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92 Chapter 6: The Matrox Orion modules for 4Sight-II
CVBS1/Y1/R1
CVBS5/Y3/R2
CVBS2/C1/G1
CVBS6/C3/G2
CVBS3/Y2/B1
CVBS7/Y4/B2
To video input
connector
CVBS4/C2/Sync1
CVBS8/C4/Sync2
CVBS9/Y5
CVBS11/Y6
CVBS10/C5
CVBS12/C6
Optically-isolated trigger
LVTTL user output
Components of Matrox Orion /RGB for
4Sight-II
The following sections will detail the additional capabilities of Matrox Orion
/RGB for 4Sight-II. Please refer to the previous section for information on the
digitizing capabilities common to all versions of the Matrox Orion module for
4Sight-II.
2:1
MUX
2:1
MUX
2:1
MUX
2:1
MUX
2:1
MUX
2:1
MUX
LVTTL user input
Input channels
In addition to supporting the same three video sources as Matrox Orion /Standard
for 4Sight-II, the RGB version can switch between two RGB standard video
cameras, with square-pixel resolutions. It can also switch between any of the four
different types of cameras.
Decoder and A/D converters
In addition to converting analog video in NTSC and PAL formats, the ADV7185
video decoder also extracts synchronization signals from analog RGB video.
The analog R, G, and B signals bypass the video decoder and are digitized by three
independent, analog-to-digital (A/D) converters, one for each R, G, and B
channel.
Y, CVBS,
RGB sync
C, CVBS,
RGB sync
6:1
Y, CVBS,
MUX
RGB sync
NTSC/PAL
MUX
C, CVBS,
Video
RGB sync
Decoder
Y, CVBS
C, CVBS
R
24
RGB
/
G
Digitizer
B
2
/
2
/
Pixel Converter
8
8
/
/
VIP bus
To Matrox G450
graphics controller
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