An optimized Mobile Industry Processor Interface (MIPI) includes a transmitter physical (PHY) layer configured to convert input data into serial data and transmit the serial data in synchronization with a high-speed clock, a receiver PHY layer configured to convert the serial data into 8-bit parallel data in synchronization with the clock received from the transmitter, a bit merge block configured to merge the parallel data received from the receiver PHY layer so as to form 32-bit data using multiple lanes and to transmit the 32-bit data to a receiver protocol layer, the receiver protocol layer being configured to decode and recognize the data received from the bit merge block.