gl846 Genesys Logic, gl846 Datasheet - Page 27
gl846
Manufacturer Part Number
gl846
Description
High Speed Usb 2.0 2-in-1 Scanner Controller With Fast Adf
Manufacturer
Genesys Logic
Datasheet
1.GL846.pdf
(95 pages)
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Part Number
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Quantity
Price
Part Number:
GL846
Manufacturer:
GENESYS
Quantity:
20 000
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©2000-2007 Genesys Logic Inc. - All rights reserved.
Offset 05h ……………………………………………..…………..……..………. Default value = 8’h00
Offset 06h ……………………………………………..…………..……..………. Default value = 8’h00
3-2 FILTER [1:0]
1-0 FESET [1:0]
7-6 DPIHW [1:0]
5-4
SCANMOD2 SCANMOD1 SCANMOD0
7-5 SCANMOD [2:0] To set operation mode.
1-0 MTLBASE [1:0] To set output CCD pixel number under each system pixel time.
3 GMMENB
2 ENB20M
DPIHW1
R/W
R/W
MTLLAMP [1:0]
AFEMOD SCANMOD
GL846 High Speed USB2.0 2-in-1 Scanner Controller With Fast ADF
2
1
0
DPIHW0
R/W
R/W
0,1,6,7
0,1,6,7
0,1,6,7
Scan color type:
00 Color
01 R
10 G
11 B
Front end operation type:
00 Wolfson type 1
01 Wolfson type2
10 ADI type
11 Reserved
To set CCD/CIS resolution.
00 600 dpi
01 1200 dpi
10 2400 dpi
11 4800 dpi
Multiply coefficient for time-out counter of lamp.
00 1* LAMPTIM
01 2* LAMPTIM
10 4* LAMPTIM
11 Reserved
0 Disable gamma correction.
1 Enable gamma correction.
0 CCD_CK1X output clocks according to designer’s settings .
1 CCD_CK1X generate 20MHz clock to CCD or CIS sensors.
00 1 CCD pixel/sstem pixel time.
01 2 CCD pixel/sstem pixel time.
10 3 CCD pixel/sstem pixel time.
11 4 CCD pixel/sstem pixel time.
000 12 clocks/pixel ; normal mode operation for scanning.
MTLLAMP1 MTLLAMP0
R/W
R/W
Slow color
Pixel-by-pixel
Mono
Fast Mono
Description
PWRBIT
R/W
R/W
Analog Device Type
GMMENB
Available
GAIN4
CDS
Yes
Yes
Yes
R/W
R/W
OPTEST2
ENB20M
Max Sample Rate
R/W
R/W
MTLBASE1 MTLBASE0
OPTEST1
R/W
R/W
MCLK:VSMP
Rate is 3:1
MCLK:VSMP
Rate is 2:1
MCLK:VSMP
Rate is 1:1
Requirements
Timing
OPTEST0
Page 27
R/W
R/W
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