Preliminary
CAMERA INTERFACE
S3C2451X RISC MICROPROCESSOR
23-2
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.
FEATURES
— ITU-R BT 601/656 8-bit mode support
— DZI (Digital Zoom In) capability
— Programmable polarity of video sync signals
— Max. 4096 x 4096 pixels input support (non-scaling)
— Max. 2048 x 2048 pixels input support for codec scaling and 720 x 480 pixels input support for preview
scaling
— Image mirror and rotation (X-axis mirror, Y-axis mirror and 180
°
rotation)
— Preview DMA output image generation (RGB 16/24-bit format)
— Codec DMA output image generation (RGB 16/24-bit format or YCbCr 4:2:0/4:2:2 format)
— Capture frame control support in codec_path
— Scan line offset support in codec_path and preview_path
— YCbCr 4:2:2 codec image format interleave support
— MSDMA supports memory data for preview path input.
— Image
effect
EXTERNAL INTERFACE
CAMIF can support the next video standards.
— ITU-R BT 601 YCbCr 8-bit mode
— ITU-R BT 656 YCbCr 8-bit mode
SIGNAL DESCRIPTION
Table 23-1. Camera interface signal description
Name I/O
Active
Description
CAMPCLK
I
-
Pixel Clock, driven by the Camera processor
CAMVSYNC
I
H/L
Frame Sync, driven by the Camera processor
CAMHREF I
H/L
Horizontal
Sync,
driven by the Camera processor
CAMDATA [7:0]
I
-
Pixel Data driven by the Camera processor
CAMCLKOUT
O
-
Master Clock to the Camera processors
CAMRESET
O
H/L
Software Reset or Power Down for the Camera processor
CAM_FIELD_A
I
-
Interlace field (only used in interlace mode)