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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)： | 6/21頁 |
| 文件大小： | 153K |
| 代理商： | STV0676 |
Overview
STV0676
6/21
Revision C
1.2.2
Video processor functions
STV0676 provides a master clock SCLK to the camera module. Each 10-bit pixel value generated
by the sensor is transmitted across the 5 wire databus SDATA[4:0] as a pair of sequential 5-bit
nibbles, most significant nibble first. Codes representing the start and end frames and the start and
end of lines are embedded within the video data stream to allow the video processor to synchronise
with the video data stream.
The video processing engine performs the following functions on incoming data:
G
full colour restoration at each pixel site from Bayer-patterned input data,
G
matrixing/gain on each colour channel for colour purity,
G
peaking for image clarity,
G
gamma correction,
G
colour space conversion from raw RGB to YCbCr[4:2:2].
The 2-wire sensor serial interface (SSDA and SSCL) provides control of sensor configuration.
Note:
the MSBit SDATA5 of the databus is unused in the current application but it will support future
sensors where a 12bit ADC architecture may be used.
Figure 1: Block diagram of STV0676 video processor module
Video Compression (VC) Engine
Video Processor
Stream
Digiport
D+
D-
Clocks
+ PLL
12MHz
XTAL
8052 Core
ROM
GPIO/mode
select
10
STV0676
RAM
Compressed Data
Control +
FIFOs
Ext.
Interrupts
CIF/VGA
Sensor
10
I
2
C Interface
USB core /glue
logic and
command FIFO’s
General purpose
housekeeper functions
including AEC, AGC and
AWB
SDA
SCL
RESET
SDATA[4:0]
SSCL
SSDA
RESET_N
SCLK
SUSPEND
USB port
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| STV0680B-001 | 制造商:STMicroelectronics 功能描述:DUAL-MODE DIGITAL CAMERA CHIPSET - Bulk |
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