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DIGITAL-LOGIC AG
4.11 HiQ Video
The 69000 uses independent multimedia capture and display systems on chip. The capture system places
data in display memory (usually off screen) and the display system places the data in a window on the
screen.
The capture system can receive data from the video portin the 422 YUV format. The YUV data are served
from the VideoInputProcessor (VIP) type SAA7111A. The VIP converts the analog CVBS information,
coming from a videocamera, into the YUV digital information.
The YUV input data can also be scaled down in the 69000 bevor storage in the display memory. Capture of
input data may also be double buffered for smoothing and to prevent image tearing. To better support
MPEG2 (DVD) video decompression, the 69000 includes a line buffer to directly support the native format of
MPEG2 data of 720 pixels wide.
The capture engine also supports image mirroring and rotation for camera support. This feature is important
for applications such as video teleconferencing because it allows the image movements to appear on the
display as it actually occurs.
The display system can independently place YUV data from anywhere in the display memory into an on-
screen window which can be any size and located at any pixel boundary (YUV data is converted to RGB „on-
the-fly"). This is important for the 69000 since the video must be stored in the integrated 2MB frame buffer
and thus optimized to require very little space. Interlanced and non-interlanced data are both supported in
the capture and display system.
Display Modes Supported
The 69000 supports the modes which appear in the table below.
Resolution:
640 x 480
640 x 480
640 x 480
800 x 600
800 x 600
800 x 600
1024 x 768
1024 x 768
1280 x 1024
Multimedia Support
Color (bpp)
Refresh Rates (Hz)
8
60, 75, 85
16
60, 75, 85
24
60, 75, 85
8
60, 75, 85
16
60, 75, 85
24
60, 75, 85
8
60, 75, 85
16
60, 75, 85
8
60
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PCCP5 Manual V2.3
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