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Camera reference designs with EZ-USB™ CX3 and Eyenix ISP - KBA234065

Chelladurai
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Version: *A

A reference design kit based on Infineon’s EZ-USB™ CX3 USB 3.0 camera controller and EN801/EN805 image signal processor (ISP) from the Eyenix website. This camera kit uses an IMX307 image sensor from Sony with a manual focus lens.

Figure 1. Kit block diagram -KBA234065.PNG

  Figure 1. Kit block diagram

Eyenix ISP has a 4-lane MIPI-CSI2 RX interface for connecting image sensors and a 4-lane MIPI CSI-2 TX interface for connecting to EZ-USB™ CX3.

Infineon EZ-USB™ CX3 enables USB 3.0 connectivity to EN801/EN805 using a MIPI-CSI2 interface with data speed up to 1 Gbps per lane.

Figure2 KIt photo.PNG

 Figure 2. Kit photo

 

Key features of the kit:

  • Bandwidth: 4x CSI-2 lanes, 1 Gbps per lane
  • Color formats supported: YUV422 8-bit
  • USB camera protocol: UVC
  • Supported resolutions:
    • 720p @30/50fps
    • 1080p @25/30fps
    • 1080p @50/60fps
    • 1440p @25/30fps (supported by EN805 + IMX335)

Eyenix EN801/EN805 ISP has the following features:

  • RGB interpolation
  • WDR
  • Digital noise reduction
  • Adaptive contrast enhance (ACE)
  • Histogram equalizer for defog
  • Lens shading compensation
  • Down and up scaler
  • Defect pixel correction
  • Hue controller
  • High light masking
  • Auto exposure, Auto white balance, Auto focus
  • Edge enhancement
  • Gamma correction
  • On-screen display (OSD)
  • Adaptive lighting control

The kit also supports control through an on-screen display (OSD) menu. This menu can be navigated using the Python-based camera control tool as shown in Figure 3. The tool controls the ISP menu via USB CDC class through a PC.

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  Figure 3. Menu control tool

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Figure 4. On-screen display (OSD) menu

See the Eyenix website for more information on this camera control software and applications including surveillance cameras, webcams, document scanners, and machine vision systems.

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