Overview
CXA2161R is listed in the Interface category. Available datasheets include documents from Sony Corporation.
Summary
I2C Bus Compatible Audio Video (AV) Switch & Electronic Volume Control
Description
The Sony CXA2161R 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 (peritelevision) 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.
Source title
CXA2161R Datasheet(PDF) - Sony Corporation