MT9S311: 5Mp双摄像头ISP带防抖及JPEG功能详解

需积分: 9 62 浏览量更新于2024-07-27 收藏 10.01MB PDF 举报

MT9S311是一款由Aptina Technology公司生产的高性能5百万像素（5Mp）双摄像头图像信号处理器（ISP）。这款产品旨在提供卓越的图像质量和处理性能，适用于需要高质量影像处理的移动设备和相机应用。该数据手册描述的产品特性包括： 1. 双摄像头支持：MT9S311能够同时处理两个镜头的数据，允许用户在不同焦距或角度下获取清晰图像，增强了成像灵活性。 2. 高分辨率：最高支持5百万像素分辨率，确保拍摄的照片细节丰富，适合于对画质有较高要求的应用，如数码相机、智能手机和无人机等。 3. 抗抖动（Anti-shake）功能：内置的防抖动控制技术能有效减少因手部晃动造成的运动模糊，提升动态影像的稳定性。 4. 实时JPEG编码：具备内置的实时JPEG编码器，可以实时压缩图像并生成嵌入式缩略图，便于快速预览和存储。 5. 多种接口：支持并行数据输出，可连接到各种系统，同时提供串行移动行业处理器接口（MIPI）数据输出以及符合CCP2标准的低电压差分信号（sub-LVDS），兼容性良好。 6. 可扩展性：允许外部自动聚焦和光学变焦功能，这意味着用户可以根据设备设计进行灵活的硬件配置。 7. 文档更新：Aptina保留了更改产品或规格的权利，因此在使用时需参考最新的产品数据手册，可以从Aptina Imaging的官方网站www.aptina.com获取最新版本的MT9S311产品数据。 8. 版权声明：所有内容受2007年Micron Technology公司的版权保护，未经许可不得复制或用于商业用途。 MT9S311是专为现代移动设备设计的一款高性能ISP，它的多功能性和适应性使其成为各类影像处理应用的理想选择，无论是专业摄影还是日常手机拍照，都能提供卓越的影像体验。但请注意，使用前务必确认产品的最新规格，以确保最佳性能和兼容性。

PDF: 09005aef82cfa750/Source: 09005aef82cfa7a3 Aptina Imaging reserves the right to change products or specifications without notice.

MT9S311_DS - Rev. B 5/08 EN

MT9S311: 5Mp Dual-Camera ISP with Anti-shake and JPEG

System Description

Aptina Confidential and Proprietary Advance

‡

System Description

System Overview

The MT9S311 implements color processing, JPEG compression with support for

embedded thumbnails, and image overlay. A programmable PLL enables the MT9S311

to generate multiple clocks from a single input clock.

Image and color processing in the MT9S311 is implemented as an image flow processor

(IFP) coded in hardware logic. During normal operation, the embedded microcontroller

will automatically adjust the operation parameters. The IFP is shown as part of the

system in Figure 3 on page 17.

PDF: 09005aef82cfa750/Source: 09005aef82cfa7a3 Aptina Imaging reserves the right to change products or specifications without notice.

MT9S311_DS - Rev. B 5/08 EN

MT9S311: 5Mp Dual-Camera ISP with Anti-shake and JPEG

System Description

Aptina Confidential and Proprietary Advance

‡

PLL

PLL-Generated Master Clock

The PLL can generate a pixel clock signal whose frequency is up to 96 MHz, using an

EXTCLK input of 6 through 54 MHz. The PLL must be enabled for EXTCLK input below

8MHz.

PLL Setup

Because the input clock frequency is unknown, the processor starts up with the PLL

disabled. The PLL takes time to power up, and during this time the behavior of its output

clock signal is not guaranteed.

Sensor Output Clocks

The PLL can generate separate clocks to output to each of the two sensors. These clocks

can serve as the master clocks to the sensors.

Input Data Formats

The MT9S311 image processor accepts input data in 8-, 10- and 12-bit Bayer format as

shown in Figure 4 on page 19.

Input data can arrive by SMIA CCP2, MIPI CSI-2 or the parallel interface. The MIPI port

for the primary camera implements dual lanes to support higher data rates. The

MT9S311 can decompress 12- and 10-bit DPCM/PCM compressed data arriving on the

SMIA port.

YCbCr data arriving on the secondary camera interface will be converted to RGB before

being input to the color pipeline.

Parallel Data Timing

The parallel data input is synchronized with the pixel clock input. The pixel clock signal

can be asynchronous with the sensor master clock generated by the PLL. Input data can

be sampled on either the rising or falling edge of the pixel clock. By default, the pixel

clock signal runs at the same frequency as the master clock, and its rising edges occur

one-half of a master clock period after transitions on LINE_VALID (LV),

FRAME_VALID (FV), and D

OUT (see Figure 4 on page 19). This allows the pixel clock to

be used as a clock to sample the data. The pixel clock must be continuously enabled,

even during the blanking period.

PIXCLK_IN_0 serves as the input pixel clock for the primary camera. In the case of two

cameras sharing the parallel interface, the secondary camera can connect its clock to

either PIXCLK_IN_1 or PIXCLK_IN_0. In the former case, PIXCLK_IN_1 will be used to

sample input data from the secondary camera, while PIXCLK_IN_0 will be used to

sample input data from the primary camera. In the latter case, PIXCLK_IN_0 will be used

to sample data from both cameras.

剩余340页未读，继续阅读

courageone

粉丝: 0
资源: 1

MT9S311: 5Mp双摄像头ISP带防抖及JPEG功能详解

MT9S311：500万像素双摄像头ISP，支持防抖和JPEG编码

飞思卡尔MC9S12XS256微控制器datasheet详览

飞思卡尔MC9S12XS256RMV1芯片datasheet详解与应用

MC9S12C datasheet

mt9s311_flayer

MC9S12E128 datasheet

MC9S12P128 datasheet

Freescale MC9S12XE DataSheet

MC9S12XD512 DATASHEET

MC9S12XF512 datasheet

最新资源