GL843 GENESYS [GENESYS LOGIC], GL843 Datasheet - Page 36
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GL843
Manufacturer Part Number
GL843
Description
High Speed USB 2.0 With ADF 2-in-1 Scanner Controller
Manufacturer
GENESYS [GENESYS LOGIC]
Datasheet
1.GL843.pdf
(84 pages)
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©2000-2006 Genesys Logic Inc. - All rights reserved.
Offset 2Eh ……..……..……………………………..….………..….…..…….…. Default value = 8’h00
Offset 2Fh ……..……..……………………………..….………..….…..…….…. Default value = 8’h00
Offset 30h ……..……………………………………..…………..….…..…….…. Default value = 8’h00
Offset 31h ……..……………………………………..…………..….…..…….…. Default value = 8’h00
7-0 BWHI [7:0]
7-0 BWLOW [7:0]
7-0
STRPIXEL7 STRPIXEL6 STRPIXEL5 STRPIXEL4 STRPIXEL3 STRPIXEL2 STRPIXEL1 STRPIXEL0
7-0 STRPIXEL[7:0] The start pixel position of horizontal line (unit : pixel count).
STRPIXEL15 STRPIXEL14 STRPIXEL13 STRPIXEL12 STRPIXEL11 STRPIXEL10
BWLOW7 BWLOW6 BWLOW5 BWLOW4 BWLOW3 BWLOW2 BWLOW1 BWLOW0
BWHI7
R/W
R/W
R/W
R/W
STRPIXEL[15:8
GL843 High Speed USB2.0 With ADF 2-in-1 Scanner Controller For 3x
BWHI
BWLOW
BWHI6
R/W
R/W
R/W
R/W
] The start pixel position of horizontal line (unit : pixel count).
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.
High level of Black & White threshold.
Low level of Black & White threshold.
a,b,c,g : will be classified as black pixels
d,e,f,h,i : will be classified as white pixels
STRPIXEL=(TGW+2*TGSHLD)+start pixels number (count from CCD pixel 0)
Note: 1.It cannot be programmed to logic zero.
STRPIXEL=(TGW+2*TGSHLD)+start pixels number (count from CCD pixel 0)
Note: 1.It cannot be programmed to logic zero.
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.
BWHI5
2.If the DPI9600 control bit is set to “1”,the STRPIXEL is doubled.
2.If the DPI9600 control bit is set to “1”,the STRPIXEL is doubled.
a
R/W
R/W
R/W
R/W
b
BWHI4
c
R/W
R/W
R/W
R/W
e
d
BWHI3
R/W
R/W
R/W
R/W
g
f
BWHI2
R/W
R/W
R/W
R/W
h
i
STRPIXEL9 STRPIXEL8
BWHI1
R/W
R/W
R/W
R/W
hysteresis width
BWHI0
Page 36
R/W
R/W
R/W
R/W