The V831 is a high performance and low-power IP Camera SoC for the video encoding industry that can be widely used in security monitor, SDV, driving recorder, Police BODY-WORN CAMERA, etc. The V831 integrates single-core ARM Cortex-A7 that supports frequency up to 800MHz. Integrated H.264/H.265 video encoding supports encoding of multiple streams, the performance of H.265 video encoding is up to 1080p@30fps. The V831 integrates the latest generation of ISP image processor, NPU, EISE, wide-angle distortion correction, fisheye and PTZ calibration and other image correction algorithms to achieve professional image effects. To reduce the BOM cost, a 64MB DDR2 die is embedded for the V831. The V831 adopts advanced low-power technology and low-power consumption architecture design, which significantly reduces the BOM cost. The Allwinner SDK features high stability and ease of use, supports rapid mass production.

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  • Single-core ARM Cortex TM -A7 Processor
  • ARMv7 ISA standard ARM instruction set
  • Thumb-2 Technology
  • Jazeller RCT
  • NEON Advanced SIMD
  • VFPv4 floating point
  • 32KB L1 Instruction cache and 32KB L1 Data cache
  • 128KB L2 cache
  • H.264 BP/MP/HP
  • H.265 MP
  • H.264/H.265 supports I/P frame, dual-P frame
  • JPEG baseline
  • Maximum 8-megapixel resolution for H.264/H.265 encoding
  • Real-time multiple streams H.264/H.265 encoding capability:
  • 5M@20fps + 1080p@20fps (or 1080p@60fps + VGA@60fps ) H.264
  • 5M@30fps + 720p@30fps (or 1080p@90fps) H.265
  • JPEG snapshot performance of 1080p@60fps independently
  • Supports three kinds of bit-rate control modes: constant bit rate(CBR), variable bit rate(VBR) and FIXQP
  • Output bit-rate ranging from 2kbit/s to 100Mbit/s
  • Maximum 16 regions of interest(ROIs) without encoding for AI
  • Encoding frame rate ranging from 1/16 fps to 60 fps
  • H.264 BP/MP/HP
  • H.265 MP
  • MJPEG/JPEG MP
  • Supports Electronic Image Stabilization Engine(EISE)
  • Lens distortion correction, fisheye(wall mounting/top mounting/bottom mounting) and PTZ calibration
  • Picture rotation by 90 0 , 180 0 or 270 0
  • Supports 2 Video channels, one up to 1080p@60fps, the other up to 720p@60fps
  • Supports 1 UI channel, up to 1080p@60fps
  • Blending of 2 Video channels and 1 UI channel
  • Supports SmartColor for excellent display experience
  • Maximum performance up to 0.2Tops
  • Supports Conv, Activation, Pooling, BN, LRN, FC/Inner Product
  • Supports solidified face recognition, face detection and humanoid detection network
  • Supports 1 individual image signal processor(ISP), with maximum resolution of 2688 x 2688
  • Maximum frame rate of 2592x1936@30fps
  • Adjustable 3A functions, including automatic exposure(AE), automatic white balance(AWB) and automatic focus(AF)
  • Highlight compensation, backlight compensation, gamma correction and color enhancement
  • Defect pixel correction, 2D/3D denoising
  • Sensor build-in WDR, 2F-line base WDR, local tone mapping
  • Graphics mirror and flip
  • ISP tuning tools for the PC
  • Four VIPP YUV22 or YUV420 outputs
  • Four VIPPs support 16 ORLs
  • Maximum resolution of 2688 x 2688
  • Each VIPP supports 1 to 1/256 video scaling
  • VIPP0/1 supports YUV422 to YUV420

Encryption and decryption algorithms implemented by using hardware, including AES,DES,3DES and XTS Signature and verification algorithms implemented by using hardware, including RSA512/1024/2048/3072/4096bits, ECC160/224/256/384/521bits HASH tamper proofing algorithms implemented by using hardware, including MD5/SHA/HMAC Hardware true random number generator(TRNG) and hardware pseudo random number generator(PRNG) Integrated 1Kbits efuse storage space

Input

  • One 2-lane MIPI CSI input
  • Compliant with MIPI-CSI2 V1.00 and MIPI DPHY V1.00.00
  • Maximum video capture resolution for serial interface up to 1080p@60fps

Output

  • One RGB output, up to 320 x 240@60fps
  • One BT656 video output, up to 1080p@30fps
  • Integrated audio codec, supporting 20-bit audio input and output
  • Inter-IC sound(I2S)/time division multiplex(TDM) interface for connecting to an external audio codec
  • One internal RTC
  • Four UART interfaces
  • Three SPI interfaces
  • One PWM controller(10-ch)
  • One USB2.0 OTG interface
  • One one-wire interface
  • one channel GPADC
  • two SD3.0/SDIO3.0 interfaces, supporting secure digital extended capacity(SDXC)
  • 10/100 Mbps Ethernet port with RMII interface
  • four TWI interfaces
  • 54 GPIO interfaces
  • V831 is embedded with 64MB DDR2.
  • SPI Nor Flash interface
  • 1-, 2-wire mode
  • 3 bytes or 4 bytes address mode
  • SPI Nand Flash interface
  • eMMC 5.0 interface
  • Booting from SPI NOR, SPI NAND, eMMC, SD, USB, UART, one-key FEL
  • Hardware boot select pin or eFuse booting sequence

Power consumption

  • TBD
  • Multi-level power-saving mode

Operating voltages

  • 0.9V core voltage
  • 3.3V IO voltage
  • 1.8V, 1.5V, 1.35V for DDR2/DDR3/DDR3L interface

Package

  • Restrictions on the use of certain hazardous substances(RoHS)
  • QFN, 88 pins, body size of 9 mm x 9 mm, 0.35 mm pin pitch