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GL848 Datasheet(PDF) 55 Page - GENESYS LOGIC

Part # GL848
Description  High Speed USB 2.0
PDF  85 Pages
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Manufacturer  GENESYS [GENESYS LOGIC]
Direct Link  http://www.genesyslogic.com
Logo GENESYS - GENESYS LOGIC

GL848 Datasheet(HTML) 55 Page - GENESYS LOGIC

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GL848 High Speed USB2.0 2-in-1 Scanner Controller With Fast ADF
©2000-2007 Genesys Logic Inc. - All rights reserved.
Page 55
Offset 8Fh ……..……..………………....………..…………..….………..…..…. Default value = 8’h00
X
X
X
X
RREFED19 RREFED18 RREFED17 RREFED16
X
X
X
X
R/W
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7-4 RESERVED
-
3-0 RREFED [19:16]
Pre-feed steps for ADF (or sheetfed scanner).
Offset 90h ……..……..………………....………..…………..….………..…..…. Default value = 8’h00
RREFED15 RREFED14 RREFED13 RREFED12 RREFED11 RREFED10 RREFED9
RREFED8
R/W
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7-0 RREFED [15:8] Pre-feed steps for ADF (or sheetfed scanner).
Offset 91h ……..……..………………....………..…………..….………..…..…. Default value = 8’h00
RREFED7
RREFED6
RREFED5
RREFED4
RREFED3
RREFED2
RREFED1
RREFED0
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7-0 RREFED [7:0] Pre-feed steps for ADF (or sheetfed scanner).
Document
Sensor
ADF
Sensor
Document Sheet
Scanning Window
PREFED
Note:
If the DPI9600 control bit is set to “1”, the STRPIXEL is doubled.
Offset 92h ……..……..………………....………..…………..….………..…..…. Default value = 8’h00
PSTFED15 PSTFED14 PSTFED13 PSTFED12 PSTFED11 PSTFED10
PSTFED9
PSTFED8
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
7-0 PSTFED [15:8] Past scanning steps for ADF (or sheetfed scanner).
Offset 93h ……..……..………………....………..…………..….………..…..…. Default value = 8’h00
PSTFED7
PSTFED6
PSTFED5
PSTFED4
PSTFED3
PSTFED2
PSTFED1
PSTFED0
R/W
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R/W
R/W
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7-0 PSTFED [7:0]
Past scanning steps for ADF (or sheetfed scanner).



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