gl845 Genesys Logic, gl845 Datasheet - Page 43

• Manufacturer Part Number: gl845
• Description: High Speed Usb 2.0 2-in-1 Scanner Controller With Adf
• Manufacturer: Genesys Logic

©2000-2007 Genesys Logic Inc. - All rights reserved.
Offset 3Eh ……..……..…………………..………..….………..….…..…….…. Default value = 8’h00
Offset 3Fh ……..……..…………………..………..….………..….…..…….…. Default value = 8’h00
Offset 40h
Offset 41h
7-0 FEEDL [15:8]
7-0 FEEDL [7:0]
FEEDL15
DOCSNR
7 DOCSNR
6 ADFSNR
5 COVERSNR
4 CHKVER
3 DOCJAM
2 HISPDFLG
1 MOTMFLG
0 DATAENB
7 PWRBIT
6 BUFEMPTY
5 FEEDFSH
4 SCANFSH
3 HOMESNR
PWRBIT BUFEMPTY FEEDFSH SCANFSH HOMESNR LAMPSTS
FEEDL7
R/W
R/W
R
R
GL845 High Speed USB2.0 2-in-1 Scanner Controller With ADF
FEEDL14
ADFSNR COVERSNR CHKVER
FEEDL6
R/W
R/W
R
R
Steps number of motor moving.
Note: It cannot be programmed to logic zero.
Steps number of motor moving.
Note: It cannot be programmed to logic zero.
Respond to document sensor status for ADF function.
Respond to ADF sensor status for ADF function.
Respond to cover sensor status for ADF function.
It is fixed to ‘1’ to indicate that the value in Reg00 is valid.
Respond to document feeding status for ADF function.
0 No jam happened.
1 Document jammed.
0 Motor is not in high-speed moving.
1 Motor is in high-speed moving.
0 Motor is stop.
1 Motor is moving.
0 Scanner is in command mode. Designers can access other data in SDRAM
1 Scanner is in scanning mode. Designers can only read the image data.
To indicate power status. If it is reset, the power had been turned off.
Power on initial process will set PWRBIT to 0. This bit will have the same value
as bit 4 of Reg06 except for it’s read only.
0 The image buffer is not empty.
1 The image buffer is empty.
0 Motor feeding is not finished.
1 Motor feeding is finished.
0 Scanning is not finished.
1 Scanning is finished.
0 Home sensor is on (is not located in home position).
rather than image data.
FEEDL13
FEEDL5
R/W
R/W
R
R
FEEDL12
FEEDL4
R/W
R/W
R
R
FEEDL11
DOCJAM HISPDFLG MOTMFLG DATAENB
FEEDL3
R/W
R/W
R
R
FEEDL10
FEEDL2
R/W
R/W
R
R
FEBUSY
FEEDL9
FEEDL1
R/W
R/W
R
R
MOTORENB
FEEDL8
FEEDL0
Page 43
R/W
R/W
R
R