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GL864A
產品簡述

The GL864A is a high performance USB 2.0 UVC compliant controller mainly for PC Camera and NB camera applications. GL864A provides up to 30 fps at HD 720p (1280x720) resolution. GL864A also supports USB isochronous mode to provide certain bandwidth to insure user can get smooth usage experience on video applications even running high bandwidth consumption devices concurrently. GL864 also supports bulk mode to confirm the reliability of transferred data.

 

The GL864A is compliant with USB Video Class 1.1. It works with Microsoft native inbox Windows driver which is bundled with all WinXP SP3, Vista, Windows 7 and Windows 8. Alternatively, Genesys Logic provides proprietary drivers for GL864A to enable users for better image performance and special function requirement.

 

The GL864A has a built-in MJPEG engine and hardware ISP to process RAW data from CMOS sensor to provide high resolution and high frame rate of video stream. It supports up to 30fps at 720p (1280x720) resolution.  

 

GL864A provides industry leading cost-effective OCCS (on chip clock source), which eliminates the need of an on board crystal for USB frequency. It also has a built-in 2-channel voltage regulator.


  • USB Functions
    • Compliant with USB 2.0 high-speed and full-speed
    • Complaint with USB Video Class 1.1
    • Support USB 2.0 Isochronous Video pipe up to 24MB/s
    • Support USB 2.0 Bulk Video pipe
    • Output data format can be either YUV or MJPEG
       
  • System
    • Embedded 8051 micro-controller, operate @ 15MHz or 30MHz clock
    • Built-in 3.3V to 1.2V regulator for chip core power
    • Built-in 2-channel regulator (1.2V~1.8V, 2.5V~3.0V) for sensor power
    • Built-in 2-channel regulator max current 70 mA
    • Built-in OCCS (on-chip clock source) to eliminate the need for a 12MHz crystal clock source on board
    • Support in-system firmware upgrade
    • The sensor, UVC, property control settings can be stored in either external EEPROM (24Cxxx) or SPI Flash
    • Support alternative proprietary driver to enhance image performance
    • Compliant with UVC(USB Video Class) mode, OS in-box driver okay
       
  • Sensor Interface
    • Support YUY2 and RAW (Bayer Pattern) data format from sensor
    • Support UVC uncompressed YUY2 payload
      • Video stream up to:7 fps in SXGA (1280x1024), 10 fps in HD 720p(1280x720)
    • Support UVC compressed MJPEG payload
      • Video stream up to : 30 fps in SXGA (1280x1024), 30 fps in HD 720p(1280x720)
    • Support up to 96MHz pixel clock
    • Support I2C for sensor control
    • Still image capture up to 8192 x 4096 resolution
    •  
  • MJPEG Encoder Engine
    • Support MJPEG up to resolution SXGA(1280x1024)
    • Support UVC MJPEG payload
    • Support programmable compression ratio which is a function of transport bandwidth and image quality options
       
  • Image Signal Processing (ISP) Engine
    • Support resolution up to SXGA(1280x1024)
    • The 3rd generation ISP Cezanne with line buffer width of 1280 pixels
    • Individual Len Shading Correction for R/G/B channels
    • G1/G2 balance filter
    • Programmable RGB gamma table and Y gamma block
    • Black Level Compensation for individual R/G/B channels
    • Dynamic dead pixel detection and correction
    • Edge enhancement
    • Input pattern interpolation and noise reduction
    • Configurable Color Correction Matrix for R/G/B channels
    • AWB (auto white balance) control with both White Point algorithm
    • AE (auto exposure) adjustment
    • Zoom In image from sensor, and output with various resolutions
    • YUV offset and gain

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