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- Contact Person : Mr. Zhen Canmin
- Company Name : Quanzhou Licheng Xingguang New Technology Development Co., Ltd.
- Tel : 86-595-22993198
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- Address : Fujian,Quanzhou,Sanpinjie,2-59,Quanzhou ,Fujian,China
- Country/Region : China
JPEG RS-232 Camera
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JPEG RS-232 CameraJPEG Compression VGA Camera Module General Description The JPEG compression module performs as a video camera or a JPEG compressed still camera and can be attached to a wireless or PDA host. Users can send out a snapshot command from the host in order to capture a full resolution single-frame still picture. The picture is then compressed by the JPEG engine and transferred to the host. Block Diagram VGA Image Sensor DSP Compression Engine EEPROM (program) VCC TxD RxD GND Features . Low-cost, & low-powered solution for high resolution image capture . Built-in down-sampling, clamping and windowing circuits for VGA/CIF/SIF/QCIF/160x128/80x64 image resolutions . RS-232: 115.2K bps for transferring JPEG still pictures or 160x128 preview @8bpp with 0.75~6 fps . JPEG CODEC with variable quality settings for different resolutions . Built-in color conversion circuits for 4 gray/16 gray/256 gray/12-bit RGB/16-bit RGB/Pallet 256 RGB preview images System Configuration Camera Sensors The JPEG RS-232 Camera uses OmniVision VGA CameraChips with an 8-bit YCbCr interface. DSP Serial Bridge The DSP Serial Bridge is a controller chip that can transfer image data from CameraChips to external device. The DSP takes 8-bit YCbCr 422 progressive video data from an CameraChip. The camera interface synchronizes with input video data and performs down sampling, clamping and windowing functions with desired resolution, as well as color conversion that is requested by the user through serial bus host commands. The JPEG CODEC with variable quality settings can achieve higher compression ratio & better image quality for various image resolutions. Program Memory A serial type program memory is built-in for JPEG RS-232 Camera, which provides user-friendly commands to interface external control units. Pin Description Pin Description VCC Power 5VDC TxD Data Transmit RxD Data Receive GND Power Ground Lens : CL4022IR (f4.0mm F/No 2.2) with IR Cut filter
JPEG RS-232 Camera
