The EP9407-CRZ is an HDMI receiver IC manufactured by Cirrus Logic. It is designed to receive HDMI signals and convert them into various output formats, typically for display or processing. This chip is commonly used in devices such as set-top boxes, Blu-ray players, and other multimedia devices requiring HDMI connectivity.

Applications

• Set-top boxes: Receives HDMI input from external sources like Blu-ray players or gaming consoles.
• Blu-ray players: Processes HDMI signals from the Blu-ray disc drive and outputs video and audio to the display.
• AV receivers: Integrates HDMI inputs from multiple sources and routes audio and video to the appropriate outputs.
• Digital signage: Used in digital signage displays to receive and display content from HDMI sources.
• Video conferencing systems: Receives HDMI input from cameras and other video sources for processing and transmission.

Features

• HDMI 1.4 Receiver: Compliant with HDMI 1.4 specifications, supporting features like 3D video and Audio Return Channel (ARC).
• HDCP Content Protection: Supports High-bandwidth Digital Content Protection (HDCP) to protect copyrighted content.
• Integrated Equalizer: Includes an integrated equalizer to compensate for signal loss over long HDMI cables.
• Audio Extraction: Extracts audio from the HDMI stream and outputs it in various formats, such as I2S or SPDIF.
• Video Processing: May include basic video processing capabilities such as scaling and color space conversion.
• Low Power Consumption: Designed for low power consumption to meet energy efficiency requirements.

Benefits

• High-Quality HDMI Reception: Ensures reliable and high-quality reception of HDMI signals.
• Content Protection: HDCP support enables the playback of protected content from various sources.
• Long Cable Support: Integrated equalizer compensates for signal loss, allowing for the use of longer HDMI cables.
• Flexible Audio Output: Audio extraction and various output formats provide flexibility in audio processing.
• Energy Efficient: Low power consumption helps to reduce overall system power consumption.

Additional Details

The EP9407-CRZ is typically packaged in a QFP or QFN package. It requires a 3.3V power supply for operation. The datasheet provides detailed information on the pinout, electrical characteristics, and application circuit examples. Software drivers are often required to configure and control the chip. The specific video and audio output formats supported depend on the configuration and firmware of the device.