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參數(shù)資料
| 型號(hào)： | VP7610CGFPIR |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | COLOUR DIGITAL VIDEO CAMERA DECODER IC |
| 中文描述： | 彩色數(shù)字?jǐn)z像機(jī)解碼器IC |
| 文件頁數(shù)： | 2/14頁 |
| 文件大?。?/td> | 248K |
| 代理商： | VP7610CGFPIR |
VP7610
COLOUR DIGITAL VIDEO CAMERA DECODER IC
The VP7610 iCamHost Processor chip can decode
the signals from a variety of iVision compatible digital video
cameras (such as Silicon Vision’s iCam) and process them
for use in a host computer system. Digital cameras can offer
real cost and performance gains in applications which require
a digital video input, and iVision technology realises both
these benefits. In a typical analog camera the digitised
output from the CCD imager is normally encoded into an
analog composite video signal which then has to be re-
digitised at the input to the host system. By employing the
iVision approach the output from the camera is maintained as
a digital signal, but in a format which allows for a low cost 9-
wire connection to the host. Eliminating the unnecessary
conversion to an analog signal and back again not only saves
cost, but also avoids any possible degradation of image
quality. Other benefits include direct control of the camera
from the host and the ability to power the camera from the
host system so saving the cost of a separate power supply.
The VP7610 supports two software selectable CamPort
interface ports, either of which can receive the digital video
from an iVision compatible digital video camera. The
output is a standard colour digital video signal, similar to
standard composite analog-digital decoder chips such as the
Philips SAA7110 and SAA7111. All iCamHost operating
modes are controlled by the host PC via an I
2
C interface.
Hardware I/O controls include output enable and I
2
C address
offset.
NOTE: iCam
TM
, CamPort and iCamHost are
trademarks of Silicon Vision, Inc., Fremont, CA.
DS4585 - 1.6
AUGUST 1996
FEATURES
I
Accommodates different camera configurations based on
a variety of CCD imager resolutions
I
Requires only a small, low-cost 9 pin mini-DIN to connect
to camera
I
Receives the image signal from the camera in digital form
at a frame rate determined by the host
I
Decodes all necessary synchronization and clock signals
from the digital data stream
I
Programmable gamma correction curve in RGB
colourspace
I
Programmable colour-separation matrix
I
Collects image status data within user-defined rectangular
gated zone of CCD sensor
I
Programmable horizontal and vertical aperture correction
I
Pin-strap selectable output format in 16 bit YUV 4:2:2 or 8
bit CCIR 656 YUV 4:2:2
I
Test pattern generator for SMPTE colourbars
I
Bypass mode to output unprocessed 8 bit CCD pixel
samples in the luminance channel
I
Dual iCamPort camera input ports, software selectable
I
Completely iVision Compatible
Fig.1 Functional Block Diagram
PORT A
5
2
6
I2C
U V
RGB
C
M
Y
G
CC IR6 01
or
CC IR6 56
768 X 8 X 2
Y
Y
PORT B
5
1 6
or
8
U V
C& FILTERING
& LUMINANCE
METRICS
FOUTPUT
SERIAL BUS
MATRIX
CONVERTER
SEPIXEL
CRAM
DELAY
FIFO RAM
RDEMUX
COGAMMA
CONVERSION
APERTURE
OUTPUT
FIELD &
ADDRESS
SYNC
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相關(guān)代理商/技術(shù)參數(shù) |
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|---|---|
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