Specifications

32 Chapter 5: Matrox Orion hardware reference
Matrox Orion hardware reference
This chapter provides information on the hardware
architecture of the Matrox Orion, as well as the features and
operating modes supported by the board.
The chapter is divided into three sections. The first section
describes the Matrox Orion hardware that is associated with
the acquisition of images, while the second section describes
the hardware related to the display of images. The third section
discusses the data interfaces, and how to transfer images from
on-board memory to Host memory and vice versa. For a
summary of the information given in this chapter and detailed
specifications of connectors and pinouts, refer to Appendix B.
2:1
MUX
2:1
MUX
2:1
MUX
2:1
MUX
CVBS1/Y1/R1
CVBS2/C1/G1
CVBS3/Y2/B1
CVBS4/C2/S1
CVBS5/Y3/R2
CVBS6/C3/G2
CVBS7/Y4/B2
CVBS8/C4/S2
4:1
MUX
NTSC/PAL
Video
Decoder
RGB
Digitizer
Matrox
G400
Pixel Converter
* The expanded video I/O connector is located on a separate bracket.
** The external trigger can be either TTL or opto-isolated.
*** Only present on the PCI version.
used for both inputs and outputs, and is
Expanded
video I/O
connector*
Expanded
video I/O
connector*
TTL Aux. Input
TTL Aux. Output
Ext. Trigger**
AGP or PCI bus
/
/
24
2
2
24
/
/
128
32
/
8
/
/
/
8
Frame buffer
(32 Mbytes)
NTSC/PAL
Video
Encoder
/
5
Video
input
TV
output
RorC
GorY
B or CVBS
Sync or CVBS
TTL Sync
VGA output
AGP to PCI
Bridge***