مدونة الشركة حول Supply and Recycling of ALLWINNER V821L2-WXX Smart Vision Processor

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