The Sony CXA7002R is an Audio/Video switch designed primarily for application in Digital Set Top Boxes. It provides video and audio routing from the digital encoder source to the TV and VCR scart (peri-television) connectors. In addition, the TV audio output has a programmable volume control. The chip is programmed by means of an I2C interface and can operate from a single or dual power supply. Target specifications: Canal+, BSkyB, TPS, NorDig, and ECCA Euro-Box