In the conventional semiconductor device, the power consumed in ternary serial data communication cannot be reduced. According to one embodiment, the semiconductor device has a the transmission processing circuit 10 that converts the binary representation of binary Transmitted data Dbin_TX to a ternary transmitted data Dter_TX represented as a ternary number and generates a transmitted signal corresponding to this ternary Transmitted data Dter_TX, wherein the transmission processing circuit 10 verifies the frequency of occurrence of the values included in the ternary transmitted data Dter_TX, assigns the signal change pattern with the highest state transition to the transmitted signal logical level corresponding to the lowest occurrence value, and generates a transmitted signal.

A transmission line of the disclosure includes: a first line; a second line having characteristic impedance higher than characteristic impedance of the first line; and a third line. The transmission line transmits a symbol that corresponds to a combination of signals in the first line, the second line, and the third line.

A method and apparatus for transferring data maps the data to a modulation code using an encoder circuit having a configuration. A binary symbol of the data is mapped to a modulation code having a plurality of modulation digits and a modulation signal is generated based on the modulation code. A transmitter drive signal is modulated based on the modulation signal. A configuration of the encoder circuit is set based on a determined performance level. The transmitter drive signal may be used to produce an electromagnetic field by generating a positive, negative or zero electrical current in an induction coil of a first semiconductor die. A current induced by the electromagnetic field in an induction coil of a second semiconductor die is demodulated to recover the data whereby the data is transferred from the first semiconductor die to the second semiconductor die.

Disclosed are a transmitter capable of cancelling simultaneous switching noise while ensuring low costs and a small area and a data transmission method in the same. The transmitter includes an encoder configured to convert input data of two levels (1 and 0) into data of three levels (+1, 0, and 1) and an output unit configured to output the data converted by the encoder. Here, the encoder adds 1 bit to the input data such that the number of bits corresponding to logic 1 becomes an even number. In addition, a specific correlation is established between currents or voltages corresponding to at least two levels of levels +1, 0, and 1 so that +1 and 1 corresponding to the logic 1 are alternately arranged and a current flowing through a power line or a ground line is constant regardless of the input data.

A method and interface circuit for testing an electronic device with a single logic pin is disclosed. The comprises forming a data stream having three level bands; inputting the data stream through a single logic pin; and decoding the data stream to identify a scan_in signal, a scan_shift_enable signal and a scan_out signal and returning contemporaneously a scan_out signal as an output through the same logic pin. The interface circuit includes a decoder connected to the single logic pin.

A transmission device according to the disclosure includes: a controller that selects one of a plurality of operation modes; and a first transmitter that includes a first capacitance setting section that sets a load capacitance in accordance with an operation mode selected by the controller, and is configured to be able to output, to a first output terminal, a first signal having a signal format according to the selected operation mode, among a plurality of signal formats.

A transmission device according to the disclosure includes a power supply section, a first transmitter, and a controller. The power supply section includes a voltage generator that generates a power supply voltage, and a load section configured to be able to change a load current at the voltage generator. The first transmitter has a first operation mode and a second operation mode, and transmits a first signal on the basis of the power supply voltage. The controller controls an operation of the load section when an operation mode of the first transmitter transitions between the first operation mode and the second operation mode.

A transmission line of the disclosure includes: a first line; a second line having characteristic impedance higher than characteristic impedance of the first line; and a third line. The transmission line transmits a symbol that corresponds to a combination of signals in the first line, the second line, and the third line.

A process and/or apparatus capable of facilitating network communication via a directly accessible network interface controller (NIC) in a virtualized environment is disclosed. The process, in some embodiments, is able to receive a packet stream traveling from a virtual machine (VM) to a direct-access configured NIC (DCN). After forwarding from an embedded switch (eSwitch) of the DCN to a virtual switch (vSwitch) residing in a hypervisor or VM monitor in accordance with at least a portion of content of the packet stream, a processed packet stream is generated by the hypervisor in response to the packet stream. The processed packet stream is subsequently transmitted from the vSwitch to the eSwitch for facilitating the processed packet stream to reach its destination.

In the conventional semiconductor device, the power consumed in ternary serial data communication cannot be reduced.

According to one embodiment, the semiconductor device has a the transmission processing circuit 10 that converts the binary representation of binary Transmitted data Dbin_TX to a ternary transmitted data Dter_TX represented as a ternary number and generates a transmitted signal corresponding to this ternary Transmitted data Dter_TX, wherein the transmission processing circuit 10 verifies the frequency of occurrence of the values included in the ternary transmitted data Dter_TX, assigns the signal change pattern with the highest state transition to the transmitted signal logical level corresponding to the lowest occurrence value, and generates a transmitted signal.