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GL843 Datasheet(PDF) 36 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) 36 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 36
d. 1200 dpi mode CCD:support 600,400,300,240,200,150,120,100,80 dpi.
e. 600 dpi mode CCD:support 300,200,150,120,100,75,60,50,40 dpi.
B. deletion type : 9600,4800,2400,1200 or 600dpi to 1 dpi setting decrement by
one dpi.
Note: It cannot be programmed to logic zero.
Offset 2Eh ……..……..……………………………..….………..….…..…….…. Default value = 8’h00
BWHI7
BWHI6
BWHI5
BWHI4
BWHI3
BWHI2
BWHI1
BWHI0
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
7-0 BWHI[7:0]
High level of Black & White threshold.
Offset 2Fh ……..……..……………………………..….………..….…..…….…. Default value = 8’h00
BWLOW7
BWLOW6
BWLOW5
BWLOW4
BWLOW3
BWLOW2
BWLOW1
BWLOW0
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
7-0 BWLOW[7:0]
Low level of Black & White threshold.
BWHI
BWLOW
a,b,c,g : will be classified as black pixels
d,e,f,h,i : will be classified as white pixels
Offset 30h ……..……………………………………..…………..….…..…….…. Default value = 8’h00
STRPIXEL15 STRPIXEL14 STRPIXEL13 STRPIXEL12 STRPIXEL11 STRPIXEL10
STRPIXEL9 STRPIXEL8
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
7-0 STRPIXEL[15:8] The start pixel position of horizontal line (unit : pixel count).
STRPIXEL=(TGW+2*TGSHLD)+start pixels number (count from CCD pixel 0)
Note: 1.It cannot be programmed to logic zero.
2.If the DPI9600 control bit is set to “1”,the STRPIXEL is doubled.
Offset 31h ……..……………………………………..…………..….…..…….…. Default value = 8’h00
STRPIXEL7 STRPIXEL6 STRPIXEL5 STRPIXEL4 STRPIXEL3 STRPIXEL2 STRPIXEL1 STRPIXEL0
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
7-0 STRPIXEL[7:0] The start pixel position of horizontal line (unit : pixel count).
STRPIXEL=(TGW+2*TGSHLD)+start pixels number (count from CCD pixel 0)
Note: 1.It cannot be programmed to logic zero.
2.If the DPI9600 control bit is set to “1”,the STRPIXEL is doubled.
d
h
b
c
e
f
i
hysteresis width
a
g



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