Weltrend Semiconductor announced the launch of WT8911 smart camera processor for Advanced Driver Assistance Systems (ADAS) application. It is a compact and low energy-consuming solution ideal to be embedded in an automotive camera module. 

The WT8911 is a high performance ADAS processor which incorporates a 32-bit RISC CPU with DSP instruction set that operates up to 200MHz and rich vision-processing-units/interfaces such as scaler, lens correction, image mask, optical flow detection, and etc. It features ADAS functions such as LDW (Lane-Departure Warning), MOD (Moving-Object Detection), BSD (Blind-Spot Detection), RCW (Rear-Collision Warning), and etc. 

With a small form factor BGA package, the WT8911 is perfect for smart camera for automotive application where the vision processor must be integrated into the camera module. It can also acts as a co-processor of WT8893S Around View Monitor (AVM) processor providing ADAS features to an AVM system. The WT8911 has been qualified to the Automotive Electronics Council (AEC) standard Q100 (Grade 2). 
Key features of Weltrend’s WT8911 ADAS processor include: 
● Embedded 32-bit RISC CPU core 
  - Support external program memory with serial flash memory via 4-wire interface 
  - DSP instruction set 
  - Internal 32KB DLM 
  - Internal 128KB ILM 
  - AXI to APB bridge 
● Memory 
  - External serial flash 
  - 10 optimized frame buffers for video data storage and CPU access 
● Down sampling scaler with flexible scaling ratio (1 - 6) 
  - Bilinear method 
● Image mask (5x5 and 1x5) with user-defined coefficients 
● Grid remap 
● Perspective 
● Optical flow 
  - Lucas-Kanade (LK) optical flow algorithm 
● Features from accelerated segment test (FAST) corner detection 
● Connected component labeling (CCL) 
● Histogram 1D/2D calculation with polygon shape (MAX2D) 
● Optimized OpenVX engine 
● Sum of absolute differences (SAD) 
● Video inputs: 
  - ITU-601 / ITU-656 / ITU-1120 YUV 
  - Video formats: 720x480, 720x576, 1280x720p, 1920x1080p (30FPS) 
● Video outputs: 
  - ITU-601 / ITU-656 / ITU-1120 YUV 
  - Video formats: 720x480, 720x576, 1280x720p, 1920x1080p (30FPS) 
  - Analog CVBS output with internal video encoder 
● Parking guideline drawing 
● B/W stretch and histogram 
● Brightness & contrast adjustment 
● On screen display 
● HD to SD resolution conversion 
● Frame buffer display 
● Communication interfaces 
  - 1 master/slave mode I2C interfaces up to 400KHz 
  - 1 master/slave SPI up to 12MHz 
  - 2 full-duplex UART up to 1.5MHz 
  - 1 CAN bus up to 1MHz 
  - Interface for ISP and ICE 
● Timer with 16-bit prescaler 
● GPIO with configurable input / output direction and pull-up / pull-down resistor 
● Window Watchdog Timer 
● 2 PWM (buzzer) 
● CPU clock source 
  - External crystal oscillator 20MHz ~ 27MHz (built-in PLL) 
● Operating temperature range: -40℃ ~ +105℃ 
● Package type: 
  - VFBGA 112-ball (8 x 8 mm) 
  - LQFP-128 
● AEC-Q100: 
  - This product has been qualified to the Automotive Electronics Council (AEC) standard Q100 (Grade 2)

More information please contact Mr. Bruce Liao at Seraphim, Tel:+886-2-6615-8281 ext. 245 or email bruceliao@seraphim.com.tw

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