Panasonic Corporation

Tomoko Chiba

Toru Iwata

Hirokazu Sugimoto

Kazufumi Tanoue

Daisuke Takeuchi

A driver supplies data signal via a supply node. A voltage-relaxing transistor has a source connected to the supply node of the driver, a drain connected to a signal node connected to a signal line, and a gate to which the voltage at the signal node is applied.

Data communication circuit, transmission apparatus, reception apparatus, and transmission/reception system

When a barrel shift device is divided into pipeline registers and a shift process is executed in a multistage process stage, by decoding a second control signal for controlling a shift amount of a second shift circuitusing a decoding circuitit is detected at what digit positions in intermediate data in an intermediate data holding circuitdata elements which are to be finally output as output data from the second shift circuitare located. Based on a result of the detection of digit positions by the decoding circuitthe intermediate data holding circuitholds only data elements to be finally output, among data elements in the intermediate data, and does not hold unnecessary data elements which are not included in the output data. Therefore, by controlling a data storage operation in the intermediate data holding circuitan increase in power due to the pipeline structure is suppressed.

Growing community of inventors

Osaka, Japan

Tomoko Chiba