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參數(shù)資料
| 型號： | STV0676 |
| 廠商： | 意法半導體 |
| 英文描述： | CMOS Digital Camera Co-processor |
| 中文描述： | CMOS數(shù)字相機協(xié)處理器 |
| 文件頁數(shù)： | 5/21頁 |
| 文件大?。?/td> | 153K |
| 代理商： | STV0676 |
5/21
STV0676
Overview
1
Overview
1.1
STV0676 co-processor general description
The STV0676 is a digital video processor requiring no external RAM and a minimum of passive
support components to provide a complete USB camera. STV0676 accepts raw digital video data
from a ST VGA or CIF format CMOS sensor and is capable of transferring the resulting JPEG data
to a host PC over USB at rates up to 30 frames per second VGA.
The internal STV0676 architecture consists of a number of separate functional blocks:
G
Video processor (VP)
G
Video compressor (VC)
G
USB control block
G
General purpose controller
The VP controls the sensor and processes the raw RGB pixel data into YCbCr images.
This YCbCr data is compressed by the VC.
The USB control block transfers the compressed data to the host PC.
1.2
Video processor (VP)
1.2.1
Sensor interface
The VP interfaces directly to the image sensor. The sensor interface comprises:
G
5-wire data bus SDATA[4:0] for receiving both video data and embedded timing references,
G
2-wire serial control interface (SSDA, SSCL),
G
sensor clock SCLK
G
reset circuitry
G
sensor suspend control
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| STV0680 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:DUAL-MODE DIGITAL CAMERA CHIPSET |
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| STV0680B-001 | 制造商:STMicroelectronics 功能描述:DUAL-MODE DIGITAL CAMERA CHIPSET - Bulk |
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