
GL842 USB 2.0 2-in-1 Scanner Controller
Genesys Logic Inc.—All rights reserved.
Page 19
Offset 03h ……………………………………………..…………..……………. Default value = 8’h0C
LAMPDOG AVEENB
R/W
XPASEL
R/W
LAMPPWR
LAMPTIM3 LAMPTIM2 LAMPTIM1 LAMPTIM0
R/W
R/W
R/W
R/W
R/W
R/W
7 LAMPDOG
6 AVEENB
5 XPASEL
4 LAMPPWR
3-0
LAMPTIM[3:0]
Lamp on time setting (default: 4).
The unit is minute.
0 To disable lamp sleeping mode.
1 To start lamp sleeping mode(default on).
0 Select dpi deletion function
1 Select dpi average function.
0 Select flatbed lamp on.
1 Select transparency lamp on.
0 Turn off LAMP power.
1 Turn on LAMP power.
Offset 04h ……………………………………………..…………..………..…… Default value = 8’h00
LINEART
R/W
BITSET
R/W
AFEMOD1 AFEMOD0
R/W
FILTER1
R/W
FILTER0
R/W
FESET1
R/W
FESET0
R/W
R/W
7 LINEART
6 BITSET
5-4 AFEMOD[1:0]
To indicate AFE operation mode.
0 Color/Gray scan.
1 Black/White scan.
0 8 bits image data type (= byte).
1 16 bits image data type (= word).
Wolfson Type
AFEMOD SCANMOD
Description
CDS
Available
Max Sample Rate
Timing
Requirements
MCLK:VSMP
Rate is 8:1
MCLK:VSMP
Rate is 6:1
MCLK:VSMP
Rate is 3:1
2
2
Slow color
Pixel-by-pixel
Yes
5MSPS *3 channel
1
0,1,3,4,5,6 Color pixel-by-pixel
Yes
6.67MSPS *3 channel
0
0,1,4,5,6 Fast Mono
Yes
13.3MSPS *1 channel
Analog Device Type
AFEMOD SCANMOD
Description
CDS
Available
Max Sample Rate
Timing
Requirements
MCLK:VSMP
Rate is 3:1
MCLK:VSMP
Rate is 2:1
MCLK:VSMP
Rate is 1:1
2
0,1,4,5,6
Slow color
Pixel-by-pixel
Yes
1
0,1,2,3,4,5,6 Mono
Yes
0
0,1,2,3,4,5,6 Fast Mono
Yes
3-2 FILTER[1:0]
Scan color type:
00 Color
01 R
10 G
11 B
Front end operation type:
00 ESIC type 1
01 ESIC type2
10 ADI type
11 Reserved
1-0 FESET[1:0]