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PRELIMINARY
CAMERA INTERFACE
S3C6400X RISC MICROPROCESSOR
20-38
Preliminary product information describe products that are in development,
for which full characterization data and associated errata are not yet available.
Specifications and information herein are subject to change without notice.
Rot90_Pr
[13]
1 : Rotate clockwise 90
°
0 : Rotator bypass
0
O O
TargetVsize_Pr
[12:0]
Vertical pixel number of target image for preview DMA. Minimum
number is 4. (When Rot90_Pr is set, 8’s multiple but, 4’s multiple
if RGB888/666 mode & H_WIDTH > 160)
0
O O
TargetHsize_Pr and TargetVsize_Pr must not be larger than Camera SourceHsize and Camera SourceVsize.
DMA input source size don’t care. Line Buffer size for Rotation is
320 Words
per line. ( It means that max
TargetHsize is 320 pixels when RGB888/666 & Rot90_Pr=1).
O rig inal im age
0
0
0
R ot90_
P r
F lip M d
_P r[1]
F lip M d
_P r[0]
M SB
LSB
X - axis flip
0
0
1
Y - axis flip
0
1
0
180' clockw ise
0
1
1
9 0' c lo c kw ise
1
0
0
90 ' + X- axis flip
1
0
1
90' + Y - axis flip
1
1
0
9 0' + X Y - axis flip
(= 270' c lo ckw ise)
1
1
1
Figure 20-22 Preview image mirror and rotation
PREVIEW DMA CONTROL REGISTER
Register
Address
R/W
Description
Reset Value
CIPRCTRL
0x780000A0
RW
Preview DMA control related
0
CIPRCTRL
Bit
Description
Initial
State
M L
Reserved
[31:24]
0
X X
Yburst1_Pr
[23:19] Main burst length for preview Y / RGB frames
0
O O
Yburst2_Pr
[18:14] Remained burst length for preview Y / RGB frames
0
O O
Cburst1_Pr
[13:9]
Main burst length for preview Cb/Cr frames
0
O O
Cburst2_Pr
[8:4]
Remained burst length for preview Cb/Cr frames
0
O O
Reserved
[3]
0
X X