Disclosed herein is an information processing terminal including: a resonance circuit unit configured to have a resonance frequency varying linearly in accordance with a control signal so as to receive data and power from a reader/writer in noncontact fashion at the resonance frequency; a maximum received voltage setting unit configured to output a reference voltage for defining a maximum received voltage to be output by the resonance circuit unit; a control signal generation unit configured to generate the control signal in accordance with the received voltage and the reference voltage; and a transmit-receive processing section configured to operate on the received voltage to process the data; wherein the received voltage is not in excess of a predetermined level.