Patent ID: 7720453

Claim:
A semiconductor device comprising: a radio-communication processing unit that is formed with a semiconductor chip or a multi-chip module having a radio communication function and an individual identification function, and performs various kinds of processes relating to radio communication; and a function processing unit that processes various functions based on data from the radio-communication processing unit, wherein the function processing unit includes a control-signal input/output unit to which a control signal indicating that the radio data for the semiconductor device is transmitted is input by a cable signal, and a reset-signal input unit to which a reset signal instructing reset of the function processing unit is externally input by a cable signal, and when the reset signal is input, performs a reset process according to the reset signal, and the radio-communication processing unit includes a radio-communication-processing-reset-signal input unit independent of the function processing unit, to which a radio communication processing reset signal instructing reset of the radio-communication processing unit is input by a cable signal, when the radio communication processing reset signal is input, performs a reset process according to the radio communication processing reset signal, and receives the radio data only when the control signal is input.