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WT8892
The WT8892 is a highly-integrated video processor SoC dedicated for ADAS applications. The chip includes CVBS input from 4 channel video decoders, 4 individual contrast/brightness adjustment function, input image position adjustment function to correct the camera assembling error, video image processing, fisheye correction, perspective adjustment, combine front/rear/left/right four images to top view with adjustable image size and boundary fusion processing, output video contrast/ brightness/ sharpness adjustment, OSD, video encoder, output interface with one analog NTSC/PAL CVBS or digital CCIR 656/601 output, serial flash memory for OSD, external 256Mb DDR for video buffer, and SPI/I2C interfaces. Most AVM chips are DSP-based solution, but this chip is hardwired ASIC which provides cost-effective solution with low-power consumption compared to its counterparts in the market.
Features
- Video Digital Input Interface (from 4 channel video decoders)
- Input Video Contrast/Brightness Adjustment
- 4 individual manual contrast and brightness adjustment
- Input Image Position Adjustment
- Video Display and Image Processing
- Fish eye angle correction
- Perspective adjustment
- Combine 4 images to top view
- Output video zoom in/out and position adjustment (Width/Height & X,Y)
- Frame Rate Conversion
- Output Video Contrast/Brightness/Sharpness Adjustment
- OSD
- Support multi overlap layers display
- Background/ICON
- Support JPG file format
- Character (Distance display)
- Static/Dynamic parking guidance lines
- Visualization UPA
- Overlap layer priority
- Output Interface
- 1 analog NTSC/PAL CVBS
- 1 digital CCIR 656 or 601 output
- Electrical Characteristics
- Operating Temperature: -40 ºC ~ +105 ºC
- Storage Temperature: -50 ºC ~ +125 ºC
- Video Digital Input Interface (from 4 channel video decoders)
