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GL843 Datasheet(PDF) 39 Page - GENESYS LOGIC

Part # GL843
Description  High Speed USB 2.0 With ADF 2-in-1 Scanner Controller
PDF  84 Pages
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Manufacturer  GENESYS [GENESYS LOGIC]
Direct Link  http://www.genesyslogic.com
Logo GENESYS - GENESYS LOGIC

GL843 Datasheet(HTML) 39 Page - GENESYS LOGIC

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GL843 High Speed USB2.0 With ADF 2-in-1 Scanner Controller For 3x
©2000-2006 Genesys Logic Inc. - All rights reserved.
Page 39
Offset 3Ch
RAMWRDATA
W
RAMWRDATA
This port is for designers to write data into SDRAM.
Offset 3Dh ……..……..…………………..………..….………..….…..…….…. Default value = 8’h00
X
X
X
X
FEEDL19
FEEDL18
FEEDL17
FEEDL16
X
X
X
X
R/W
R/W
R/W
R/W
7-4 RESERVED
-
3-0 FEEDL[19:16] Steps number of motor moving.
Note: It cannot be programmed to logic zero.
Offset 3Eh ……..……..…………………..………..….………..….…..…….…. Default value = 8’h00
FEEDL15
FEEDL14
FEEDL13
FEEDL12
FEEDL11
FEEDL10
FEEDL9
FEEDL8
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
7-0 FEEDL[15:8]
Steps number of motor moving.
Note: It cannot be programmed to logic zero.
Offset 3Fh ……..……..…………………..………..….………..….…..…….…. Default value = 8’h00
FEEDL7
FEEDL6
FEEDL5
FEEDL4
FEEDL3
FEEDL2
FEEDL1
FEEDL0
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
7-0 FEEDL[7:0]
Steps number of motor moving.
Note: It cannot be programmed to logic zero.
Offset 40h
DOCSNR
ADFSNR COVERSNR CHKVER
DOCJAM HISPDFLG MOTMFLG DATAENB
R
R
R
R
R
R
R
R
7 DOCSNR
Respond to document sensor status for ADF function.
6 ADFSNR
Respond to ADF sensor status for ADF function.
5 COVERSNR
Respond to cover sensor status for ADF function.
4 CHKVER
It is fixed to ‘1’ to indicate that the value in Reg00 is valid.
3 DOCJAM
Respond to document feeding status for ADF function.
0
No jam happened.
1
Document jammed.
2 HISPDFLG
0
Motor is not in high-speed moving.
1
Motor is in high-speed moving.
1 MOTMFLG
0
Motor is stop.
1
Motor is moving.
0 DATAENB
0
Scanner is in command mode. Designers can access other data in SDRAM
rather than image data.
1
Scanner is in scanning mode. Designers can only read the image data.



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