GL843 GENESYS [GENESYS LOGIC], GL843 Datasheet - Page 39

• Manufacturer Part Number: GL843
• Description: High Speed USB 2.0 With ADF 2-in-1 Scanner Controller
• Manufacturer: GENESYS [GENESYS LOGIC]

©2000-2006 Genesys Logic Inc. - All rights reserved.
Offset 3Ch
Offset 3Dh ……..……..…………………..………..….………..….…..…….…. Default value = 8’h00
Offset 3Eh ……..……..…………………..………..….………..….…..…….…. Default value = 8’h00
Offset 3Fh ……..……..…………………..………..….………..….…..…….…. Default value = 8’h00
Offset 40h
7-4 RESERVED
3-0 FEEDL[19:16] Steps number of motor moving.
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
FEEDL7
R/W
R/W
RAMWRDATA
X
X
R
GL843 High Speed USB2.0 With ADF 2-in-1 Scanner Controller For 3x
FEEDL14
ADFSNR COVERSNR CHKVER
FEEDL6
R/W
R/W
X
X
R
This port is for designers to write data into SDRAM.
-
Note: It cannot be programmed to logic zero.
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.
rather than image data.
FEEDL13
FEEDL5
R/W
R/W
X
X
R
FEEDL12
FEEDL4
R/W
R/W
RAMWRDATA
X
X
R
W
FEEDL19
FEEDL11
DOCJAM HISPDFLG MOTMFLG DATAENB
FEEDL3
R/W
R/W
R/W
R
FEEDL18
FEEDL10
FEEDL2
R/W
R/W
R/W
R
FEEDL17
FEEDL9
FEEDL1
R/W
R/W
R/W
R
FEEDL16
FEEDL8
FEEDL0
Page 39
R/W
R/W
R/W
R