Semiconductor device for near-field communication

A semiconductor device comprising:

• a first coil section configured to receive a first clock signal from a reader;
• a power generator that is electrically connected to the first coil section in accordance with a switching operation of a switch;
• a load chip that is electrically connected to the power generator and configured to receive electric power in accordance with the first clock signal, wherein the load chip comprises application software;
• a near-field communication (NFC) chip configured to generate a switching operation control signal for controlling the switching operation of the switch, and is electrically connected to the load chip to transmit and receive data;
• and
• a second coil section that is electrically connected to a second NFC chip and configured to receive a second clock signal from the reader.

A semiconductor device comprising:

• a first coil section configured to receive a first clock signal from a reader;
• a power generator comprising a matching circuit electrically connected to the first coil section in accordance with a switching operation of a switch to perform impedance matching, and a first near-field communication (NFC) chip configured to receive a voltage signal from the matching circuit to generate electric power;
• a load chip that is electrically connected to the first NFC chip and configured to receive the electric power in accordance with the first clock signal, wherein the load chip comprises application software;
• a second NFC chip configured to generate a switching operation control signal for controlling the switching operation of the switch;
• and
• a second coil section that is electrically connected to the second NFC chip and configured to receive a second clock signal from the reader.