The GW3400 integrates GEO’s patented eWARP® core with a High Dynamic Range Image Signal Processor (ISP), Tensilica® Xtensa CPU, DDR3 interface, parallel and MIPI interfaces, providing a completely integrated camera system solution.

The GW3400’s fully programmable geometric processing engine provides the flexibility and performance to correct complex lens distortion, enable electronic Pan/Tilt/Zoom, and manipulate viewing perspective in real time with as little as 1/6th frame of latency. The eWARP® technology creates multiple detail views in a single pass resulting in a video stream with multiple virtual camera views. The eWARP® core also provides the capability to digitally align and calibrate cameras using AutoCal®.

The GW3400 integrates a HDR ISP that provides High Dynamic Range (HDR) processing, spatial noise
reduction, temporal noise reduction, and advanced 3A algorithms. The HDR technology applies different processing to each pixel of each video frame to pull out hidden detail in shadows and highlights while preserving color, local contrast, and natural appearance. The ISP supports HDR sensors that provide dynamic range of up to 96dB allowing detail in low light as well as high brightness areas of the scene simultaneously.

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GW3400 Block Diagram

Advanced Geometric Processing

  • GEO’s proprietary eWARP® processing engine
  • Highly flexible programmable warp maps for distortion correction
  • Real-time on-the-fly generation of warp maps
  • Very low latency mode (typically 1/6th of a frame)
  • AutoCAL® digital calibration for extrinsic camera alignment

Camera Features

  • Distortion correction of 180 and 360 degree wide field of view (FOV) lens
  • Zero content loss for 190 degree FOV video
  • Scene perspective orientation
  • Multiple view creation in a single pass
  • Display of split views, zoom, panorama
  • Electronic Pan/Tilt/Zoom (ePTZ)

Video/Projector Features

  • Keystone correction, zoom/shrink scaling
  • Pincushion/barrel distortion correction
  • Multi-video stitching with edge blending, precise convergence, brightness and non-uniformity correction support

Image Sensor Processor

  • High Dynamic Range ISP
  • Sensor support up to 4096 x 4096 pixels
  • HDR processing utilizing Local Tone Mapping
  • Advanced spatial and temporal noise reduction
  • Zone-based statistics for Auto White Balance, Auto Exposure, and Auto Focus
  • Non-linear two dimensional sharpening
  • Dynamic defect correction
  • Lens shading correction


  • Automotive rear view, front view, blind spot, and surround view cameras
  • IP surveillance cameras
  • Video conferencing and telepresence

Inputs/Outputs, Video Formats

  • Input Interfaces: 4-lane MIPI, Parallel
  • Output Interfaces: Parallel
  • Input Formats:
    – 8/10-bit YUV 4:2:2 over 8/10-bit or 16/20-bit interface
    – 8/10/12-bit Bayer RGB
    – 16/24/30-bit RGB
    – 24/30-bit YUV 4:4:4
  • Output Formats:
    – 8/10-bit YUV 4:2:2 over 8/10-bit or 16/20-bit interface
    – 8/10-bit Bayer RGB
    – 24/30-bit RGB
  • Pixel rates up to 200 MHz:
    – 2560 x 1600 at 30 Hz
    – 1920 x 1080 at 60 Hz
    – 1280 x 720 at 120 Hz
    – 4k x 4k at 7.5 Hz

Memory Interface

  • DDR3 SDRAM memory up to 600 MHz

System Connectivity

  • TWI Slave/ SPI Master/ SPI Slave, TWI Bus Interfaces

Power and Voltage

  • Power Supplies: 1.8 V ±5%, 1.5 V ±5%, 1.1 V ±5%
  • DDR3 SDRAM voltage: 1.5V ±5%
  • Typical power consumption:
    – 748 mW for 1080p60, ISP, DDR
    – 276 mW for 720p60, ISP, no DDR


  • 361-pin TFBGA, 12mm x 12mm x 1.1mm, 0.5mm pitch
  • RoHS/Lead-Free

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GW3400 Block Diagram