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GL843 Datasheet(PDF) 44 Page - GENESYS LOGIC

Part # GL843
Description  High Speed USB 2.0 With ADF 2-in-1 Scanner Controller
PDF  84 Pages
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Manufacturer  GENESYS [GENESYS LOGIC]
Direct Link  http://www.genesyslogic.com
Logo GENESYS - GENESYS LOGIC

GL843 Datasheet(HTML) 44 Page - GENESYS LOGIC

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GL843 High Speed USB2.0 With ADF 2-in-1 Scanner Controller For 3x
©2000-2006 Genesys Logic Inc. - All rights reserved.
Page 44
Offset 55h ……..……..…………………..………..….………..….…..…..…..…. Default value = 8’h00
X
X
X
GLOW4
GLOW3
GLOW2
GLOW1
GLOW0
X
X
X
R/W
R/W
R/W
R/W
R/W
7-5 RESERVED
-
4-0 GLOW[4:0]
The latch point for low-byte of G channel of AFE in every pixel.
Offset 56h ……..……..…………………..………..….………..….…..…..…..…. Default value = 8’h00
X
X
X
BHI4
BHI3
BHI2
BHI1
BHI0
X
X
X
R/W
R/W
R/W
R/W
R/W
7-5 RESERVED
-
4-0 BHI[4:0]
The latch point for high-byte of B channel of AFE in every pixel.
Offset 57h ……..……..…………………..………..….………..….…..…..…..…. Default value = 8’h00
X
X
X
BLOW4
BLOW3
BLOW2
BLOW1
BLOW0
X
X
X
R/W
R/W
R/W
R/W
R/W
7-5 RESERVED
-
4-0 BLOW[4:0]
The latch point for low-byte of B channel of AFE in every pixel.
(1). Color, gray or line-art : 12 clocks (phase)/pixel mode
0
1
2
3
4
5
6
7
8
9
10
11
0
1
2
3
4
5
6
7
8
9
10
11
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]
RHI = 01H
RLOW
= 03H
GHI = 05H
GLOW
= 07H
BHI = 09H
BLOW
= 11H
Note: 16 clocks (phase)/pixel and 18 clocks(phase)/pixel modes are similar to 12
clocks(phase)/pixel mode.
Offset 58h ……..……..…………………..………..….………..….…..…..…..…. Default value = 8’h00
VSMP4
VSMP3
VSMP2
VSMP1
VSMP0
VSMPW2
VSMPW1
VSMPW0
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
7-3 VSMP[4:0]
Rising edge position of image sampling for AFE.
2-0 VSMPW[2:0]
Pulse width of image sampling.
(1). Color, gray or line-art : 12 clocks (phase)/pixel mode
5
6
7
8
9
10
11
0
1
2
3
4
5
6
7
8
9
10
11
0
1
2
3
4
AFE
VSMP
Reg58=52H : VSMP[4:0]=10H
VSMPW[2:0]=2H
Note: 16 clocks (phase)/pixel and 18 clocks(phase)/pixel modes are similar to 12
clocks(phase)/pixel mode.



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