标清视频采集方案(EM2860)
一）应用场景
适用于DVD播放机，CVBS摄像头，S-Video摄像头等应用。
二）产品说明
EM2860采集目前有两种架构，一种是Video与Audio(EM2860)分离式，一种是高整合度方案(EM2828X)，可支持支持PAL,NTSC视频信号源，YUV无损采集，驱动支持WIN,Linux, MAC，用于工业视频分析，安防类产品图像分析，医疗内窥镜，配合直播推流软件OBS。
三）产品规格
四）Function Introduction
Flexible Video Input Port
8-bit video input port
Support up to 1.3 M pixel CMOS sensor in Bayer RGB format Interlace and non-interlace video
CCIR-601 4:2:2 YUV with external sync and field ID CCIR-656 YUV with embedded sync and field ID
Programmable Video Timing Generator
Generate clock, H-sync and V-sync for CMOS sensor
Bayer RGB Color Processor
Black clamping
Gamma correction
Bayer pattern filtering
Gain and offset adjustment in RGB space
9-window image statistics collection for auto exposure and auto white balance Defect pixel compensation
YUV Color Processor
Gain and offset adjustment in YUV space Sharpness enhancement
Video Scaler
Random-ratio down scaling in X and Y directions High fidelity color reproduction by the scaler
VBI Capture
Raw VBI capture Sliced VBI capture
Audio Interface
Support AC97 CODEC
Support I2S device
Software direct access to AC97 CODEC registers
Support audio sample rates of 48K, 44.1K, 32K, 16K, and 8K. Support USB Audio Class control and streaming
Remote Controller Infrared Sensor Interface
Support NEC and RC5 remote control protocols
USB Port
Integrated USB 2.0 PHY with High-Speed and Full-Speed Transceivers Second generation USB 2.0 PHY with reduced power
USB 2.0 and 1.1 compliant
Support Iso-chronous audio pipe up to 0.2 MB/sec
Support Iso-chronous video pipe up to 30 MB/sec
Support Iso-chronous transport stream pipe up to 3 MB/sec
EEPROM Interface
Support 256, 512, 1024 or 2048-byte 2-wire serial EEPROM
Use EEPROM to store chip configurations and USB descriptors Customized Vendor ID and Product ID
Customized Vendor String, Product String, and Serial Number String Software may use EEPROM to store board configurations
Software may use EEPROM to store defect pixel coordinates
Miscellaneous
2-wire serial bus to program front-end video/audio devices Power-down control to front-end video/audio devices
8 general-purposed I/O ports
Snap shot button input
LED control output
0.22 micron, 2.5V Core, 3.3V I/O CMOS process 64-pin LQFP package