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首頁 DSP應用影像處理 > BT656
BT.656數位COMS攝影機模組

簡介︰

BT656是一個1/3"彩色COMS數位式攝影鏡頭,感測器是採用OV7620,數位界面支持8/16位元的資料格式,所有攝影機功能例如: 自動曝光、自動白平衡、伽馬校驗、自動增益,都可以透過I2C匯流排的程序進行控制。

Features

  • VGA resolution (640 x 480 pixel)

  • Digital video port supports 50Hz CCIR 656/601

  • Read out - progressive / interlace

  • Data format -YCrCb 4:2:2, GRB 4:2:2, RGB

  • I2C interface

  • Built in 10-bit 2 ch A/D converter

  • Electronic exposure / Gain / White balance control

  • Image enhancement - brightness, contrast, gamma, saturation, sharpness, window, etc
  • Internal / external synchronization scheme
  • Programmable frame rate 0.3 to 25 frames/second
  • Frame exposure / line exposure option
  • Wide dynamic range, anti blooming, zero smearing
  • Monochrome composite video signal output (60Hz only)
  • Single 5V operation
  • Low power consumption (<120mW)

Specification

  • Imager: Single chip 1/3 inch OV7620 CMOS sensor
  • Array Size: 660x480 pixels
  • Pixel size: 7.6 x 7.6 mm
  • Progressive Scanning / interlace
  • Effective image area: 4.86mm x 3.64mm
  • Electronic Exposure: 500:1
  • Gamma Correction: 128 curve settings
  • S/N Ratio: >48dB
  • Min Illumination: 2.5lux @F1.4
  • Operation Voltage: 5±0.5 Vdc
  • Operation Current:
    120mW Active
    10 mW Standby
  • Weight: 14g including lens
  • Lens: f6mm, F1.8
  • Small size : 40 x 28 mm

Applications

  • Video Conferencing
  • PC Multimedia
  • Video Phone
  • Video Mail
  • Still Image
  • Machine Vision
  • Process control

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