HBCBV ONSEMI安森美APTINA 1/4-Inch Color CMOS NTSC/PAL Digital Image SoC with Distortion Correction and Overlay Processor汽车车载摄像头倒车影像VGA数字图像传感器，9x9mm
Features
● Low-power CMOS Image Sensor with Integrated Image Flow Processor (IFP) and Video Encoder
● 1/4-inch Optical Format, VGA Resolution (640 (H) × 480 (V))
● ±2.5% Additional Columns and Rows to Compensate for Lens Alignment Tolerances
● Integrated Lens Distortion Correction
● Overlay Generator for Dynamic Bitmap Overlay
● Integrated Video Encoder for NTSC/PAL with Overlay Capability and 10-bit I-DAC
● Integrated Microcontroller for Flexibility
● On-chip Image Flow Processor Performs Sophisticated Processing, Such as Color Recovery and Correction, Sharpening, Gamma, Lens Shading Correction, On-the-fly Defect Correction, Auto White Balancing, and Auto Exposure
● Auto Black Level Calibration
● 10-bit, On-chip Analog-to-digital Converter (ADC)
● Internal Master Clock Generated by On-chip Phaselocked Loop (PLL)
● Two-wire Serial Programming Interface
● Interface to Low-cost Flash through SPI Bus
● High-level Host Command Interface
● Stand Alone Operation Support
● Comprehensive Tool Support for Overlay Generation and Lens Correction Setup
● Development System with DevWare
● Overlay Generation and Compilation Tools
Applications
● Automotive Rearview Camera and Side Mirror
● Blind Spot and Surround View
NEW FEATURES
Integrated Lens Distortion Correction
● Eliminates expensive DSP for image correction
● Can be calibrated for wide-angle lenses of up to 180 degree horizontal FOV (field of view)
● Distortion correction for up to 25% distortion in FOV
● Perspective correction
⊙ View from elevated angle
Integrated Video Encoder for PAL/NTSC with Overlay
Capability
● Composite analog output (NTSC/PAL)
● 8-bit parallel digital output ITU-R BT.656 format
● Raw Bayer format
● Digital input to on-chip NTSC encoder to allow additional processing functions by external DSP or FPGA
On-Chip Overlay Generator
● Static and dynamic overlay graphics with four overlay planes plus number plane
● Support for serial SPI memory up to 16 Megabytes
● Number generator
● Overlay blending and x/y positioning
● Overlay position adjustment and statistics engine to calibrate overlay
● Overlay support utilizes SPI interface to load overlay data from external Serial Flash/EEPROM to support the following features:
⊙ Overlay size 360 x 480 pixel rendered into 720 x 480 pixel display format
⊙ Up to four overlays may be blended simultaneously
⊙ Selectable readout: rotating order user selected
⊙ Dynamic scenes by loading pre-rendered frames from external memory
⊙ Palette of 32 colors out of 64,000
⊙ Eight colors per bitmap
⊙ Blend factor dynamically programmable for smooth transitions
⊙ Fast update rate of up to 30 fps
⊙ Every bitmap object has independent x/y position
⊙ Statistics engine to calibrate optical alignment
⊙ External overlay processing supports digital input to on-chip NTSC encoder; this enables external overlay processing by a DSP or FPGA
GENERAL DESCRIPTION
The ON Semiconductor HBCBV is a VGA-format, single-chip CMOS active-pixel digital image sensor for automotive applications. It captures high-quality color images at VGA resolution and outputs NTSC or PAL interlaced composite video.
The VGA CMOS image sensor features ON Semiconductor's breakthrough low-noise CMOS imaging technology that achieves near-CCD image quality (based on signal-to-noise ratio and low-light sensitivity) while maintaining the inherent size, cost, low power, and integration advantages of ON Semiconductor's advanced active pixel CMOS process technology.
The HBCBV is a complete camera-on-a-chip. It incorporates sophisticated camera functions on-chip and is programmable through a simple two-wire serial interface or by an attached SPI Flash memory that contains setup information that may be loaded automatically at startup.
The HBCBV performs sophisticated processing functions including color recovery, color correction, sharpening, programmable gamma correction, auto black reference clamping, auto exposure, 50 Hz/60 Hz flicker avoidance, lens shading correction, auto white balance (AWB), and on-the-fly defect identification and correction.
The HBCBV outputs interlaced-scan images at 30 or 25fps, supporting both NTSC and PAL video formats. The image data can be output on one or two output ports:
● Composite analog video (single-ended and differential output support)
● Parallel 8-, 10-bit digital
The integrated lens correction and overlay generation for steering guidance eliminates expensive overlay processing that is usually required by an external DSP; this significantly reduces overall costs.
HBCBV 1/4英寸彩色CMOS NTSC/PAL数字图像芯片，具有失真校正和覆盖处理器
特性
● 低功耗CMOS图像传感器与集成图像流处理器(IFP)和视频编码器
● 1/4英寸光学格式，VGA分辨率(640 (H) × 480 (V))
● ±2.5%额外的列和行，以补偿镜头对准公差
● 集成透镜畸变校正
● 覆盖生成器的动态位图覆盖
● 集成视频编码器NTSC/PAL覆盖能力和10位I-DAC
● 集成微控制器，灵活灵活
● 芯片上的图像流处理器执行复杂的处理，如颜色恢复和校正，锐化，伽马，镜头阴影校正，在线缺陷校正，自动白平衡，自动曝光
● 自动黑电平校准
● 10位片上模数转换器(ADC)
● 片上锁相环产生的内部主时钟
● 两线串行编程接口
● 通过SPI总线接口到低成本Flash
● 高级主机命令接口
● 独立操作支持
● 全面的工具支持叠加生成和镜头校正设置
● DevWare开发系统
● 覆盖生成和编译工具
应用
● 汽车后视镜和侧视镜
● 盲点和环绕视图
新功能
集成透镜畸变校正
● 消除昂贵的DSP图像校正
● 可校准180度水平视场的广角镜头
● 校正失真高达25%的视场失真
● 透视校正
⊙从高架角度观看
集成视频编码器的PAL/NTSC覆盖
能力
● 复合模拟输出(NTSC/PAL)
● 8位并行数字输出ITU-R BT.656格式
● 拜耳原始格式
● 数字输入到片上NTSC编码器，允许额外的处理功能，外部DSP或FPGA
芯片上的叠加信号发生器
● 静态和动态叠加图形，四个叠加平面加上数字平面
● 支持串行SPI内存高达16兆
● 数字生成器
● 叠加混合和x/y定位
● 覆盖位置调整和统计引擎校准覆盖
● 覆盖支持利用SPI接口从外部串行Flash/EEPROM加载覆盖数据，以支持以下特性:
⊙ 覆盖尺寸360 x 480像素渲染成720 x 480像素显示格式
⊙ 最多可以同时混合四个覆盖层
⊙ 可选择的读数:旋转命令用户选择
⊙ 动态场景通过从外部内存加载预渲染帧
⊙ 从64000种颜色中选出32种
⊙ 每位图八种颜色
⊙ 混合因子动态可编程平滑过渡
⊙ 快速的更新速度高达30帧/秒
⊙ 每个位图对象都有独立的x/y位置
⊙ 统计引擎校准光学对准
⊙ 外部叠加处理支持数字输入到片上NTSC编码器;这使得DSP或FPGA能够进行外部叠加处理
一般的描述
HBCBV是一款用于汽车应用的VGA格式、单片CMOS有源像素数字图像传感器。它捕获高质量的彩色图像VGA分辨率和输出NTSC或PAL交错复合视频。
VGA CMOS图像传感器的特性在半导体的突破低噪声CMOS成像技术,达到near-CCD图像质量(基于信噪比和低光照条件下的灵敏度),同时保持了固有的规模、成本、低功率和集成的优势在半导体先进的有源像素CMOS工艺技术。
HBCBV是一个完整的摄像头芯片。它集成了复杂的芯片上的相机功能，并通过一个简单的两线串行接口或一个附加的SPI Flash存储器可编程，其中包含设置信息，可能在启动时自动加载。
该HBCBV执行复杂的处理功能，包括颜色恢复，颜色校正，锐化，可编程伽玛校正，自动黑色参考夹，自动曝光，50/60Hz的闪烁避免，镜头阴影校正，自动白平衡(AWB)，和在线缺陷识别和校正。
HBCBV以30或25帧/秒的速度输出交错扫描图像，支持NTSC和PAL视频格式。图像数据可以在一个或两个输出端口上输出:
● 复合模拟视频(单端和差分输出支持)
● 并行8位、10位数字
集成的镜头校正和覆盖生成转向制导消除了昂贵的覆盖处理，通常需要一个外部DSP;这大大降低了总成本。
有关HBCBV的价格，datasheet，简介，电路图，原理图，框架图，文档下载，原装现货，现货库存，芯片，图片，规格书，代理商，技术支持，产品介绍，参数，方案商，分销商，经销商，官网，生产厂家，专卖店，高价收购，模组，模块，特价，库存，生产商，哪里买，性价比，用途，封装厂，晶圆厂，代工厂，可咨询本公司点击或者复制上面链接到浏览器打开，可下载datasheet PDF，Click or copy the link above to open the browser to download the datasheet PDF
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