interface?

Answer 1

You can easily run N times faster using one serial interface. SATA is the serial version of PATA which is a direct decendent to IDE, not that serial was faster just than it is far easier to sync up with and to keep N parallel bits in sync from one end to the next.

Answer 2

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Interfacing can be defined as transferring data between microcontrollers and interfacing peripherals such as sensors, keypads, microprocessors, analog to digital converters or ADC, LCD displays, motors, external memories, even with other microcontrollers, some other interfacing peripheral devices and so on or input ...