
GL843 High Speed USB2.0 With ADF 2-in-1 Scanner Controller For 3x
2000-2006 Genesys Logic Inc. - All rights reserved.
Page 62
Offset A3h
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. Default value = 8
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h00
TRUER7
R/W
TRUER6
R/W
TRUER5
R/W
TRUER4
R/W
TRUER3
R/W
TRUER2
R/W
TRUER1
R/W
TRUER0
R/W
7-0 TRUER[7:0]
Weighting of R channel in true gray scanning.
Offset A4h
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. Default value = 8
’
h00
TRUEG7
R/W
TRUEG6
R/W
TRUEG5
R/W
TRUEG4
R/W
TRUEG3
R/W
TRUEG2
R/W
TRUEG1
R/W
TRUEG0
R/W
7-0 TRUEG[7:0]
Weighting of G channel in true gray scanning.
Offset A5h
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…
. Default value = 8
’
h00
TRUEB7
R/W
TRUEB6
R/W
TRUEB5
R/W
TRUEB4
R/W
TRUEB3
R/W
TRUEB2
R/W
TRUEB1
R/W
TRUEB0
R/W
7-0 TRUEB[7:0]
Weighting of B channel in true gray scanning.
Offset A6h
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. Default value = 8
’
h00
GPIO24
R/W
GPIO23
R/W
GPIO22
R/W
GPIO21
R/W
GPIO20
R/W
GPIO19
R/W
GPIO18
R/W
GPIO17
R/W
7-0 GPIO[24:17]
GPIO24~17 input/output ports.
Offset A7h
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…
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…
. Default value = 8
’
h00
GPOE24
R/W
GPOE23
R/W
GPOE22
R/W
GPOE21
R/W
GPOE20
R/W
GPOE19
R/W
GPOE18
R/W
GPOE17
R/W
7-0 GPOE[24:17]
Select directions of GPIO24~17 ports. They can be set to different values
independently.
0 Set as input port.
1 Set as output port.
Offset A8h
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…
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…
. Default value = 8
’
h00
X
X
X
X
GPOE27
R/W
GPOE26
R/W
GPOE25
R/W
GPIO27
R/W
GPIO26
R/W
GPIO25
R/W
7-6 RESERVED
5-3 GPOE[27:25]
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Select directions of GPIO27~25 ports. They can be set to different values
independently.
0 Set as input port.
1 Set as output port.
GPIO27~25 input/output ports.
2-0 GPIO[27:25]