Andes-based 32-bit MCUs
WT5AR168
【 General Description 】 |
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 |