gl848 Genesys Logic, gl848 Datasheet - Page 55

• Manufacturer Part Number: gl848
• Description: High Speed Usb 2.0 2-in-1 Scanner Controller With Fast Adf & Bus Power
• Manufacturer: Genesys Logic

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