gl845 Genesys Logic, gl845 Datasheet - Page 48

• Manufacturer Part Number: gl845
• Description: High Speed Usb 2.0 2-in-1 Scanner Controller With Adf
• Manufacturer: Genesys Logic

©2000-2007 Genesys Logic Inc. - All rights reserved.
Offset 58h ……..……..…………………..………..….………..….…..…..…..…. Default value = 8’h00
Offset 59h ……..……..…………………..………..….………..….…..…..…..…. Default value = 8’h00
Offset 5Ah ……..……..………………..………..….………..….…..…..…..…. Default value = 8’h00
7-3 VSMP [4:0]
2-0 VSMPW [2:0]
7-3 BSMP [4:0]
2-0 BSMPW [2:0]
ADCLKINV
AFE VSMP
AFE BSMP
7 ADCLKINV
6 RLCSEL
5
5
VSMP4
BSMP4
R/W
R/W
R/W
(1). Color, gray or line-art : 12 clocks (phase)/pixel mode
(1). Color, gray or line-art : 12 clocks (phase)/pixel mode
R[15:8] R[7:0] G[15:8] G[7:0] B[15:8] B[7:0] R[15:8] R[7:0] G[15:8] G[7:0] B[15:8]
6 7
6 7
GL845 High Speed USB2.0 2-in-1 Scanner Controller With ADF
RHI = 01H
GHI = 05H
BHI = 09H
Note: 16 clocks (phase)/pixel and 18 clocks(phase)/pixel modes are similar to 12
Reg58=52H : VSMP[4:0]=10H
Note: 16 clocks (phase)/pixel and 18 clocks(phase)/pixel modes are similar to 12
Reg59=52H : BSMP[4:0]=10H
Note: 16 clocks (phase)/pixel and 18 clocks(phase)/pixel modes are similar to 12
RLCSEL
8
8 9 10 11 0
VSMP3
BSMP3
clocks(phase)/pixel mode.
clocks(phase)/pixel mode.
clocks(phase)/pixel mode.
R/W
R/W
R/W
9 10 11 0 1 2
Rising edge position of image sampling for AFE.
Pulse width of image sampling.
Rising edge position of dark voltage sampling for AFE.
Pulse width of dark voltage sampling.
0 ADC clock in not reversed.
1 ADC clock is reversed.
0 Do not select.
1 Select reset level clamp on a pixel-by-pixel basis.
CDSREF1
RLOW
GLOW
BLOW
VSMP2
BSMP2
R/W
R/W
R/W
1 2
= 03H
= 07H
= 11H
CDSREF0
VSMP1
BSMP1
R/W
R/W
R/W
BSMPW[2:0]=2H
VSMPW[2:0]=2H
3 4
3 4
5
5
VSMP0
BSMP0
RLC3
R/W
R/W
R/W
6 7
6 7
VSMPW2
BSMPW2
8
8
RLC2
R/W
R/W
R/W
9 10 11 0 1
9 10 11 0 1
VSMPW1
BSMPW1
RLC1
R/W
R/W
R/W
VSMPW0
BSMPW0
2 3 4
2 3 4
RLC0
Page 48
R/W
R/W
R/W