Samsung S3C2451X User Manual page 602

CAMERA INTERFACE
TIMING DIAGRAM FOR REGISTER SETTING
The first register setting for frame capture command can be occurred in anywhere of frame period. But, it is
recommend to do first setting at the VSYNC "L" state. VSYNC information can be read from status SFR. Refer to
the below figure. All command include ImgCptEn, is valid at VSYNC falling edge. Be sure that except first SFR
setting, all command should be programmed in ISR(Interrupt Service Routine). It is not allowed for target size
information to be changed during capture operation. However, image mirror or rotation, windowing, and Zoom In
settings are allowed to change in capturing operation. but, In case preview path select MSDMA input mode, all
command should be programmed after MSDMA and Preview DMA operation end.
Preliminary product information describe products that are in development,
for which full characterization data and associated errata are not yet available.
23-10
Specifications and information herein are subject to change without notice.
S3C2451X RISC MICROPROCESSOR