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. USB2.0 Video Class Tablet/PC Camera Controller XJ2671AJG Datasheet Document No.- 2671A doc No. Version 0.22 Revision 0.10 0.11 0.21 0.22 Date 13-06-16 13-09-03 17-02-17 17-03-13 Description Draft of XJ2671AJG Revise Pin-Out Description Revise Sensor Specification Revise Power Supply 本資料為旭錦股份(香港)有限公司專有之財產，未經書面同意不准透露、使用，亦不准複印或轉變成任何其他形式使用 The information contained herein is the exclusive property of XUJIN and shall not be distributed, reproduced or disclosed in whole or no in part without prior written permission of XUJIN. 1

. Table of Contents General Description............................................................................................................................... 3 Features..................................................................................................................................................3 2.1 System..................................................................................................................................3 2.2 USB Controller.....................................................................................................................3 2.3 Sensor Interface....................................................................................................................4 2.4 Color Processing (TBD).......................................................................................................4 2.5 Scaling Engine..................................................................................................................... 4 2.6 JPEG Encoder...................................................................................................................... 5 2.7 Video / Still Image............................................................................................................... 5 2.8 Frame rate.............................................................................................................................5 2.9 Audio (TBD)........................................................................................................................ 5 2.10 Micro Controller and USB Device Features........................................................................ 5 2.11 Pre-Defined for USB Video Class........................................................................................5 2.12 Platform Support.................................................................................................................. 6 Function Block Diagram........................................................................................................................7 Pin Assignment...................................................................................................................................... 8 4.1 XJ2671AJG - QFN46...........................................................................................................8 4.1.1 4.1.2 Pin-Out Diagram............................................................................................................8 Pin-Out Description....................................................................................................... 9 Electrical Characteristics(TBD)...........................................................................................................10 5.1 DC Operating Condition.................................................................................................... 10 5.1.1 5.1.2 5.1.3 Absolute Maximum Ratings........................................................................................ 10 Recommened Operating Conditions............................................................................10 DC Electrical Characteristics.......................................................................................10 5.2 AC Operating Condition.................................................................................................... 11 5.2.1 5.2.2 5.2.3 Parallel Sensor Interface.............................................................................................. 11 I2C Control Interface...................................................................................................13 Serial Flash Interface................................................................................................... 14 Package................................................................................................................................................ 15 6.1 6.2 Nomenclature..................................................................................................................... 15 QFN46 - XJ2671AJG.........................................................................................................16 6.2.1 6.2.2 Drawing....................................................................................................................... 16 Diamension.................................................................................................................. 16 Contact Information.............................................................................................................................17 1 2 3 4 5 6 7 本資料為旭錦股份(香港)有限公司專有之財產，未經書面同意不准透露、使用，亦不准複印或轉變成任何其他形式使用 The information contained herein is the exclusive property of XUJIN and shall not be distributed, reproduced or disclosed in whole or no in part without prior written permission of XUJIN. 2

. 1 General Description XJ2671AJG is a USB 2.0 High-Speed compatible camera controller. The advanced power design provides low power consumption whenever device is under suspend, standby or operation mode. The low thermal design makes the module operating temperature inside platform under reasonable range. The XJ2671AJG is fully compliant with USB Video Class. The supported OS includes Microsoft (Windows XP, Windows Vista, Windows 7 and Windows 8.), Mac OS, Linux Base(eg. Ubuntu. Android...etc.) XJ2671AJG support 10 bit parallel sensor interface and the resolution is up to 3MP@30fps. It's able to extend the audio capability through I2S interface The new generation image signal processor brings better visual experience. The high performance Motion-JPEG engine provides variant compression ratio to meet bandwidth requirement. With the integrated sensor interface and color processing engine, it can supports most available CMOS sensors. It is controlled by the embedded micro-controller and the statistics for 3A (AE / AWB / AF) are built-in. The flexible architecture is constituted by mask ROM, internal RAM and external serial-flash which can store the customized codes and parameters. With the highly-integrated firmware architecture and the developing kit provided by XUJIN, it’s easy for 3rd party to fulfill customized features. 2 Features 2.1 System 3.3V single power supply Extreme low power consumption  standby: < 30mA (sensor is excluded) suspend: <500uA (sensor is excluded)         Built-in Clock Synthesizer for performance and power saving Built-in PLL for internal clock generation Using external serial flash to store customized code and data(default 128KBytes) High speed serial flash controller (120MHz) with phase detection External RAM is not needed 46-pins QFN 4.5x6.5mm package   With 5 GPIO 2.2 USB Controller     USB 2.0 high-speed and full-speed compatible USB Video Class 1.1 compliant USB2.0 HS/FS auto sense and switch USB FS mode and USB disconnection are programmable 本資料為旭錦股份(香港)有限公司專有之財產，未經書面同意不准透露、使用，亦不准複印或轉變成任何其他形式使用 The information contained herein is the exclusive property of XUJIN and shall not be distributed, reproduced or disclosed in whole or no in part without prior written permission of XUJIN. 3

.     Support USB Low Power Management Sleep State (LPM-L1, bulk mode only) Support device power state - Runtime D3 of ACPI 5 endpoints: CONTROL pipe, Bulk pipe, UVC Interrupt IN and Isochronous-IN (video, 24MB/s max), UAC Isochronous-IN 6 alternate settings for Video Streaming Interface 2.3 Sensor Interface    Sensor interface is Parallel(10 bits) and able to support 3MP(2048x1536), FHD(1920X1080) 2MP(1600x1200),1.3MP(1280x1024), HD(1280x720), VGA(640x480) CMOS sensor Support both YUY2 and Bayer RAW image data format from sensor interface Support industrial standard 2-wire serial interface for sensor control 2.4 Color Processing (TBD)                    AE histogram statistics AWB window statistics AF edge window statistics On-the fly defect-pixel cancellation Lens shading compensation for R/G/B channel Low pass filter Individual digital color gain control for R/Gr/Gb/B channels Individual digital color gain control for Y/Cb/Cr channels Pixel offset (optical black) compensation for R/Gr/Gb/B channels Programmable gamma table for RGB channels Programmable color conversion matrix for R/G/B input Configurable noise reduction De-color aliasing in Edge Configurable edge enhancement Programmable gamma table for Y channel Configurable windowing function after processed image Programmable hue and saturation Auto Gamma for backlight preview Auto Frequency for MSOC 2.5 Scaling Engine    Fine scaling engine apply to both YUY2 and Bayer RAW input from sensor interface Fine scaling engine apply to both YUV and MJPG payload of UVC For 3M~VGA sensors, combined scaling and windowing functions can provide similar field of view when output format range from QXGA~QQVGA 本資料為旭錦股份(香港)有限公司專有之財產，未經書面同意不准透露、使用，亦不准複印或轉變成任何其他形式使用 The information contained herein is the exclusive property of XUJIN and shall not be distributed, reproduced or disclosed in whole or no in part without prior written permission of XUJIN. 4

.  With LPF to eliminate artifact 2.6 JPEG Encoder           Built-in JPEG encoder to support USB Video Class MJPEG payload JPEG format is YUV422 baseline Programmable 128 bytes quantization table for Y and C to adjust compression ratio Encoding engine processing power is 150MP/sec Video / Still Image Support UVC1.5 - Uncompressed YUY2 payload (YUV422, 16bits/pixel) Support UVC1.5 - Uncompressed M420 payload (YUV420, 12bits/pixel, for Lync F/G) Support UVC1.5 - MJPG payload Still image capture size is up to 3MP Support UVC still image capture method1 & method2 2.7 Frame rate 2.8 Audio (TBD)   "I2S input I/F I2S output I/F" 2.9 Micro Controller and USB Device Features       Built-in 8032 micro controller with 4K bytes data memory Maximum CPU clock rate is 60MHz Auto load extended F/W from external serial flash Auto load VID/PID, manufacturer, product and serial number string from external serial flash Auto load UVC parameter definition from external serial flash Firmware is upgradeable from PC Able to force USB at FS mode & USB disconnect   Watch dog to auto recovery  With interrupt when sensor image transferring is finished of each frame 2.10Pre-Defined for USB Video Class  Brightness control (UVC defined) 本資料為旭錦股份(香港)有限公司專有之財產，未經書面同意不准透露、使用，亦不准複印或轉變成任何其他形式使用 The information contained herein is the exclusive property of XUJIN and shall not be distributed, reproduced or disclosed in whole or no in part without prior written permission of XUJIN. 5

.         Contrast control (UVC defined) Hue control (UVC defined) Saturation control (UVC defined) Sharpness control (UVC defined) Gamma control (UVC defined) Privacy control (UVC defined) LED indicator on video streaming UVC Extension unit support 2.11Platform Support    Microsoft Windows XP 32bit SP2, Microsoft Windows XP 64bit, Microsoft Windows Vista 32bit, Microsoft Windows Vista 64bit, Microsoft Window 7 32bit, Microsoft Window 7 64bit, Microsoft Window 8 Mac - OS X 10.4.8 or later Linux with UVC driver (open source available at http://linux-uvc.berlios.de/) 本資料為旭錦股份(香港)有限公司專有之財產，未經書面同意不准透露、使用，亦不准複印或轉變成任何其他形式使用 The information contained herein is the exclusive property of XUJIN and shall not be distributed, reproduced or disclosed in whole or no in part without prior written permission of XUJIN. 6

3 Function Block Diagram . 本資料為旭錦股份(香港)有限公司專有之財產，未經書面同意不准透露、使用，亦不准複印或轉變成任何其他形式使用 The information contained herein is the exclusive property of XUJIN and shall not be distributed, reproduced or disclosed in whole or no in part without prior written permission of XUJIN. 7

4 Pin Assignment 4.1 XJ2671AJG - QFN46 4.1.1 Pin-Out Diagram . 本資料為旭錦股份(香港)有限公司專有之財產，未經書面同意不准透露、使用，亦不准複印或轉變成任何其他形式使用 The information contained herein is the exclusive property of XUJIN and shall not be distributed, reproduced or disclosed in whole or no in part without prior written permission of XUJIN. 8

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