gl845 Genesys Logic, gl845 Datasheet - Page 65

• 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 A4h ……..……..………………....………..…………..….………..…..…. Default value = 8’h00
Offset A5h ……..……..………………....………..…………..….………..…..…. Default value = 8’h00
Offset A6h ……..……..………………....………..…………..….………..…..…. Default value = 8’h00
Offset A7h ……..……..………………....………..…………..….………..…..…. Default value = 8’h00
Offset A8h ……..……..………………....………..…………..….………..…..…. Default value = 8’h00
Offset A9h ……..……..………………....………..…………..….………..…..…. Default value = 8’h00
7-0 TRUEG [7:0]
7-0 TRUEB [7:0]
7-0 GPIO [24:17]
7-0 GPOE [24:17]
7
6
5-3 GPOE [27:25]
2-0 GPIO [27:25]
7-0 GPO [35:28]
TRUEG7
TRUEB7
GPOE24
GPIO24
GPO35
R/W
R/W
R/W
R/W
R/W
RESERVED
GPO36
X
X
GL845 High Speed USB2.0 2-in-1 Scanner Controller With ADF
TRUEG6
TRUEB6
GPOE23
GPIO23
GPO36
GPO34
R/W
R/W
R/W
R/W
R/W
R/W
Weighting of G channel in true gray scanning.
Weighting of B channel in true gray scanning.
GPIO24~17 input/output ports.
Select directions of GPIO24~17 ports. They can be set to different values
0 Set as input port.
1 Set as output port.
-
General output port.
Select directions of GPIO27~25 ports. They can be set to different values
0 Set as input port.
1 Set as output port.
GPIO27~25 input/output ports.
GPO35~28 output ports.
independently.
independently.
TRUEG5
TRUEB5
GPOE22
GPOE27
GPIO22
GPO33
R/W
R/W
R/W
R/W
R/W
R/W
TRUEG4
TRUEB4
GPOE21
GPOE26
GPIO21
GPO32
R/W
R/W
R/W
R/W
R/W
R/W
TRUEG3
TRUEB3
GPOE20
GPOE25
GPIO20
GPO31
R/W
R/W
R/W
R/W
R/W
R/W
TRUEG2
TRUEB2
GPOE19
GPIO19
GPIO27
GPO30
R/W
R/W
R/W
R/W
R/W
R/W
TRUEG1
TRUEB1
GPOE18
GPIO18
GPIO26
GPO29
R/W
R/W
R/W
R/W
R/W
R/W
TRUEG0
TRUEB0
GPOE17
GPIO17
GPIO25
GPO28
Page 65
R/W
R/W
R/W
R/W
R/W
R/W