gl845 Genesys Logic, gl845 Datasheet - Page 82
gl845
Manufacturer Part Number
gl845
Description
High Speed Usb 2.0 2-in-1 Scanner Controller With Adf
Manufacturer
Genesys Logic
Datasheet
1.GL845.pdf
(97 pages)
- Current page: 82 of 97
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CHAPTER 5 BLOCK DIAGRAM
5.1 USB2.0 System Block Diagram
5.2 Function Block Diagram
©2000-2007 Genesys Logic Inc. - All rights reserved.
12 MHz
Device
Driver
Motor
ADF
Host
Controller
USB2.0
GL845 High Speed USB2.0 2-in-1 Scanner Controller With ADF
Control
Control
Motor
ADF
PLL
Host
Figure 5.1 - USB2.0 System Block Diagram
AHB
Clk-gen
Bus
Figure 5.2 - Function Block Diagram
12 MHz
GL845
USB2.0 two-in-one scanner
controller
Read/Writ
Interface
Register
Scanner
Moving
Control
Control
SDRAM
Motor
Table
Flow
Data
I/O Device
Correction
Packing
Packing
Gamma
Control
AFE
GPIO
Data
Line
Compression
Data
Shading, Image SDRAM
Black &
Shading
Control
White
White
Gray
True
DPI
Motor Driver
IO Device
CCD/CIS
CCD/CIS
A/D Data
Average
Shading
Control
Control
Latch
Dark
Front End
CCD/CIS
(16 Bits)
Page 82
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