An electronic device according to one embodiment of the present document may comprise: at least one camera; an encoder connected to the at least one camera through a first interface having a first number of signal lines; and a decoder connected to the encoder through a second interface having a second number of signal lines that is less than the first number. The encoder can provide, to the decoder through the second interface, data acquired from the at least one camera through the first interface and data encoded on the basis of identification information indicating each of the first number of signal lines.