gl848 Genesys Logic, gl848 Datasheet - Page 41

• Manufacturer Part Number: gl848
• Description: High Speed Usb 2.0 2-in-1 Scanner Controller With Fast Adf & Bus Power
• Manufacturer: Genesys Logic

©2000-2007 Genesys Logic Inc. - All rights reserved.
Offset 51h ……..……..…………………..………..….………..….…..…..…..…. Default value = 8’h00
Offset 52h ……..……..…………………..………..….………..….…..…..…..…. Default value = 8’h00
Offset 53h ……..……..…………………..………..….………..….…..…..…..…. Default value = 8’h00
Offset 54h ……..……..…………………..………..….………..….…..…..…..…. Default value = 8’h00
Offset 55h ……..……..…………………..………..….………..….…..…..…..…. Default value = 8’h00
7-6 RESERVED
5-0 FERDA [5:0]
7-6 RESERVED
5-0 FEWRA [5:0]
7-5 RESERVED
4-0 RHI [4:0]
7-5 RESERVED
4-0 RLOW [4:0]
7-5 RESERVED
4-0 GHI [4:0]
7-5 RESERVED
X
X
X
X
X
X
X
X
X
X
GL848 High Speed USB2.0 2-in-1 Scanner Controller With Fast ADF
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Address of control register of front-end in read operation.
Before reading control register of front-end (Reg 46, 47), designers have to
specify address of the control register by writing address to this port.
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Address of control register of front-end in write operation.
Before writing control register of front-end (Reg 3A, 3B), designers have to
specify address of the control register by writing address to this port.
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The latch point for high-byte of R channel of AFE in every pixel.
For example, if a system is designed to have 12 clocks/pixel, and designer wants
to latch the high-byte of R channel at 1’st clock in every pixel, designer has to fill
‘00001’ to RHI [4:0].
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The latch point for low-byte of R channel of AFE in every pixel
For example, if a system is designed to have 12 clocks/pixel, and designer wants
to latch the high-byte of R channel at 1’st clock in every pixel, designer has to fill
‘00001’ to RHI [4:0].
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The latch point for high-byte of G channel of AFE in every pixel.
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FEWRA5
R/W
X
X
X
X
X
X
X
X
FEWRA4
GLOW4
RLOW4
RHI4
GHI4
R/W
R/W
R/W
R/W
R/W
FEWRA3
RLOW3
GLOW3
RHI3
GHI3
R/W
R/W
R/W
R/W
R/W
FEWRA2
GLOW2
RLOW2
RHI2
GHI2
R/W
R/W
R/W
R/W
R/W
FEWRA1
GLOW1
RLOW1
RHI1
GHI1
R/W
R/W
R/W
R/W
R/W
FEWRA0
RLOW0
GLOW0
GHI0
RHI0
Page 41
R/W
R/W
R/W
R/W
R/W