RADIO FREQUENCY INTEGRATED CIRCUIT AND COMMUNICATION DEVICE INCLUDING THE INTEGRATED CIRCUIT

Provided is radio frequency integrated circuit (RFIC). The radio frequency integrated circuit (RFIC) comprises a plurality of transceiver IPs (intellectual property), wherein each transceiver IP includes an analog mixer configured to perform frequency adjustment on a signal input thereto, and a filter configured to perform filtering on the signal having the adjusted frequency based on a predetermined (or alternatively desired) band, a plurality of registers corresponding to the plurality of transceiver IPs, respectively; wherein the plurality of registers are configured to generate a plurality of control signals for controlling the plurality of transceiver IPs, respectively, a memory configured to store therein a plurality of register addresses and a plurality of register data on the plurality of registers, respectively in a form of a lookup table and a processor configured to receive a command related to the lookup table from an external component, and to control the plurality of registers based on the lookup table.