The EM2840-D1, manufactured by Empia, is a highly integrated multimedia processor primarily designed for USB camera applications. It functions as a bridge between CMOS image sensors and a USB host, enabling efficient transmission of video data. This chip incorporates a high-performance image signal processor (ISP) along with USB 2.0 compliant interface, making it well-suited for applications requiring real-time video capture and processing.

Applications

• USB Webcams
• Security Cameras
• Video Conferencing Systems
• Surveillance Systems
• Industrial Imaging

Features

• USB 2.0 High-Speed Compliant Interface: Ensures fast and reliable data transfer to the host system.
• Integrated Image Signal Processor (ISP): Performs automatic white balance, automatic exposure control, and color correction.
• Support for various CMOS image sensors: Compatible with a wide range of sensors with different resolutions and formats.
• Video Compression: Supports various video compression formats like MJPEG to reduce the bandwidth usage.
• Built-in Microcontroller: Allows for customization and control of the camera functionality.

Benefits

• High-Quality Video: Delivers clear and sharp video images due to the integrated ISP.
• Reduced System Cost: Integrated functionality minimizes the need for external components.
• Easy Integration: USB interface simplifies the connection to host systems.
• Low Power Consumption: Optimized for power efficiency, suitable for portable devices.
• Flexible Configuration: Programmable microcontroller enables customized camera behavior.

The EM2840-D1 supports various image resolutions and frame rates, depending on the CMOS sensor used. It typically operates with a 24MHz crystal oscillator and requires a 3.3V power supply for I/O and a 1.8V supply for the core logic. The chip is usually available in a QFN package. Furthermore, driver support is generally available for Windows and Linux operating systems, simplifying software development.