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S3C2440A RISC MICROPROCESSOR CAMERA INTERFACE
23-11
WINDOW OPTION REGISTER
Register Address R/W Description Reset Value
CIWDOFST 0x4F000004 RW Window Offset Register 0
CIWDOFST Bit Description Initial State
WinOfsEn [31]
0 = No offset
1 = Window offset enable
0
ClrOvCoFiY [30]
0 = Normal
1 = Clear the overflow indication flag of input CODEC FIFO Y
0
WinHorOfst [26:16]
Window Horizontal Offset
(the number which is the horizontal pixels except WinHorOfst * 2,
must be multiple of 8)
* WinHorOfst >= (SourceHsize-640*PreHorRatio_Pr)/2
0
ClrOvCoFiCb [15]
0 = Normal
1 = Clear the overflow indication flag of input CODEC FIFO Cb
0
ClrOvCoFiCr [14]
0 = Normal
1 = Clear the overflow indication flag of input CODEC FIFO Cr
0
ClrOvPrFiCb [13]
0 = Normal
1 = Clear the overflow indication flag of input PREVIEW FIFO Cb
0
ClrOvPrFiCr [12]
0 = Normal
1 = Clear the overflow indication flag of input PREVIEW FIFO Cr
0
WinVerOfst [10:0] Window Vertical Offset 0
Note : We recommend you to clear all the overflow bits before starting the capture operation.
zo¡
z}¡
vGp
vGpvGp
vGp
~Gj
~Gj~Gj
~Gj
aG~ov
aG~}v
{o¡
{}¡
{o¡G
dG{o¡jGG
GGG{o¡w
Figure 23-10 Window Offset Scheme