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參數資料
| 型號： | GL843 |
| 廠商： | Genesys Logic, Inc. |
| 英文描述： | High Speed USB 2.0 With ADF 2-in-1 Scanner Controller |
| 中文描述： | 高速USB 2.0同盟2合1掃描儀控制器 |
| 文件頁數： | 7/84頁 |
| 文件大?。?/td> | 837K |
| 代理商： | GL843 |
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GL843 High Speed USB2.0 With ADF 2-in-1 Scanner Controller For 3x
2000-2006 Genesys Logic Inc. - All rights reserved.
Page 7
CHAPTER 2 FEATURES
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Highly integrated scanner controller chip (2-in-1; Scanner Controller and USB 2.0 Interface)
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USB 2.0 High Speed (480Mbit) compliant
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Designed for sheetfed, flatbed and transparency scanners
Supports key-matrix with latch function
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Embedded RISC CPU for scanning, run-in and diagnostic tests
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Supports external 24Kbytes flash ROM or internal 24Kbyte mask ROM
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Firmware download to external flash ROM
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12MHz low frequency clock input for better EMI
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Flexible 3.3V/5V operating voltage for I/O pads
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Adjustable working clock of scanner controller for different usage (12M, 24M, 30M, 40M, 48M, 60MHz)
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Supports linear or stagger CCD, such as NEC, Toshiba or Sony CCD
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Available sensor types: 600, 1200, 2400, 3200, 3600 and 4800dpi color CIS or CCD
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Multi-TG control for CCD (separately controls the R/G/B exposure time)
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Shutter-control for CCD (separately controls the R/G/B exposure time)
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Supports two scanning types: pixel-by-pixel (pixel rate), line-by-line (line rate)
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Support 48-bits color, 16-bits gray and 1-bit line-art
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“
True gray
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with R, G and B weightings
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16 bits white/dark shading and 16-to-8 bits Gamma correction
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0.3us per pixel for color scanning under 40MHz working clock
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0.2us per pixel for color scanning under 60MHz working clock
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Supports LCM/LCD interface to display messages
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Supports RS232 interface for special applications
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Supports EEPROM (93C46) interface for special applications
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Supports ADF (Auto-Document-Feeder) function with document, ADF and cover sensors
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Lossless data compression
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Lines packing for stagger CCD or R/G/B line differences
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Fine CDS sampling adjustment to avoid the digital noise influence (8.33ns adjustment)
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Digital average and hardware deletion for various resolutions
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Hardware deletion for various resolutions (from 4800~1dpi with 1dpi decrement)
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Supports 1M*16, 4M*16, 8M*16, 16M*16 and 32M*16 SDRAM
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Supports 5 acceleration/deceleration motor tables for high speed motor moving and wall hitting protection
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Supports controllable bipolar motor in full, half, quarter and eighth steps moving
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Supports controllable unipolar motor in full and half steps moving
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Supports V-reference automatic control for motor driver Ics
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Build-in PWM control phase for unipolar motors
相關PDF資料 |
PDF描述 |
|---|---|
| GL850A | USB 2.0 Low-Power HUB Controller |
| GL850A-MNGXX | USB 2.0 Low-Power HUB Controller |
| GL850A-MNNXX | USB 2.0 Low-Power HUB Controller |
| GL850A-MSGXX | USB 2.0 Low-Power HUB Controller |
| GL850A-MSNXX | USB 2.0 Low-Power HUB Controller |
相關代理商/技術參數 |
參數描述 |
|---|---|
| GL848 | 制造商:GENESYS 制造商全稱:GENESYS 功能描述:High Speed USB 2.0 |
| GL850 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:USB 2.0 4-PORT HUB Controller |
| GL850A | 制造商:GENESYS 制造商全稱:GENESYS 功能描述:USB 2.0 Low-Power HUB Controller |
| GL850A-MNGXX | 制造商:GENESYS 制造商全稱:GENESYS 功能描述:USB 2.0 Low-Power HUB Controller |
| GL850A-MNNXX | 制造商:GENESYS 制造商全稱:GENESYS 功能描述:USB 2.0 Low-Power HUB Controller |
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