GL843 GENESYS [GENESYS LOGIC], GL843 Datasheet - Page 23

• 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 05h ……………………………………………..…………..……..………. Default value = 8’h00
Offset 06h ……………………………………………..…………..……..………. Default value = 8’h00
1-0 FESET[1:0]
7-6 DPIHW [1:0]
5-4
1-0 MTLBASE [1:0] To set output CCD pixel number under each system pixel time.
SCANMOD2 SCANMOD1 SCANMOD0
7-5 SCANMOD[2:0] To set operation mode.
3 GMMENB
2 ENB20M
DPIHW1
R/W
R/W
MTLLAMP[1:0]
GL843 High Speed USB2.0 With ADF 2-in-1 Scanner Controller For 3x
DPIHW0
R/W
R/W
01 R
10 G
11 B
Front end operation type:
00 ESIC type 1
01 ESIC 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.
001 12 clocks/pixel ; bypass mode operation for calibration.
010 Reserved
011 Reserved
100 Reserved
101 Reserved
110 18 clocks/pixel.
MTLLAMP1 MTLLAMP0
Color scanning : 24 bits image with gamma correction
Gray scanning : 8 bits image with gamma correction
Line art scanning : 1 bit image with gamma correction
Include color(pixel rate) , gray line-art.
Color scanning : 24 bits image with gamma correction
Gray scanning : 8 bits image with gamma correction
R/W
R/W
PWRBIT
R/W
R/W
16 bits image without gamma correction
16 bits image without gamma correction
48 bits image without gamma correction
GMMENB
GAIN4
R/W
R/W
OPTEST2
ENB20M
R/W
R/W
MTLBASE1 MTLBASE0
OPTEST1
R/W
R/W
OPTEST0
Page 23
R/W
R/W