As a professional supplier of electronic components, Mingjiada Electronics offers a long-term supply of genuine, in-stock Allwinner Technology V821L2-WXX smart vision processors and purchases them at competitive prices. This product is a high-performance, low-power system-on-chip (SoC) designed for the smart vision sector. It features a dual RISC-V heterogeneous architecture and integrates a 4M ISP image signal processor, an H.264 hardware encoding unit, and 2.4G Wi-Fi. It is widely used in embedded vision devices such as smart cameras, low-power doorbells, smart door locks, and AI glasses.
V821L2-WXX Product Description
The V821L2-WXX is a dedicated processor launched by Allwinner Technology for smart vision applications, designed based on a dual RISC-V core architecture. The chip integrates a high-performance image signal processor (ISP) and a hardware encoding unit, supporting 4MP camera connectivity, real-time ISP processing, and H.264 video encoding. The chip features a compact QFN88 package (9mm × 9mm) and integrates modules such as Wi-Fi, LDO, IR CUT driver, and audio codec. Its highly integrated design makes it an ideal choice for battery-powered smart vision devices.
The V821 series includes multiple variants with different specifications. The V821L2-WXX is the Wi-Fi version; other variants (such as the XXX version and M2-WXX version) differ in terms of wireless connectivity and RTC functionality.
V821L2-WXX Product Features
Dual RISC-V heterogeneous design for improved fast-boot performance
Supports 4MP H.264 HD video recording and multi-camera input
Integrated low-power Wi-Fi with 180μA current consumption under DTIM10 keep-alive
Supports Serial RGB, I2C, and a rich array of SPI, UART, TWI, USB, RMII, and PWM interfaces
Supports motion detection and human detection algorithm applications
QFN88 9mm x 9mm package, a compact design that integrates high-definition imaging, intelligent recognition, and wireless connectivity
V821L2-WXX Application Scenarios
Primarily used in smart cameras, security surveillance equipment, smart home visual terminals, in-vehicle vision systems, industrial vision sensors, and other fields. For example, it can be used in home smart cameras to enable remote monitoring and human detection alarms, or in in-vehicle surround-view systems to provide video capture and processing capabilities, meeting the needs of various smart vision applications.
V821L2-WXX Specifications
CPU: RISC-V CPU, up to 1GHz
MCU: RISC-V MCU, up to 600MHz
Memory: SiP 64MB DDR
Video Encoder
H.264 - 4MP @ 20fps
JPEG - 8192×8192
Video Decoder: JPEG - 8192×8192
Camera:
MIPI CSI - 2×1 channel / 1×2 channel
Parallel CSI - 8/10/12-bit width
Display: Serial RGB/I8080 - 800×480@60fps
Interfaces
USB 2.0 DRD, SDIO, RMII
UART *4, TWI *3, SPI *3
PWM *12
GPADC
Wireless: 2.4 GHz Wi-Fi 4, DTIM10180μA@4.2V
Software System: Tina Linux, FreeRTOS
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