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PRELIMINARY
CAMERA INTERFACE
S3C6400X RISC MICROPROCESSOR
20-16
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.
MSDMA FEATURE
MSDMA supports memory data scaling. Especially two different image data is required for PIP (Picture-in-Picture)
operation. First image is saved memory by some codec(H.264 , Camera , MPEG4 etc.) Second image is saved
memory through MSDMA path. The MSDMA path has YCbCr/RGB output format through scaler/dma path. Two
images are displayed and controlled by LCD controller. If MSDMA is (reading the memory data) required to use in
preview path or codec path. SFR SEL_DMA_CAM_P(=SEL_DMA_CAM_C) signal must be set ‘1’. This input path
is called Memory Scaling DMA path. This path is not allowed windowing zoom function.
Note:
Memory image format for MSDMA input are:
1) YCbCr 4:2:0 (non-interleave)
2) YCbCr 4:2:2 (non-interleave)
3) YCbCr 4:2:2 (Interleave)
4) RGB
External
camera
Memory
MSDMA
T_PatternMux
CatchCam
Color
Space
Converter
S
c
a
l
e
r
Signal Muxing
ITU-R 601/656
MSDMA path
YCbCr 4:2:X
RGB
YCbCr 4:2:X
RGB
YCbCr 4:2:2
Figure 20-15. MSDMA or External Camera interface
SOFTWARE INTERFACE (
CAMERA INTERFACE IN S3C6400X SFR)
CAMERA INTERFACE SPECIAL FUNCTION REGISTERS
※
The last ‘L’ column means that SFR can change at vsync edge during camera capturing. (O : possible
change, X : impossible change). Also, ‘M’ column means that SFRs have relationship capturing result
during using MSDMA path. (O : relationship, X : no relationship)
CAMERA SOURCE FORMAT REGISTER
Register
Address
R/W
Description
Reset Value
CISRCFMT
0x78000000
RW
Camera Input Source Format
0