DENEBOLA (See3CAM_CX3RDK) - CX3 Reference Design

Denebola (See3CAM_CX3RDK) is a USB3.0 UVC Reference Design Kit (RDK) developed by e-con Systems using the EZ-USB® CX3 USB3.0 Peripheral controller from Cypress Semiconductors. The Cypress EZ-USB® CX3 is a USB 3.0 peripheral controller that enables developers to add USB 3.0 connectivity to any image sensors compliant with Mobile Industry Processor Interface (MIPI) Camera Serial Interface Type 2 (CSI-2) standard.

The Denebola is a complete Reference Design Kit developed using EZ-USB® CX3 and has OmniVision OV5640 CMOS image sensor interfaced to it through 2-lane MIPI CSI-2 interface. This is a fully functional camera reference design kit that can stream uncompressed 720p60, 1080p30 and full 5MP@15fps. e-con Systems, a Silver level partner of Cypress Partner program, has developed this reference design kit for EZ-USB® CX3 from Cypress Semiconductors.
  • Two board solution containing baseboard based on CX3 and camera daughter board based on e-CAM52_MI5640_MOD
  • Two-lane MIPI CSI-2 interface between the CX3 and OV5640 camera image sensor
  • Optional daughter boards supporting various CMOS image sensors planned
  • RS232 level UART port for debugging and other communication
  • SPI Flash and I2C EEPROM for firmware storage. Default firmware is already loaded in the kit
  • JTAG interface for debugging the firmware
  • User Configurable GPIOs from the GPIO header
  • OmniVision OV5640 daughter board interfaced through 2-lane MIPI CSI-2 interface
  • USB bus powered. Support for external 5V supply through a switch
  • Maximum frame rates for Preview and Capture
    1. VGA – 60 fps
    2. HD (720p) – 60 fps
    3. Full HD (1080p) – 30 fps
    4. 5MP (2592x1944) – 15 fps
  • Still Image Capture
    1. 5MP (2592x1944) resolution
    2. YUV422 (16its per pixel) format
  • Preview format: YUV422 (16bits per pixel)

Denebola RDK is a two-board solution containing base board designed around Cypress CX3 USB3.0 Peripheral controller and the Camera daughter board designed using OmniVision OV5640 CMOS image sensor based Autofocus camera module. e-con also plans to support multiple camera sensor daughter boards in the future that can be used to evaluate CX3 performance and also other CMOS Image sensors.


Block Diagram of Cypress EZ-USB CX3 development kit


Based on the proven EZ-USB FX3 Platform, CX3 comes with an ARM9 CPU and 512KB SRAM that provides 200 MIPS of computational power. The CX3 supports MIPI CSI-2 version 1.01, up to 4 data lanes with data speed up to 1Gbps per lane, for a total bandwidth of 4 Gbps. CX3 is ideally suited for high-definition or high-speed image-capturing applications. CX3 supports multiple peripheral interfaces such as I2C, SPI, and UART, which can be programmed to support Pan, Tilt and Zoom or other camera control functions.

  • Supported OS - Windows XP-SP2, Windows Vista, Windows 7
  • e-CAMView - Sample DirectShow Application software
  • UVC Camera Controls:
    • Brightness
    • Contrast
    • Hue
    • Saturation
    • Sharpness
    • White balance control (Auto/Manual)
    • Exposure Control (Auto/Manual)
    • Focus (Auto/Manual)

Kit Contents:


    • Denebola CX3 RDK (with e-CAM59CX3 camera board)
    • USB 3.0 Type-A to Micro B cable
    • Quick Start Guide

The Denebola (See3CAM_CX3RDK) can be used for EZ-USB® CX3™ based product design and this can also be used by our customers to evaluate the EZ-USB® CX3. e-con Systems also provides customization services for our customers interested in USB3.0 camera solutions.

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