Weltrend | Products

32-bit MCUs

WT5AR168

The WT5AR168 is a high-performance MCU/DSP processor dedicated for image/video related applications. With built-in Video Accelerator Engine (VAE) and rich peripherals/interfaces such as video input I/F, scaler, lens correction, image mask, optical flow, UART, I2C, SPI, this chip is suitable for embedded systems image/video processing.

Features

- Embedded 32-bit RISC CPU core
-Operating frequency up to 192MHz

-2.41 DMIPS

-Boot from external serial flash

-DSP instruction set

-Internal 32KB DLM

-Internal 128KB ILM

-AXI to APB bridge
- Memory
-External serial flash up to 128M bits

-640KB optimized internal frame buffers
- 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 (VDEN)
- B/W stretch and histogram (YTUNE)
- Brightness & contrast adjustment (BCA)
- On screen display (OSD)
- HD to SD resolution conversion
- Frame buffer display (FB_DISP)
- Communication interfaces
-1 master/slave mode I2C interfaces up to 400 kHz

-1 master/slave SPI up to 12 MHz

-2 full-duplex UART up to 1.5 MHz

-1 CAN bus up to 1 MHz

-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 (WWDT)
- 2 PWM
- CPU clock source
-External crystal oscillator 20 MHz to 27 MHz (built-in PLL)
- Operating temperature range: -40℃ to +105℃
- Package type:
-VFBGA 112-ball (8 x 8 mm)

-LQFP-128

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