Patent ID: 7839708

Claim:
A semiconductor apparatus configured to operate on a plurality of internal voltages generated from electromagnetic waves received via an antenna, to extract a command and data from the received electromagnetic waves, and to operate according to the extracted command, comprising: internal circuitry configured to perform a predetermined test by generating and outputting binary signals according to a command input from outside, wherein the command input includes; inputting high level signals to a first input circuit from the outside to cause the internal circuitry to ignore data signals from a detecting circuit; inputting a command from the outside to a second input circuit to write data into a memory circuit of the internal circuitry; and output circuits each corresponding to a distinct internal voltage of the plurality of internal voltages generated from the electromagnetic waves and configured to convert the binary signals output from the internal circuitry and the memory circuit into binary signals having same voltages as the corresponding internal voltages and wherein data output from the memory circuit during the predetermined test is output to a first and second output circuit.