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V831

2K高清智能视觉IPC处理器

产品

芯片框图

V831

基本规格

Processor Core

?  Single-core Cortex-A7@ 800 MHz
?  Supports NEON acceleration and integrates an FPU

Graphics Processing

?  Supports Lens distortion correction for fisheye (wall mounting/top mounting/bottom mounting) and PTZ calibration
?  Supports 90°, 180°, and 270° picture rotation
?  1/256 to 32x picture scaling
?  Supports Electronic Image Stabilization Engine (EISE

Video Encoding Performance

?  H.264 BP/MP/HP, H.265 Main Profile encoding
?  MJPEG/JPEG baseline encoding 
?  Real-time multi-stream H.264/H.265 encoding capability:
- 1920x1080@30fps+D1@30fps encoding
- 2304x1296@20fps encoding
?  Supports JPEG encoding
?  Rate control modes: CBR and VBR 
?  Encoding of 16 ROIs
?  On-screen display (OSD) overlay pre-processing for 64 regions

Intelligent Video Analysis

?  Integrated neural network accelerator engine, maximum 0.2Tops process performance
?  Supports various intelligent analysis applications such as human detection, face detection, and face recognition

Video Input

?  One video input channel, supports a 2-lane MIPI CSI2 interface
?  The maximum input width is 2688

Video Output

?  Supports 3 layers (2 video layers, 1 UI layer) overlay, video and UI layer up to 320*240
?  One 8-bit serial RGB display output with the resolution up to 320*240
?  One BT.656 video output

ISP

?  Supports 3A functions (AE, AWB, and AF) with the 3A parameters adjustable 
?  Supports 2F WDR and Local Tone mapping, supporting highlight suppression and backlight compensation
?  Supports bad pixel correction, Lens shading correction
?  Supports multi-level noise reduction (spatial-domain noise reduction and time-domain multi-frame noise reduction), motion smear elimination, and color noise elimination
?  Supports color adjustment and color enhancement
?  Supports image dynamic contrast enhancement and sharpness enhancement
?  Supports 4 channels of scaling output from 1/256x to 1x
?  Supports image mirroring and flipping 
?  Provides ISP tuning tools for the PC

Audio Interface

?  Integrated audio CODEC, supporting 20-bit audio inputs and outputs
?  Mono MIC/Line-in input and mono Line-out output
?  I2S interface for connecting to an external audio CODEC

Audio Encoding/Decoding

?  Voice encoding/decoding complying with multiple protocols using software 
?  Compliance with the G.711, G.726, and ADPCM protocols 
?  Audio 3A functions (AEC, ANR, and ALC) 

Peripheral Interfaces

?  External reset input 
?  Internal RTC
?  Integrated single channel ADC 
?  UART, TWI, PWM, and GPIO interfaces
?  Two SD3.0/SDIO3.0 interfaces, supporting SDXC
?  One USB2.0 OTG
?  RGMII/RMII supports 10/100 Mbit/s at full/half-duplex mode, and 1000Mbit/s at full-duplex mode

External Memory Interfaces

?  SDRAM interface
    - Integrated 64 MB DDR2 with a maximum frequency of 528 MHz
?  SPI NOR flash interface 
    -  Supports both 1-wire and 2-wire mode
    -  Maximum capacity of 32 MB 
?  SPI NAND flash interface, maximum capacity of 512 MB
?  eMMC 5.0 interface

Physical Specifications

?  Power consumption
    - Typical 2M30 encoding, power consumption: 750 mW
?  Operating voltage 
    - 0.9 V core voltage
    - 3.3 V IO voltage with the tolerance voltage up to 3.8 V
?  Package 
    - 9mm x 19mm, QFN 88 pins, RoHS

Security Engine

?  AES, DES, and 3DES encryption and decryption algorithms
?  RSA1024/2048/4096 signature verification algorithm 
?  Hash-SHA1/256 and HMAC_SHA1/256 tamper-proofing 
?  Integrated 1 Kbit OTP storage space and hardware random number generator

Boot

?  Supports booting from SPI NOR flash, SPI NAND flash, and eMMC 
?  Supports programming firmware by SD Card and USB device

SDK

?  Linux-4.9 SDK

方案亮点

精简算力组合:Cortex A7 800MHz+0.2T NPU
精简算力组合:Cortex A7 800MHz+0.2T NPU
专用图像/编码器:ISP支持2F WDR,H264/H265编码性能最高可达3M
专用图像/编码器:ISP支持2F WDR,H264/H265编码性能最高可达3M
精简功能封装:SIP 64MB DDR2,QFN88 9*9封装,支持RGB 8bit 输出
精简功能封装:SIP 64MB DDR2,QFN88 9*9封装,支持RGB 8bit 输出
高性价比、低功耗
高性价比、低功耗

典型机型

V831

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