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GL843 Datasheet(PDF) 68 Page - GENESYS LOGIC

Part # GL843
Description  High Speed USB 2.0 With ADF 2-in-1 Scanner Controller
PDF  84 Pages
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Manufacturer  GENESYS [GENESYS LOGIC]
Direct Link  http://www.genesyslogic.com
Logo GENESYS - GENESYS LOGIC

GL843 Datasheet(HTML) 68 Page - GENESYS LOGIC

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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 68
CHAPTER 5
BLOCK DIAGRAM
5.1 USB2.0 System Block Diagram
IO Device
Motor Driver
Host
GL843
(USB2.0 Interface+Scanner
ASIC Controller)
Two-In-One Controller
CCD/CIS
12 MHz
AFE
SDRAM
Figure 5.1 - USB2.0 System Block Diagram
5.2 Function Block Diagram
Motor
Driver
Host
12 MHz
Motor
Control
ADF
Control
PLL
Motor
Moving
Table
Scanner
Flow
Control
EPP
Circuit
USB2.0
Controller
Data
Interface
Data
Packing
Black &
White
CCD/CIS
Control
CCD/CIS
Front End
(16 Bits)
A/D Data
Latch
GPIO
Control
Clk-gen
Control
Register
Read/Writ
Gamma
Correction
Line
Packing
White
Shading
DPI
Control
True
Gray
Data
Compression
Dark
Shading
Average
Control
ADF
Device
I/O Device
Shading, Image SDRAM
Figure 5.2 - Function Block Diagram



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